Refactored decoder responsibilities

- improved comment handling
- yaml decoder now responsible for leading content work around

.dockerignore

@@ -1 +1 @@
-bin
+bin/*

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: mikefarah

.github/ISSUE_TEMPLATE/bug_report_v3.md

@@ -0,0 +1,51 @@
+---
+name: Bug report - V3
+about: Create a report to help us improve
+title: ''
+labels: bug, v3
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+Note that any how to questions should be posted in the discussion board and not raised as an issue.
+
+Version of yq: 3.X.X
+Operating system: mac/linux/windows/....
+Installed via: docker/binary release/homebrew/snap/...
+
+**Input Yaml**
+Concise yaml document(s) (as simple as possible to show the bug, please keep it to 10 lines or less)
+data1.yml:
+```yaml
+this: should really work
+```
+
+data2.yml:
+```yaml
+but: it strangely didn't
+```
+
+**Command**
+The command you ran:
+```
+yq merge data1.yml data2.yml
+```
+
+**Actual behavior**
+
+```yaml
+cat: meow
+```
+
+**Expected behavior**
+
+```yaml
+this: should really work
+but: it strangely didn't
+```
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/bug_report_v4.md

@@ -0,0 +1,51 @@
+---
+name: Bug report - V4
+about: Create a report to help us improve
+title: ''
+labels: bug, v4
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+Note that any how to questions should be posted in the discussion board and not raised as an issue.
+
+Version of yq: 4.X.X
+Operating system: mac/linux/windows/....
+Installed via: docker/binary release/homebrew/snap/...
+
+**Input Yaml**
+Concise yaml document(s) (as simple as possible to show the bug, please keep it to 10 lines or less)
+data1.yml:
+```yaml
+this: should really work
+```
+
+data2.yml:
+```yaml
+but: it strangely didn't
+```
+
+**Command**
+The command you ran:
+```
+yq eval-all 'select(fileIndex==0) | .a.b.c' data1.yml data2.yml
+```
+
+**Actual behavior**
+
+```yaml
+cat: meow
+```
+
+**Expected behavior**
+
+```yaml
+this: should really work
+but: it strangely didn't
+```
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,42 @@
+---
+name: Feature request - V4
+about: Suggest an idea for this project
+title: ''
+labels: enhancement, v4
+assignees: ''
+
+---
+
+**Please describe your feature request.**
+A clear and concise description of what the request is and what it would solve. 
+Eg. I wish I could use yq to [...]
+
+Note:
+- how to questions should be posted in the discussion board and not raised as an issue.
+- V3 will no longer have any enhancements.
+
+**Describe the solution you'd like**
+If we have data1.yml like:
+(please keep to around 10 lines )
+
+```yaml
+country: Australia
+```
+
+And we run a command:
+
+```bash
+yq 'predictWeatherOf(.country)'
+```
+
+it could output
+
+```yaml
+temp: 32
+```
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/dependabot.yml

@@ -0,0 +1,22 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: docker
+    directory: /
+    schedule:
+      day: thursday
+      interval: weekly
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      day: thursday
+      interval: weekly
+  - package-ecosystem: gomod
+    directory: /
+    schedule:
+      day: thursday
+      interval: weekly

.github/workflows/codeql.yml

@@ -0,0 +1,70 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master ]
+  schedule:
+    - cron: '24 3 * * 1'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'go' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
+        # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v2
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v2
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v2

.github/workflows/docker-release.yml

@@ -0,0 +1,82 @@
+name: Release Docker
+
+on:
+  release:
+    types: [released]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  publishDocker:
+    environment: dockerhub
+    env:
+      IMAGE_NAME: mikefarah/yq
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+        with:
+          platforms: all
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v2
+        with:
+          version: latest
+
+      - name: Available platforms
+        run: echo ${{ steps.buildx.outputs.platforms }} && docker version
+
+      - name: Build and push image
+        run: |
+          echo "GithubRef: ${GITHUB_REF}"
+          VERSION=${GITHUB_REF##*/}
+          echo "VERSION: ${VERSION}"
+          IMAGE_VERSION=${VERSION:1}
+          echo "IMAGE_VERSION: ${IMAGE_VERSION}"
+
+          PLATFORMS="linux/amd64,linux/ppc64le,linux/arm64"
+
+          echo "Building and pushing version ${IMAGE_VERSION} of image ${IMAGE_NAME}"
+          echo '${{ secrets.DOCKER_PASSWORD }}' | docker login -u '${{ secrets.DOCKER_USERNAME }}' --password-stdin
+          docker buildx build \
+            --label "org.opencontainers.image.authors=https://github.com/mikefarah/yq/graphs/contributors" \
+            --label "org.opencontainers.image.created=$(date --rfc-3339=seconds)" \
+            --label "org.opencontainers.image.description=yq is a portable command-line YAML processor" \
+            --label "org.opencontainers.image.documentation=https://mikefarah.gitbook.io/yq/" \
+            --label "org.opencontainers.image.licenses=MIT" \
+            --label "org.opencontainers.image.revision=$(git rev-parse HEAD)" \
+            --label "org.opencontainers.image.source=https://github.com/mikefarah/yq" \
+            --label "org.opencontainers.image.title=yq" \
+            --label "org.opencontainers.image.url=https://mikefarah.gitbook.io/yq/" \
+            --label "org.opencontainers.image.version=${IMAGE_VERSION}" \
+            --platform "${PLATFORMS}" \
+            --pull \
+            --push \
+            -t "${IMAGE_NAME}:${IMAGE_VERSION}" \
+            -t "${IMAGE_NAME}:4" \
+            -t "${IMAGE_NAME}:latest" \
+            .
+          
+          cd github-action
+          docker buildx build \
+            --label "org.opencontainers.image.authors=https://github.com/mikefarah/yq/graphs/contributors" \
+            --label "org.opencontainers.image.created=$(date --rfc-3339=seconds)" \
+            --label "org.opencontainers.image.description=yq is a portable command-line YAML processor" \
+            --label "org.opencontainers.image.documentation=https://mikefarah.gitbook.io/yq/" \
+            --label "org.opencontainers.image.licenses=MIT" \
+            --label "org.opencontainers.image.revision=$(git rev-parse HEAD)" \
+            --label "org.opencontainers.image.source=https://github.com/mikefarah/yq" \
+            --label "org.opencontainers.image.title=yq" \
+            --label "org.opencontainers.image.url=https://mikefarah.gitbook.io/yq/" \
+            --label "org.opencontainers.image.version=${IMAGE_VERSION}" \
+            --platform "${PLATFORMS}" \
+            --pull \
+            --push \
+            -t "${IMAGE_NAME}:${IMAGE_VERSION}-githubaction" \
+            -t "${IMAGE_NAME}:4-githubaction" \
+            -t "${IMAGE_NAME}:latest-githubaction" \
+            .

.github/workflows/go.yml

@@ -0,0 +1,35 @@
+name: Build
+on: [push, pull_request]
+permissions:
+  contents: read
+
+jobs:
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up Go 1.19
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.19
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v3
+
+    - name: Get dependencies
+      run: |
+        go get -v -t -d ./...
+        if [ -f Gopkg.toml ]; then
+            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+            dep ensure
+        fi
+
+    - name: Check the build
+      shell: bash -l {0}
+      run: |
+        export PATH=${PATH}:`go env GOPATH`/bin
+        scripts/devtools.sh
+        make local build

.github/workflows/release.yml

@@ -0,0 +1,54 @@
+name: Release YQ
+on:
+  push:
+    tags:
+      - 'v*'
+      - 'draft-*'
+
+jobs:
+  publishGitRelease:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: '^1.19'
+          check-latest: true
+      - name: Compile man page markup
+        id: gen-man-page-md
+        run: |
+          ./scripts/generate-man-page-md.sh
+          echo "::set-output name=man-page-md::man.md"
+
+      - name: Get the version
+        id: get_version
+        run: echo ::set-output name=VERSION::${GITHUB_REF##*/}
+
+      - name: Generate man page
+        uses: docker://pandoc/core:2.14.2
+        id: gen-man-page
+        with:
+          args: >-
+            --standalone
+            --to man
+            --variable=title:"YQ"
+            --variable=section:"1"
+            --variable=header:"yq (https://github.com/mikefarah/yq/) version ${{ steps.get_version.outputs.VERSION }}"
+            --variable=author:"Mike Farah"
+            --output=yq.1
+            ${{ steps.gen-man-page-md.outputs.man-page-md }}
+
+      - name: Cross compile
+        run: |
+          sudo apt-get install rhash -y
+          go install github.com/mitchellh/gox@v1.0.1
+          mkdir -p build
+          cp yq.1 build/yq.1
+          ./scripts/xcompile.sh
+
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: build/*
+          draft: true
+          fail_on_unmatched_files: true

.github/workflows/test-yq.yml

@@ -0,0 +1,28 @@
+name: Test Yq Action
+on: 
+  push:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Get test
+        id: get_value
+        uses: mikefarah/yq@master
+        with:
+          cmd: yq '.test' examples/multiline-text.yaml
+      - name: Multiline test
+        run: echo "### It was [${{ steps.get_value.outputs.result }}]" >> $GITHUB_STEP_SUMMARY
+      - name: Write inplace test
+        id: lookupSdkVersion
+        uses: mikefarah/yq@master
+        with:
+          cmd: yq -i '.b.c = 5' examples/sample.yaml

.gitignore

@@ -23,6 +23,7 @@ _cgo_export.*
 
 _testmain.go
 coverage.out
+coverage.html
 *.exe
 *.test
 *.prof
@@ -37,3 +38,27 @@ parts/
 prime/
 .snapcraft/
 yq*.snap
+
+test.yml
+test*.yml
+test*.yaml
+0.yml
+1.yml
+2.yml
+
+
+# man page
+man.md
+yq.1
+
+# debian pkg
+_build
+debian/files
+
+# intellij
+/.idea
+
+# vscode
+.vscode
+
+yq3

.golangci.yml

@@ -0,0 +1,40 @@
+run:
+  timeout: 5m
+linters:
+  enable:
+    - asciicheck
+    - depguard
+    - errorlint
+    - gci
+    - gochecknoinits
+    - gofmt
+    - goimports
+    - gosec
+    - megacheck
+    - misspell
+    - nakedret
+    - nolintlint
+    - predeclared
+    - revive
+    - unconvert
+    - unparam
+linters-settings:
+  depguard:
+    list-type: blacklist
+    include-go-root: true
+    packages:
+      - io/ioutil
+    packages-with-error-message:
+      - io/ioutil: "The 'io/ioutil' package is deprecated. Use corresponding 'os' or 'io' functions instead."
+issues:
+  exclude-rules:
+  - linters:
+    - gosec
+    text:  "Implicit memory aliasing in for loop."
+    path: _test\.go
+  - linters:
+    - revive
+    text: "unexported-return"
+  - linters:
+    - revive
+    text: "var-naming"

.travis.yml

@@ -1,6 +0,0 @@
-language: go
-go:
-  - 1.13.x
-script:
-  - scripts/devtools.sh
-  - make local build

CODE_OF_CONDUCT.md

@@ -0,0 +1,76 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+ advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+ address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+ professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at mikefarah@gmail.com. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

CONTRIBUTING.md

@@ -0,0 +1,40 @@
+# Development
+
+1. Install (golang)[https://golang.org/]
+1. Run  `scripts/devtools.sh` to install the required devtools
+2. Run `make [local] vendor` to install the vendor dependencies
+2. Run `make [local] test` to ensure you can run the existing tests
+3. Write unit tests - (see existing examples). Changes will not be accepted without corresponding unit tests.
+4. Make the code changes.
+5. `make [local] test` to lint code and run tests
+6. Profit! ok no profit, but raise a PR and get kudos :)
+
+
+# Documentation
+
+The documentation is a bit of a mixed bag (sorry in advanced, I do plan on simplifying it...) - with some parts automatically generated and stiched together and some statically defined.
+
+Documentation is written in markdown, and is published in the 'gitbook' branch.
+
+The various operator documentation (e.g. 'strings') are generated from the 'master' branch, and have a statically defined header (e.g. `pkg/yqlib/doc/operators/headers/add.md`) and the bulk of the docs are generated from the unit tests e.g. `pkg/yqlib/operator_add_test.go`.
+
+The pipeline will run the tests and automatically concatenate the files together, and put them under 
+`pkg/qylib/doc/add.md`. These files are checked in the master branch (and are copied to the gitbook branch as part of the release process).
+
+## How to contribute
+
+The first step is to find if what you want is automatically generated or not - start by looking in the master branch. 
+
+### Updating dynamic documentation from master
+- Search for the documentation you want to update. If you find matches in a `*_test.go` file - update that, as that will automatically update the matching `*.md` file 
+- Assuming you are updating a `*_test.go` file, once updated, run the test to regenerated the docs. E.g. for the 'Add' test generated docs, from the pkg/yqlib folder run:
+`go test -run TestAddOperatorScenarios` which will run that test defined in the `operator_add_test.go` file.
+- Ensure the tests still pass, and check the generated documentation have your update.
+- Note: If the documentation is only in a `headers/*.md` file, then just update that directly
+- Raise a PR to merge the changes into master!
+
+### Updating static documentation from the gitbook branch
+If you haven't found what you want to update in the master branch, then check the gitbook branch directly as there are a few pages in there that are not in master.
+
+- Update the `*.md` files
+- Raise a PR to merge the changes into gitbook.

Dockerfile

@@ -1,23 +1,28 @@
-FROM golang:1.13 as builder
+FROM golang:1.19.2 as builder
 
 WORKDIR /go/src/mikefarah/yq
 
-# cache devtools
-COPY ./scripts/devtools.sh /go/src/mikefarah/yq/scripts/devtools.sh
-RUN ./scripts/devtools.sh
+COPY . .
 
-COPY . /go/src/mikefarah/yq
-
-RUN CGO_ENABLED=0 make local build
+RUN CGO_ENABLED=0 go build .
+# RUN ./scripts/test.sh -- this too often times out in the github pipeline.
+RUN ./scripts/acceptance.sh
 
 # Choose alpine as a base image to make this useful for CI, as many
 # CI tools expect an interactive shell inside the container
-FROM alpine:3.8 as production
+FROM alpine:3 as production
+LABEL maintainer="Mike Farah <mikefarah@users.noreply.github.com>"
 
 COPY --from=builder /go/src/mikefarah/yq/yq /usr/bin/yq
-RUN chmod +x /usr/bin/yq
-
-ARG VERSION=none
-LABEL version=${VERSION}
 
 WORKDIR /workdir
+
+RUN set -eux; \
+  addgroup -g 1000 yq; \
+  adduser -u 1000 -G yq -s /bin/sh -h /home/yq -D yq
+
+RUN chown -R yq:yq /workdir
+
+USER yq
+
+ENTRYPOINT ["/usr/bin/yq"]

Dockerfile.dev

@@ -1,30 +1,10 @@
-FROM golang:1.13
+FROM golang:1.19.2
 
 COPY scripts/devtools.sh /opt/devtools.sh
 
 RUN set -e -x \
     && /opt/devtools.sh
-
-# install mkdocs
-RUN set -ex \
-    && buildDeps=' \
-        build-essential \
-        python-dev \
-    ' \
-    && apt-get update && apt-get install -y --no-install-recommends \
-        $buildDeps \
-        python2.7 \
-        python-setuptools \
-        python-wheel \
-        python-pip \
-    && pip install --upgrade \
-        pip \
-        'Markdown>=2.6.9' \
-        'mkdocs>=0.16.3' \
-        'mkdocs-material>=1.10.1' \
-        'markdown-include>=0.5.1' \
-    && apt-get purge -y --auto-remove $buildDeps \
-    && rm -rf /var/lib/apt/lists/*
+ENV PATH=/go/bin:$PATH
 
 ENV CGO_ENABLED 0
 ENV GOPATH /go:/yq

LICENSE

@@ -1,3 +1,5 @@
+The MIT License (MIT)
+
 Copyright (c) 2017 Mike Farah
 
 Permission is hereby granted, free of charge, to any person obtaining a copy

Makefile

@@ -2,6 +2,7 @@ MAKEFLAGS += --warn-undefined-variables
 SHELL := /bin/bash
 .SHELLFLAGS := -o pipefail -euc
 .DEFAULT_GOAL := install
+ENGINE := $(shell { command -v podman || command -v docker; } 2>/dev/null)
 
 include Makefile.variables
 
@@ -17,6 +18,7 @@ help:
 	@echo '    make vendor          Install dependencies to vendor directory.'
 	@echo '    make format          Run code formatter.'
 	@echo '    make check           Run static code analysis (lint).'
+	@echo '    make secure          Run gosec.'
 	@echo '    make test            Run tests on project.'
 	@echo '    make cover           Run tests and capture code coverage metrics on project.'
 	@echo '    make clean           Clean the directory tree of produced artifacts.'
@@ -32,7 +34,7 @@ clean:
 
 ## prefix before other make targets to run in your local dev environment
 local: | quiet
-	@$(eval DOCKRUN= )
+	@$(eval ENGINERUN= )
 	@mkdir -p tmp
 	@touch tmp/dev_image_id
 quiet: # this is silly but shuts up 'Nothing to be done for `local`'
@@ -41,9 +43,9 @@ quiet: # this is silly but shuts up 'Nothing to be done for `local`'
 prepare: tmp/dev_image_id
 tmp/dev_image_id: Dockerfile.dev scripts/devtools.sh
 	@mkdir -p tmp
-	@docker rmi -f ${DEV_IMAGE} > /dev/null 2>&1 || true
-	@docker build -t ${DEV_IMAGE} -f Dockerfile.dev .
-	@docker inspect -f "{{ .ID }}" ${DEV_IMAGE} > tmp/dev_image_id
+	@${ENGINE} rmi -f ${DEV_IMAGE} > /dev/null 2>&1 || true
+	@${ENGINE} build -t ${DEV_IMAGE} -f Dockerfile.dev .
+	@${ENGINE} inspect -f "{{ .ID }}" ${DEV_IMAGE} > tmp/dev_image_id
 
 # ----------------------------------------------
 # build
@@ -53,58 +55,61 @@ build: build/dev
 .PHONY: build/dev
 build/dev: test *.go
 	@mkdir -p bin/
-	${DOCKRUN} go build --ldflags "$(LDFLAGS)"
-	${DOCKRUN} bash ./scripts/acceptance.sh
+	${ENGINERUN} go build --ldflags "$(LDFLAGS)"
+	${ENGINERUN} bash ./scripts/acceptance.sh
 
 ## Compile the project for multiple OS and Architectures.
 xcompile: check
 	@rm -rf build/
 	@mkdir -p build
-	${DOCKRUN} bash ./scripts/xcompile.sh
+	${ENGINERUN} bash ./scripts/xcompile.sh
 	@find build -type d -exec chmod 755 {} \; || :
 	@find build -type f -exec chmod 755 {} \; || :
 
 .PHONY: install
 install: build
-	${DOCKRUN} go install
+	${ENGINERUN} go install
 
 # Each of the fetch should be an entry within vendor.json; not currently included within project
 .PHONY: vendor
 vendor: tmp/dev_image_id
-	${DOCKRUN} go mod vendor
+	@mkdir -p vendor
+	${ENGINERUN} go mod vendor
 
 # ----------------------------------------------
 # develop and test
 
 .PHONY: format
 format: vendor
-	${DOCKRUN} bash ./scripts/format.sh
+	${ENGINERUN} bash ./scripts/format.sh
+
+
+.PHONY: secure
+secure: format
+	${ENGINERUN} bash ./scripts/secure.sh
 
 .PHONY: check
-check: format
-	${DOCKRUN} bash ./scripts/check.sh
+check: secure
+	${ENGINERUN} bash ./scripts/check.sh
+
+
 
 .PHONY: test
 test: check
-	${DOCKRUN} bash ./scripts/test.sh
+	${ENGINERUN} bash ./scripts/test.sh
 
 .PHONY: cover
 cover: check
 	@rm -rf cover/
 	@mkdir -p cover
-	${DOCKRUN} bash ./scripts/coverage.sh
+	${ENGINERUN} bash ./scripts/coverage.sh
 	@find cover -type d -exec chmod 755 {} \; || :
 	@find cover -type f -exec chmod 644 {} \; || :
 
-.PHONY: build-docs
-build-docs: prepare mkdocs.yml mkdocs/*
-	${DOCKRUN} mkdocs build
-	@find docs -type d -exec chmod 755 {} \; || :
-	@find docs -type f -exec chmod 644 {} \; || :
 
 .PHONY: release
 release: xcompile
-	${DOCKRUN} bash ./scripts/publish.sh
+	${ENGINERUN} bash ./scripts/publish.sh
 
 # ----------------------------------------------
 # utilities

Makefile.variables

@@ -29,7 +29,7 @@ endif
 
 DEV_IMAGE := ${PROJECT}_dev
 
-DOCKRUN := docker run --rm \
+ENGINERUN := ${ENGINE} run --rm \
 	-e LDFLAGS="${LDFLAGS}" \
 	-e GITHUB_TOKEN="${GITHUB_TOKEN}" \
 	-v ${ROOT}/vendor:/go/src \

README.md

@@ -1,127 +1,372 @@
 # yq
 
-[![Build Status](https://travis-ci.org/mikefarah/yq.svg?branch=master)](https://travis-ci.org/mikefarah/yq)  ![Docker Pulls](https://img.shields.io/docker/pulls/mikefarah/yq.svg) ![Github Releases (by Release)](https://img.shields.io/github/downloads/mikefarah/yq/total.svg) ![Go Report](https://goreportcard.com/badge/github.com/mikefarah/yq)
+![Build](https://github.com/mikefarah/yq/workflows/Build/badge.svg)  ![Docker Pulls](https://img.shields.io/docker/pulls/mikefarah/yq.svg) ![Github Releases (by Release)](https://img.shields.io/github/downloads/mikefarah/yq/total.svg) ![Go Report](https://goreportcard.com/badge/github.com/mikefarah/yq) ![CodeQL](https://github.com/mikefarah/yq/workflows/CodeQL/badge.svg)
 
 
-a lightweight and portable command-line YAML processor
+a lightweight and portable command-line YAML, JSON and XML processor. `yq` uses [jq](https://github.com/stedolan/jq) like syntax but works with yaml files as well as json, xml, properties, csv and tsv. It doesn't yet support everything `jq` does - but it does support the most common operations and functions, and more is being added continuously.
 
-The aim of the project is to be the [jq](https://github.com/stedolan/jq) or sed of yaml files.
+yq is written in go - so you can download a dependency free binary for your platform and you are good to go! If you prefer there are a variety of package managers that can be used as well as Docker and Podman, all listed below.
+
+## Quick Usage Guide
+
+Read a value:
+```bash
+yq '.a.b[0].c' file.yaml
+```
+
+Pipe from STDIN:
+```bash
+yq '.a.b[0].c' < file.yaml
+```
+
+Update a yaml file, inplace
+```bash
+yq -i '.a.b[0].c = "cool"' file.yaml
+```
+
+Update using environment variables
+```bash
+NAME=mike yq -i '.a.b[0].c = strenv(NAME)' file.yaml
+```
+
+Merge multiple files
+```bash
+# note the use of `ea` to evaluate all the files at once
+# instead of in sequence
+yq ea '. as $item ireduce ({}; . * $item )' path/to/*.yml
+```
+
+Multiple updates to a yaml file
+```bash
+yq -i '
+  .a.b[0].c = "cool" |
+  .x.y.z = "foobar" |
+  .person.name = strenv(NAME)
+' file.yaml
+```
+
+Convert JSON to YAML
+```bash
+yq -P sample.json
+```
+
+See the [documentation](https://mikefarah.gitbook.io/yq/) for more examples.
+
+Take a look at the discussions for [common questions](https://github.com/mikefarah/yq/discussions/categories/q-a), and [cool ideas](https://github.com/mikefarah/yq/discussions/categories/show-and-tell)
 
 ## Install
-### On MacOS:
+
+### [Download the latest binary](https://github.com/mikefarah/yq/releases/latest)
+
+### wget
+Use wget to download, gzipped pre-compiled binaries:
+
+#### Compressed via tar.gz
+```bash
+wget https://github.com/mikefarah/yq/releases/download/${VERSION}/${BINARY}.tar.gz -O - |\
+  tar xz && mv ${BINARY} /usr/bin/yq
+```
+
+#### Plain binary
+
+```bash
+wget https://github.com/mikefarah/yq/releases/download/${VERSION}/${BINARY} -O /usr/bin/yq &&\
+    chmod +x /usr/bin/yq
+```
+
+For instance, VERSION=v4.2.0 and BINARY=yq_linux_amd64
+
+Use VERSION=latest to always get the latest version:
+
+```bash
+wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq &&\
+    chmod +x /usr/bin/yq
+```
+
+### MacOS / Linux via Homebrew:
+Using [Homebrew](https://brew.sh/)
 ```
 brew install yq
 ```
-### On Ubuntu and other Linux distros supporting `snap` packages:
+
+### Linux via snap:
 ```
 snap install yq
 ```
 
 #### Snap notes
-`yq` installs with with [_strict confinement_](https://docs.snapcraft.io/snap-confinement/6233) in snap, this means it doesn't have direct access to root files. To read root files you can:
+`yq` installs with [_strict confinement_](https://docs.snapcraft.io/snap-confinement/6233) in snap, this means it doesn't have direct access to root files. To read root files you can:
 
 ```
-sudo cat /etc/myfile | yq -r - somecommand
+sudo cat /etc/myfile | yq '.a.path'
 ```
 
 And to write to a root file you can either use [sponge](https://linux.die.net/man/1/sponge):
 ```
-sudo cat /etc/myfile | yq -r - somecommand | sudo sponge /etc/myfile
+sudo cat /etc/myfile | yq '.a.path = "value"' | sudo sponge /etc/myfile
 ```
 or write to a temporary file:
 ```
-sudo cat /etc/myfile | yq -r - somecommand | sudo tee /etc/myfile.tmp
+sudo cat /etc/myfile | yq '.a.path = "value"' | sudo tee /etc/myfile.tmp
 sudo mv /etc/myfile.tmp /etc/myfile
 rm /etc/myfile.tmp
 ```
 
-### On Ubuntu 16.04 or higher from Debian package:
-```
-sudo add-apt-repository ppa:rmescandon/yq
-sudo apt update
-sudo apt install yq -y
-```
-### or, [Download latest binary](https://github.com/mikefarah/yq/releases/latest) or alternatively:
-```
-GO111MODULE=on go get github.com/mikefarah/yq@2.4.1
-```
-
-## Run with Docker
-
-Oneshot use:
+### Run with Docker or Podman
+#### Oneshot use:
 
 ```bash
-docker run --rm -v ${PWD}:/workdir mikefarah/yq yq [flags] <command> FILE...
+docker run --rm -v "${PWD}":/workdir mikefarah/yq [command] [flags] [expression ]FILE...
 ```
 
-Run commands interactively:
+Note that you can run `yq` in docker without network access and other privileges if you desire,
+namely `--security-opt=no-new-privileges --cap-drop all --network none`.
 
 ```bash
-docker run --rm -it -v ${PWD}:/workdir mikefarah/yq sh
+podman run --rm -v "${PWD}":/workdir mikefarah/yq [command] [flags] [expression ]FILE...
+```
+
+#### Pipe in via STDIN:
+
+You'll need to pass the `-i\--interactive` flag to docker:
+
+```bash
+docker run -i --rm mikefarah/yq '.this.thing' < myfile.yml
+```
+
+```bash
+podman run -i --rm mikefarah/yq '.this.thing' < myfile.yml
+```
+
+#### Run commands interactively:
+
+```bash
+docker run --rm -it -v "${PWD}":/workdir --entrypoint sh mikefarah/yq
+```
+
+```bash
+podman run --rm -it -v "${PWD}":/workdir --entrypoint sh mikefarah/yq
 ```
 
 It can be useful to have a bash function to avoid typing the whole docker command:
 
 ```bash
 yq() {
-  docker run --rm -i -v ${PWD}:/workdir mikefarah/yq yq $@
+  docker run --rm -i -v "${PWD}":/workdir mikefarah/yq "$@"
 }
 ```
 
-## Features
-- Written in portable go, so you can download a lovely dependency free binary
-- Deep read a yaml file with a given path
-- Update a yaml file given a path
-- Update a yaml file given a script file
-- Update creates any missing entries in the path on the fly
-- Create a yaml file given a deep path and value
-- Create a yaml file given a script file
-- Prefix a path to a yaml file
-- Convert from json to yaml
-- Convert from yaml to json
-- Pipe data in by using '-'
-- Merge multiple yaml files where each additional file sets values for missing or null value keys.
-- Merge multiple yaml files and override previous values.
-- Merge multiple yaml files and append array values.
-- Supports multiple documents in a single yaml file
+```bash
+yq() {
+  podman run --rm -i -v "${PWD}":/workdir mikefarah/yq "$@"
+}
+```
+#### Running as root:
 
-## [Usage](http://mikefarah.github.io/yq/)
+`yq`'s container image no longer runs under root (https://github.com/mikefarah/yq/pull/860). If you'd like to install more things in the container image, or you're having permissions issues when attempting to read/write files you'll need to either:
 
-Check out the [documentation](http://mikefarah.github.io/yq/) for more detailed and advanced usage.
 
 ```
-yq is a lightweight and portable command-line YAML processor. It aims to be the jq or sed of yaml files.
+docker run --user="root" -it --entrypoint sh mikefarah/yq
+```
 
+```
+podman run --user="root" -it --entrypoint sh mikefarah/yq
+```
+
+Or, in your Dockerfile:
+
+```
+FROM mikefarah/yq
+
+USER root
+RUN apk add --no-cache bash
+USER yq
+```
+
+#### Missing timezone data
+By default, the alpine image yq uses does not include timezone data. If you'd like to use the `tz` operator, you'll need to include this data:
+
+```
+FROM mikefarah/yq
+
+USER root
+RUN apk add --no-cache tzdata
+USER yq
+```
+
+#### Podman with SELinux
+
+If you are using podman with SELinux, you will need to set the shared volume flag `:z` on the volume mount:
+
+```
+-v "${PWD}":/workdir:z
+```
+
+### GitHub Action
+```
+  - name: Set foobar to cool
+    uses: mikefarah/yq@master
+    with:
+      cmd: yq -i '.foo.bar = "cool"' 'config.yml'
+  - name: Get an entry with a variable that might contain dots or spaces
+    id: get_username
+    uses: mikefarah/yq@master
+    with:
+      cmd: yq '.all.children.["${{ matrix.ip_address }}"].username' ops/inventories/production.yml
+  - name: Reuse a variable obtained in another step
+    run: echo ${{ steps.get_username.outputs.result }}
+```
+
+See https://mikefarah.gitbook.io/yq/usage/github-action for more.
+
+### Go Install:
+```
+go install github.com/mikefarah/yq/v4@latest
+```
+
+## Community Supported Installation methods
+As these are supported by the community :heart: - however, they may be out of date with the officially supported releases.
+
+
+### Nix
+
+```
+nix profile install nixpkgs#yq-go
+```
+
+See [here](https://search.nixos.org/packages?channel=unstable&show=yq-go&from=0&size=50&sort=relevance&type=packages&query=yq-go)
+
+
+### Webi
+
+```
+webi yq
+```
+
+See [webi](https://webinstall.dev/)
+Supported by @adithyasunil26 (https://github.com/webinstall/webi-installers/tree/master/yq)
+
+### Arch Linux
+
+```
+pacman -S go-yq
+```
+
+### Windows:
+[![Chocolatey](https://img.shields.io/chocolatey/v/yq.svg)](https://chocolatey.org/packages/yq)
+[![Chocolatey](https://img.shields.io/chocolatey/dt/yq.svg)](https://chocolatey.org/packages/yq)
+```
+choco install yq
+```
+Supported by @chillum (https://chocolatey.org/packages/yq)
+
+and
+
+### Winget
+winget install yq
+
+https://winget.run/pkg/MikeFarah/yq
+
+### Mac:
+Using [MacPorts](https://www.macports.org/)
+```
+sudo port selfupdate
+sudo port install yq
+```
+Supported by @herbygillot (https://ports.macports.org/maintainer/github/herbygillot)
+
+### Alpine Linux
+- Enable edge/community repo by adding ```$MIRROR/alpine/edge/community``` to ```/etc/apk/repositories```
+- Update database index with ```apk update```
+- Install yq with ```apk add yq```
+
+Supported by Tuan Hoang
+https://pkgs.alpinelinux.org/package/edge/community/x86/yq
+
+
+### On Ubuntu 16.04 or higher from Debian package:
+```sh
+sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys CC86BB64
+sudo add-apt-repository ppa:rmescandon/yq
+sudo apt update
+sudo apt install yq -y
+```
+Supported by @rmescandon (https://launchpad.net/~rmescandon/+archive/ubuntu/yq)
+
+## Features
+- [Detailed documentation with many examples](https://mikefarah.gitbook.io/yq/)
+- Written in portable go, so you can download a lovely dependency free binary
+- Uses similar syntax as `jq` but works with YAML, [JSON](https://mikefarah.gitbook.io/yq/usage/convert) and [XML](https://mikefarah.gitbook.io/yq/usage/xml) files
+- Fully supports multi document yaml files
+- Supports yaml [front matter](https://mikefarah.gitbook.io/yq/usage/front-matter) blocks (e.g. jekyll/assemble)
+- Colorized yaml output
+- [Date/Time manipulation and formatting with TZ](https://mikefarah.gitbook.io/yq/operators/datetime)
+- [Deeply data structures](https://mikefarah.gitbook.io/yq/operators/traverse-read)
+- [Sort keys](https://mikefarah.gitbook.io/yq/operators/sort-keys)
+- Manipulate yaml [comments](https://mikefarah.gitbook.io/yq/operators/comment-operators), [styling](https://mikefarah.gitbook.io/yq/operators/style), [tags](https://mikefarah.gitbook.io/yq/operators/tag) and [anchors and aliases](https://mikefarah.gitbook.io/yq/operators/anchor-and-alias-operators).
+- [Update inplace](https://mikefarah.gitbook.io/yq/v/v4.x/commands/evaluate#flags)
+- [Complex expressions to select and update](https://mikefarah.gitbook.io/yq/operators/select#select-and-update-matching-values-in-map)
+- Keeps yaml formatting and comments when updating (though there are issues with whitespace)
+- [Decode/Encode base64 data](https://mikefarah.gitbook.io/yq/operators/encode-decode)
+- [Load content from other files](https://mikefarah.gitbook.io/yq/operators/load)
+- [Convert to/from json/ndjson](https://mikefarah.gitbook.io/yq/v/v4.x/usage/convert)
+- [Convert to/from xml](https://mikefarah.gitbook.io/yq/v/v4.x/usage/xml)
+- [Convert to/from properties](https://mikefarah.gitbook.io/yq/v/v4.x/usage/properties)
+- [Convert to/from csv/tsv](https://mikefarah.gitbook.io/yq/usage/csv-tsv)
+- [General shell completion scripts (bash/zsh/fish/powershell)](https://mikefarah.gitbook.io/yq/v/v4.x/commands/shell-completion)
+- [Reduce](https://mikefarah.gitbook.io/yq/operators/reduce) to merge multiple files or sum an array or other fancy things.
+- [Github Action](https://mikefarah.gitbook.io/yq/usage/github-action) to use in your automated pipeline (thanks @devorbitus)
+
+## [Usage](https://mikefarah.gitbook.io/yq/)
+
+Check out the [documentation](https://mikefarah.gitbook.io/yq/) for more detailed and advanced usage.
+
+```
 Usage:
   yq [flags]
   yq [command]
 
+Examples:
+
+# yq defaults to 'eval' command if no command is specified. See "yq eval --help" for more examples.
+yq '.stuff' < myfile.yml # outputs the data at the "stuff" node from "myfile.yml"
+
+yq -i '.stuff = "foo"' myfile.yml # update myfile.yml inplace
+
+
 Available Commands:
-  delete      yq d [--inplace/-i] [--doc/-d index] sample.yaml a.b.c
-  help        Help about any command
-  merge       yq m [--inplace/-i] [--doc/-d index] [--overwrite/-x] [--append/-a] sample.yaml sample2.yaml
-  new         yq n [--script/-s script_file] a.b.c newValue
-  prefix      yq p [--inplace/-i] [--doc/-d index] sample.yaml a.b.c
-  read        yq r [--doc/-d index] sample.yaml a.b.c
-  write       yq w [--inplace/-i] [--script/-s script_file] [--doc/-d index] sample.yaml a.b.c newValue
+  completion       Generate the autocompletion script for the specified shell
+  eval             (default) Apply the expression to each document in each yaml file in sequence
+  eval-all         Loads _all_ yaml documents of _all_ yaml files and runs expression once
+  help             Help about any command
+  shell-completion Generate completion script
 
 Flags:
-  -h, --help      help for yq
-  -t, --trim      trim yaml output (default true)
-  -v, --verbose   verbose mode
-  -V, --version   Print version information and quit
+  -C, --colors                        force print with colors
+  -e, --exit-status                   set exit status if there are no matches or null or false is returned
+  -f, --front-matter string           (extract|process) first input as yaml front-matter. Extract will pull out the yaml content, process will run the expression against the yaml content, leaving the remaining data intact
+      --header-preprocess             Slurp any header comments and separators before processing expression. (default true)
+  -h, --help                          help for yq
+  -I, --indent int                    sets indent level for output (default 2)
+  -i, --inplace                       update the file inplace of first file given.
+  -p, --input-format string           [yaml|y|xml|x] parse format for input. Note that json is a subset of yaml. (default "yaml")
+  -M, --no-colors                     force print with no colors
+  -N, --no-doc                        Don't print document separators (---)
+  -n, --null-input                    Don't read input, simply evaluate the expression given. Useful for creating docs from scratch.
+  -o, --output-format string          [yaml|y|json|j|props|p|xml|x] output format type. (default "yaml")
+  -P, --prettyPrint                   pretty print, shorthand for '... style = ""'
+  -s, --split-exp string              print each result (or doc) into a file named (exp). [exp] argument must return a string. You can use $index in the expression as the result counter.
+      --unwrapScalar                  unwrap scalar, print the value with no quotes, colors or comments (default true)
+  -v, --verbose                       verbose mode
+  -V, --version                       Print version information and quit
+      --xml-attribute-prefix string   prefix for xml attributes (default "+")
+      --xml-content-name string       name for xml content (if no attribute name is present). (default "+content")
 
 Use "yq [command] --help" for more information about a command.
 ```
+## Known Issues / Missing Features
+- `yq` attempts to preserve comment positions and whitespace as much as possible, but it does not handle all scenarios (see https://github.com/go-yaml/yaml/tree/v3 for details)
+- Powershell has its own...[opinions on quoting yq](https://mikefarah.gitbook.io/yq/usage/tips-and-tricks#quotes-in-windows-powershell)
 
-## Contribute
-1. `scripts/devtools.sh`
-2. `make [local] vendor`
-3. add unit tests
-4. apply changes to go.mod
-5. `make [local] build`
-6. If required, update the user documentation
-    - Update README.md and/or documentation under the mkdocs folder
-    - `make [local] build-docs`
-    - browse to docs/index.html and check your changes
-7. profit
+See [tips and tricks](https://mikefarah.gitbook.io/yq/usage/tips-and-tricks) for more common problems and solutions.

acceptance_tests/bad_args.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+testWriteInPlacePipeIn() {
+  result=$(./yq e -i -n '.a' 2>&1)
+  assertEquals 1 $?
+  assertEquals "Error: write inplace flag only applicable when giving an expression and at least one file" "$result"
+}
+
+testWriteInPlacePipeInEvalall() {
+  result=$(./yq ea -i -n '.a' 2>&1)
+  assertEquals 1 $?
+  assertEquals "Error: write inplace flag only applicable when giving an expression and at least one file" "$result"
+}
+
+testWriteInPlaceWithSplit() {
+  result=$(./yq e -s "cat" -i '.a = "thing"' test.yml 2>&1)
+  assertEquals 1 $?
+  assertEquals "Error: write inplace cannot be used with split file" "$result"
+}
+
+testWriteInPlaceWithSplitEvalAll() {
+  result=$(./yq ea -s "cat" -i '.a = "thing"' test.yml 2>&1)
+  assertEquals 1 $?
+  assertEquals "Error: write inplace cannot be used with split file" "$result"
+}
+
+testNullWithFiles() {
+  result=$(./yq e -n '.a = "thing"' test.yml 2>&1)
+  assertEquals 1 $?
+  assertEquals "Error: cannot pass files in when using null-input flag" "$result"
+}
+
+testNullWithFilesEvalAll() {
+  result=$(./yq ea -n '.a = "thing"' test.yml 2>&1)
+  assertEquals 1 $?
+  assertEquals "Error: cannot pass files in when using null-input flag" "$result"
+}
+
+
+
+source ./scripts/shunit2

acceptance_tests/basic.sh

@@ -0,0 +1,356 @@
+#!/bin/bash
+
+setUp() {
+  rm test*.yml 2>/dev/null || true
+  rm .xyz 2>/dev/null || true
+  rm instructions.txt 2>/dev/null || true
+}
+
+testBasicEvalRoundTrip() {
+  ./yq -n ".a = 123" > test.yml
+  X=$(./yq '.a' test.yml)
+  assertEquals 123 "$X"
+}
+
+testBasicTrailingContent() {
+  cat >test-trailing.yml <<EOL
+test:
+# this comment will be removed
+EOL
+
+  read -r -d '' expected << EOM
+test:
+# this comment will be removed
+EOM
+  X=$(./yq test-trailing.yml -P)
+  assertEquals "$expected" "$X"
+}
+
+testBasicTrailingContent() {
+  cat >test-trailing.yml <<EOL
+test:
+# this comment will be removed
+EOL
+
+  read -r -d '' expected << EOM
+test:
+# hi
+EOM
+  X=$(./yq '. footComment = "hi"' test-trailing.yml)
+  assertEquals "$expected" "$X"
+}
+
+testBasicTrailingContentEvalAll() {
+  cat >test-trailing.yml <<EOL
+test:
+# this comment will be removed
+EOL
+
+  read -r -d '' expected << EOM
+test:
+# this comment will be removed
+EOM
+  X=$(./yq ea test-trailing.yml -P)
+  assertEquals "$expected" "$X"
+}
+
+testBasicTrailingContentEvalAll() {
+  cat >test-trailing.yml <<EOL
+test:
+# this comment will be removed
+EOL
+
+  read -r -d '' expected << EOM
+test:
+# hi
+EOM
+  X=$(./yq ea '. footComment = "hi"' test-trailing.yml)
+  assertEquals "$expected" "$X"
+}
+
+testBasicPipeWithDot() {
+  ./yq -n ".a = 123" > test.yml
+  X=$(cat test.yml | ./yq '.')
+  assertEquals "a: 123" "$X"
+}
+
+testBasicExpressionMatchesFileName() {
+  ./yq -n ".xyz = 123" > test.yml
+  touch .xyz
+  
+  X=$(./yq --expression '.xyz' test.yml)
+  assertEquals "123" "$X"
+
+  X=$(./yq ea --expression '.xyz' test.yml)
+  assertEquals "123" "$X"
+}
+
+testBasicExpressionFromFile() {
+  ./yq -n ".xyz = 123" > test.yml
+  echo '.xyz = "meow" | .cool = "frog"' > instructions.txt
+  
+  X=$(./yq --from-file instructions.txt test.yml -o=j -I=0)
+  assertEquals '{"xyz":"meow","cool":"frog"}' "$X"
+
+  X=$(./yq ea --from-file instructions.txt test.yml -o=j -I=0)
+  assertEquals '{"xyz":"meow","cool":"frog"}' "$X"
+}
+
+testBasicGitHubAction() {
+  ./yq -n ".a = 123" > test.yml
+  X=$(cat /dev/null | ./yq test.yml)
+  assertEquals "a: 123" "$X"
+
+  X=$(cat /dev/null | ./yq e test.yml)
+  assertEquals "a: 123" "$X"
+
+  X=$(cat /dev/null | ./yq ea test.yml)
+  assertEquals "a: 123" "$X"
+}
+
+testBasicGitHubActionWithExpression() {
+  ./yq -n ".a = 123" > test.yml
+  X=$(cat /dev/null | ./yq '.a' test.yml)
+  assertEquals "123" "$X"
+
+  X=$(cat /dev/null | ./yq e '.a' test.yml)
+  assertEquals "123" "$X"
+
+  X=$(cat /dev/null | ./yq ea '.a' test.yml)
+  assertEquals "123" "$X"
+}
+
+
+testBasicEvalAllAllFiles() {
+  ./yq -n ".a = 123" > test.yml
+  ./yq -n ".a = 124" > test2.yml
+  X=$(./yq ea test.yml test2.yml)
+  Y=$(./yq e '.' test.yml test2.yml)
+  assertEquals "$Y" "$X"
+}
+
+# when given a file, don't read STDIN
+# otherwise strange things start happening
+# in scripts
+# https://github.com/mikefarah/yq/issues/1115
+
+testBasicCatWithFilesNoDash() {
+  ./yq -n ".a = 123" > test.yml
+  ./yq -n ".a = 124" > test2.yml
+  X=$(cat test.yml | ./yq test2.yml)
+  Y=$(./yq e '.' test2.yml)
+  assertEquals "$Y" "$X"
+}
+
+# when the nullinput flag is used
+# dont automatically read STDIN (this breaks github actions)
+testBasicCreateFileGithubAction() {
+  cat /dev/null | ./yq -n ".a = 123" > test.yml
+}
+
+testBasicEvalAllCatWithFilesNoDash() {
+  ./yq -n ".a = 123" > test.yml
+  ./yq -n ".a = 124" > test2.yml
+  X=$(cat test.yml | ./yq ea test2.yml)
+  Y=$(./yq e '.' test2.yml)
+  assertEquals "$Y" "$X"
+}
+
+testBasicCatWithFilesNoDashWithExp() {
+  ./yq -n ".a = 123" > test.yml
+  ./yq -n ".a = 124" > test2.yml
+  X=$(cat test.yml | ./yq '.a' test2.yml)
+  Y=$(./yq e '.a' test2.yml)
+  assertEquals "$Y" "$X"
+}
+
+testBasicEvalAllCatWithFilesNoDashWithExp() {
+  ./yq -n ".a = 123" > test.yml
+  ./yq -n ".a = 124" > test2.yml
+  X=$(cat test.yml | ./yq ea '.a' test2.yml)
+  Y=$(./yq e '.a' test2.yml)
+  assertEquals "$Y" "$X"
+}
+
+
+testBasicStdInWithFiles() {
+  ./yq -n ".a = 123" > test.yml
+  ./yq -n ".a = 124" > test2.yml
+  X=$(cat test.yml | ./yq - test2.yml)
+  Y=$(./yq e '.' test.yml test2.yml)
+  assertEquals "$Y" "$X"
+}
+
+testBasicEvalAllStdInWithFiles() {
+  ./yq -n ".a = 123" > test.yml
+  ./yq -n ".a = 124" > test2.yml
+  X=$(cat test.yml | ./yq ea - test2.yml)
+  Y=$(./yq e '.' test.yml test2.yml)
+  assertEquals "$Y" "$X"
+}
+
+testBasicStdInWithFilesReverse() {
+  ./yq -n ".a = 123" > test.yml
+  ./yq -n ".a = 124" > test2.yml
+  X=$(cat test.yml | ./yq test2.yml -)
+  Y=$(./yq e '.' test2.yml test.yml)
+  assertEquals "$Y" "$X"
+}
+
+testBasicEvalAllStdInWithFilesReverse() {
+  ./yq -n ".a = 123" > test.yml
+  ./yq -n ".a = 124" > test2.yml
+  X=$(cat test.yml | ./yq ea test2.yml -)
+  Y=$(./yq e '.' test2.yml test.yml)
+  assertEquals "$Y" "$X"
+}
+
+testBasicEvalRoundTripNoEval() {
+  ./yq -n ".a = 123" > test.yml
+  X=$(./yq '.a' test.yml)
+  assertEquals 123 "$X"
+}
+
+testBasicStdInWithOneArg() {
+  ./yq e -n ".a = 123" > test.yml
+  X=$(cat test.yml | ./yq e ".a")
+  assertEquals 123 "$X"
+
+  X=$(cat test.yml | ./yq ea ".a")
+  assertEquals 123 "$X"
+
+  X=$(cat test.yml | ./yq ".a")
+  assertEquals 123 "$X"
+}
+
+testBasicUpdateInPlaceSequence() {
+  cat >test.yml <<EOL
+a: 0
+EOL
+  ./yq e -i ".a = 10" test.yml
+  X=$(./yq e '.a' test.yml)
+  assertEquals "10" "$X"
+}
+
+testBasicUpdateInPlaceSequenceNoEval() {
+  cat >test.yml <<EOL
+a: 0
+EOL
+  ./yq -i ".a = 10" test.yml
+  X=$(./yq '.a' test.yml)
+  assertEquals "10" "$X"
+}
+
+testBasicUpdateInPlaceSequenceEvalAll() {
+  cat >test.yml <<EOL
+a: 0
+EOL
+  ./yq ea -i ".a = 10" test.yml
+  X=$(./yq e '.a' test.yml)
+  assertEquals "10" "$X"
+}
+
+testBasicUpdateInPlaceMultipleFilesNoExpressionEval() {
+  cat >test.yml <<EOL
+a: 0
+EOL
+  cat >test2.yml <<EOL
+a: 1
+EOL
+read -r -d '' expected << EOM
+0
+---
+1
+EOM
+  ./yq -i test.yml test2.yml
+  X=$(./yq e '.a' test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testBasicUpdateInPlaceMultipleFilesNoExpressionEvalAll() {
+  cat >test.yml <<EOL
+a: 0
+EOL
+  cat >test2.yml <<EOL
+a: 1
+EOL
+read -r -d '' expected << EOM
+0
+---
+1
+EOM
+  ./yq -i ea test.yml test2.yml
+  X=$(./yq e '.a' test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testBasicNoExitStatus() {
+  echo "a: cat" > test.yml
+  X=$(./yq e '.z' test.yml)
+  assertEquals "null" "$X"
+}
+
+testBasicExitStatus() {
+  echo "a: cat" > test.yml
+  X=$(./yq e -e '.z' test.yml 2&>/dev/null)
+  assertEquals 1 "$?"
+}
+
+testBasicExitStatusNoEval() {
+  echo "a: cat" > test.yml
+  X=$(./yq -e '.z' test.yml 2&>/dev/null)
+  assertEquals 1 "$?"
+}
+
+testBasicExtractFieldWithSeperator() {
+    cat >test.yml <<EOL
+---
+name: chart-name
+version: 1.2.3
+EOL
+  X=$(./yq e '.name' test.yml)
+  assertEquals "chart-name" "$X"
+}
+
+testBasicExtractMultipleFieldWithSeperator() {
+    cat >test.yml <<EOL
+---
+name: chart-name
+version: 1.2.3
+---
+name: thing
+version: 1.2.3
+EOL
+
+read -r -d '' expected << EOM
+chart-name
+---
+thing
+EOM
+  X=$(./yq e '.name' test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testBasicMultiplyAssignMultiDoc() {
+      cat >test.yml <<EOL
+a: 1
+---
+b: 2
+EOL
+
+read -r -d '' expected << EOM
+a: 1
+c: 3
+---
+b: 2
+c: 3
+EOM
+
+
+  X=$(./yq '. *= {"c":3}' test.yml)
+  assertEquals "$expected" "$X"
+}
+
+
+
+source ./scripts/shunit2

acceptance_tests/completion.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+testCompletionRuns() {
+    result=$(./yq __complete "" 2>&1)
+    assertEquals 0 $?
+    assertContains "$result" "Completion ended with directive:"
+}
+
+source ./scripts/shunit2

acceptance_tests/empty.sh

@@ -0,0 +1,83 @@
+#!/bin/bash
+
+setUp() {
+  rm test*.yml || true
+  cat >test.yml <<EOL
+# comment
+EOL
+}
+
+testEmptyEval() {
+  X=$(./yq e test.yml)
+  expected="# comment"
+  assertEquals 0 $?
+  assertEquals "$expected" "$X"
+}
+
+testEmptyEvalNoNewLine() {
+  echo -n "#comment" >test.yml
+  X=$(./yq e test.yml)
+  expected=$(cat test.yml)
+  assertEquals 0 $?
+  assertEquals "$expected" "$X"
+}
+
+testEmptyEvalNoNewLineWithExpression() {
+  echo -n "# comment" >test.yml
+  X=$(./yq e '.apple = "tree"' test.yml)
+  read -r -d '' expected << EOM
+# comment
+apple: tree
+EOM
+  assertEquals "$expected" "$X"
+}
+
+testEmptyEvalPipe() {
+  X=$(./yq e - < test.yml)
+  assertEquals 0 $?
+}
+
+testEmptyCommentsWithExpressionEval() {
+  read -r -d '' expected << EOM
+# comment
+apple: tree
+EOM
+
+  X=$(./yq e '.apple="tree"' test.yml)
+
+  assertEquals "$expected" "$X"
+}
+
+testEmptyCommentsWithExpressionEvalAll() {
+  read -r -d '' expected << EOM
+# comment
+apple: tree
+EOM
+
+  X=$(./yq ea '.apple="tree"' test.yml)
+
+  assertEquals "$expected" "$X"
+}
+
+testEmptyWithExpressionEval() {
+  rm test.yml
+  touch test.yml
+  expected="apple: tree"
+
+  X=$(./yq e '.apple="tree"' test.yml)
+
+  assertEquals "$expected" "$X"
+}
+
+testEmptyWithExpressionEvalAll() {
+  rm test.yml
+  touch test.yml
+  expected="apple: tree"
+
+  X=$(./yq ea '.apple="tree"' test.yml)
+
+  assertEquals "$expected" "$X"
+}
+
+
+source ./scripts/shunit2

acceptance_tests/front-matter.sh

@@ -0,0 +1,76 @@
+#!/bin/bash
+
+setUp() {
+  rm test*.yml || true
+  cat >test.yml <<EOL
+---
+a: apple
+b: cat
+---
+not yaml
+c: at
+EOL
+}
+
+testFrontMatterProcessEval() {
+  read -r -d '' expected << EOM
+---
+a: apple
+b: dog
+---
+not yaml
+c: at
+EOM
+  ./yq e --front-matter="process" '.b = "dog"' test.yml -i
+  assertEquals "$expected" "$(cat test.yml)"
+}
+
+testFrontMatterProcessEvalAll() {
+  read -r -d '' expected << EOM
+---
+a: apple
+b: dog
+---
+not yaml
+c: at
+EOM
+  ./yq ea --front-matter="process" '.b = "dog"' test.yml -i
+  assertEquals "$expected" "$(cat test.yml)"
+}
+
+testFrontMatterExtractEval() {
+    cat >test.yml <<EOL
+a: apple
+b: cat
+---
+not yaml
+c: at
+EOL
+
+  read -r -d '' expected << EOM
+a: apple
+b: dog
+EOM
+  ./yq e --front-matter="extract" '.b = "dog"' test.yml -i
+  assertEquals "$expected" "$(cat test.yml)"
+}
+
+testFrontMatterExtractEvalAll() {
+  cat >test.yml <<EOL
+a: apple
+b: cat
+---
+not yaml
+c: at
+EOL
+
+  read -r -d '' expected << EOM
+a: apple
+b: dog
+EOM
+  ./yq ea --front-matter="extract" '.b = "dog"' test.yml -i
+  assertEquals "$expected" "$(cat test.yml)"
+}
+
+
+source ./scripts/shunit2

acceptance_tests/header-processing-off.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+setUp() {
+  rm test*.yml || true
+  
+}
+
+testLineCountFirstLineComment() {
+  cat >test.yml <<EOL
+#test123 
+abc: 123 
+test123: 123123 
+#comment 
+lalilu: lalilu
+EOL
+
+  X=$(./yq '.lalilu | line' --header-preprocess=false < test.yml)
+  assertEquals "5" "$X"
+}
+
+testArrayOfDocs() {
+  cat >test.yml <<EOL
+---
+# leading comment doc 1
+a: 1
+---
+# leading comment doc 2
+a: 2
+EOL
+
+read -r -d '' expected << EOM
+- # leading comment doc 1
+  a: 1
+- # leading comment doc 2
+  a: 2
+EOM
+
+  X=$(./yq ea '[.]' --header-preprocess=false < test.yml)
+  assertEquals "$expected" "$X"
+
+}
+
+source ./scripts/shunit2

acceptance_tests/inputs-format.sh

@@ -0,0 +1,203 @@
+#!/bin/bash
+
+setUp() {
+  rm test*.yml 2>/dev/null || true
+  rm test*.properties 2>/dev/null || true
+  rm test*.csv 2>/dev/null || true
+  rm test*.tsv 2>/dev/null || true
+  rm test*.xml 2>/dev/null || true
+}
+
+testInputProperties() {
+  cat >test.properties <<EOL
+mike.things = hello
+EOL
+
+  read -r -d '' expected << EOM
+mike:
+  things: hello
+EOM
+
+  X=$(./yq e -p=props test.properties)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea -p=props test.properties)
+  assertEquals "$expected" "$X"
+}
+
+testInputPropertiesGitHubAction() {
+  cat >test.properties <<EOL
+mike.things = hello
+EOL
+
+  read -r -d '' expected << EOM
+mike:
+  things: hello
+EOM
+
+  X=$(cat /dev/null | ./yq e -p=props test.properties)
+  assertEquals "$expected" "$X"
+
+  X=$(cat /dev/null | ./yq ea -p=props test.properties)
+  assertEquals "$expected" "$X"
+}
+
+testInputCSV() {
+  cat >test.csv <<EOL
+fruit,yumLevel
+apple,5
+banana,4
+EOL
+
+  read -r -d '' expected << EOM
+- fruit: apple
+  yumLevel: 5
+- fruit: banana
+  yumLevel: 4
+EOM
+
+  X=$(./yq e -p=csv test.csv)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea -p=csv test.csv)
+  assertEquals "$expected" "$X"
+}
+
+testInputCSVUTF8() {
+  read -r -d '' expected << EOM
+- id: 1
+  first: john
+  last: smith
+- id: 1
+  first: jane
+  last: smith
+EOM
+
+  X=$(./yq -p=csv utf8.csv)
+  assertEquals "$expected" "$X"
+}
+
+testInputTSV() {
+  cat >test.tsv <<EOL
+fruit	yumLevel
+apple	5
+banana	4
+EOL
+
+  read -r -d '' expected << EOM
+- fruit: apple
+  yumLevel: 5
+- fruit: banana
+  yumLevel: 4
+EOM
+
+  X=$(./yq e -p=t test.tsv)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea -p=t test.tsv)
+  assertEquals "$expected" "$X"
+}
+
+
+
+
+testInputXml() {
+  cat >test.yml <<EOL
+<cat legs="4">BiBi</cat>
+EOL
+
+  read -r -d '' expected << EOM
+cat:
+  +content: BiBi
+  +legs: "4"
+EOM
+
+  X=$(./yq e -p=xml test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea -p=xml test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testInputXmlNamespaces() {
+  cat >test.yml <<EOL
+<?xml version="1.0"?>
+<map xmlns="some-namespace" xmlns:xsi="some-instance" xsi:schemaLocation="some-url">
+</map>
+EOL
+
+  read -r -d '' expected << EOM
++p_xml: version="1.0"
+map:
+  +xmlns: some-namespace
+  +xmlns:xsi: some-instance
+  +xsi:schemaLocation: some-url
+EOM
+
+  X=$(./yq e -p=xml test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea -p=xml test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testInputXmlRoundtrip() {
+  cat >test.yml <<EOL
+<?xml version="1.0"?>
+<!DOCTYPE config SYSTEM "/etc/iwatch/iwatch.dtd" >
+<map xmlns="some-namespace" xmlns:xsi="some-instance" xsi:schemaLocation="some-url">Meow</map>
+EOL
+
+  read -r -d '' expected << EOM
+<?xml version="1.0"?>
+<!DOCTYPE config SYSTEM "/etc/iwatch/iwatch.dtd" >
+<map xmlns="some-namespace" xmlns:xsi="some-instance" xsi:schemaLocation="some-url">Meow</map>
+EOM
+
+  X=$(./yq -p=xml -o=xml test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea -p=xml -o=xml test.yml)
+  assertEquals "$expected" "$X"
+}
+
+
+testInputXmlStrict() {
+  cat >test.yml <<EOL
+<?xml version="1.0"?>
+<!DOCTYPE root [
+<!ENTITY writer "Catherine.">
+<!ENTITY copyright "(r) Great">
+]>
+<root>
+    <item>&writer;&copyright;</item>
+</root>
+EOL
+
+  X=$(./yq -p=xml --xml-strict-mode test.yml -o=xml 2>&1)
+  assertEquals 1 $?
+  assertEquals "Error: bad file 'test.yml': XML syntax error on line 7: invalid character entity &writer;" "$X"
+
+  X=$(./yq ea -p=xml --xml-strict-mode test.yml -o=xml 2>&1)
+  assertEquals "Error: bad file 'test.yml': XML syntax error on line 7: invalid character entity &writer;" "$X"
+}
+
+testInputXmlGithubAction() {
+  cat >test.yml <<EOL
+<cat legs="4">BiBi</cat>
+EOL
+
+  read -r -d '' expected << EOM
+cat:
+  +content: BiBi
+  +legs: "4"
+EOM
+
+  X=$(cat /dev/null | ./yq e -p=xml test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(cat /dev/null | ./yq ea -p=xml test.yml)
+  assertEquals "$expected" "$X"
+}
+
+source ./scripts/shunit2

acceptance_tests/leading-seperator.sh

@@ -0,0 +1,453 @@
+#!/bin/bash
+
+
+# examples where header-preprocess is required
+
+setUp() {
+  rm test*.yml || true
+  cat >test.yml <<EOL
+---
+a: test
+EOL
+}
+
+testLeadingSeperatorWithDoc() {
+  cat >test.yml <<EOL
+# hi peeps
+# cool
+---
+a: test
+---
+b: cool
+EOL
+
+  read -r -d '' expected << EOM
+# hi peeps
+# cool
+---
+a: thing
+---
+b: cool
+EOM
+
+  X=$(./yq e '(select(di == 0) | .a) = "thing"' - < test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorPipeIntoEvalSeq() {
+  X=$(./yq e - < test.yml)
+  expected=$(cat test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorExtractField() {
+  X=$(./yq e '.a' - < test.yml)
+  assertEquals "test" "$X"
+}
+
+testLeadingSeperatorExtractFieldWithCommentsAfterSep() {
+  cat >test.yml <<EOL
+---
+# hi peeps
+# cool
+a: test
+EOL
+  X=$(./yq e '.a' test.yml)
+  assertEquals "test" "$X"
+}
+
+testLeadingSeperatorExtractFieldWithCommentsBeforeSep() {
+  cat >test.yml <<EOL
+# hi peeps
+# cool
+---
+a: test
+EOL
+  X=$(./yq e '.a' test.yml)
+  assertEquals "test" "$X"
+}
+
+
+testLeadingSeperatorExtractFieldMultiDoc() {
+  cat >test.yml <<EOL
+---
+a: test
+---
+a: test2
+EOL
+
+  read -r -d '' expected << EOM
+test
+---
+test2
+EOM
+  X=$(./yq e '.a' test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorExtractFieldMultiDocWithComments() {
+  cat >test.yml <<EOL
+# here
+---
+# there
+a: test
+# whereever
+---
+# you are
+a: test2
+# woop
+EOL
+
+  read -r -d '' expected << EOM
+test
+---
+test2
+EOM
+  X=$(./yq e '.a' test.yml)
+  assertEquals "$expected" "$X"
+}
+
+
+testLeadingSeperatorEvalSeq() {
+  X=$(./yq e test.yml)
+  expected=$(cat test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorPipeIntoEvalAll() {
+  X=$(./yq ea - < test.yml)
+  expected=$(cat test.yml)
+  assertEquals "$expected" "$X"
+}
+
+
+testLeadingSeperatorEvalAll() {
+  X=$(./yq ea test.yml)
+  expected=$(cat test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiDocEvalSimple() {
+  read -r -d '' expected << EOM
+---
+a: test
+---
+version: 3
+application: MyApp
+EOM
+
+
+  X=$(./yq e '.' test.yml examples/order.yaml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiDocInOneFile() {
+  cat >test.yml <<EOL
+---
+# hi peeps
+# cool
+a: test
+---
+b: things
+EOL
+  expected=$(cat test.yml)
+  X=$(./yq e '.' test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiDocInOneFileEvalAll() {
+  cat >test.yml <<EOL
+---
+# hi peeps
+# cool
+a: test
+---
+b: things
+EOL
+  expected=$(cat test.yml)
+  X=$(./yq ea '.' test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiDocEvalComments() {
+  cat >test.yml <<EOL
+# hi peeps
+# cool
+a: test
+EOL
+
+cat >test2.yml <<EOL
+# this is another doc
+# great
+b: sane
+EOL
+
+  read -r -d '' expected << EOM
+# hi peeps
+# cool
+a: test
+---
+# this is another doc
+# great
+b: sane
+EOM
+
+
+  X=$(./yq e '.' test.yml test2.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiDocEvalCommentsTrailingSep() {
+  cat >test.yml <<EOL
+# hi peeps
+# cool
+---
+a: test
+EOL
+
+cat >test2.yml <<EOL
+# this is another doc
+# great
+---
+b: sane
+EOL
+
+  read -r -d '' expected << EOM
+# hi peeps
+# cool
+---
+a: test
+---
+# this is another doc
+# great
+---
+b: sane
+EOM
+
+
+  X=$(./yq e '.' test.yml test2.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiMultiDocEvalCommentsTrailingSep() {
+  cat >test.yml <<EOL
+# hi peeps
+# cool
+---
+a: test
+---
+a1: test2
+EOL
+
+cat >test2.yml <<EOL
+# this is another doc
+# great
+---
+b: sane
+---
+b2: cool
+EOL
+
+  read -r -d '' expected << EOM
+# hi peeps
+# cool
+---
+a: test
+---
+a1: test2
+---
+# this is another doc
+# great
+---
+b: sane
+---
+b2: cool
+EOM
+
+
+  X=$(./yq e '.' test.yml test2.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiDocEvalCommentsLeadingSep() {
+  cat >test.yml <<EOL
+---
+# hi peeps
+# cool
+a: test
+EOL
+
+cat >test2.yml <<EOL
+---
+# this is another doc
+# great
+b: sane
+EOL
+
+  read -r -d '' expected << EOM
+---
+# hi peeps
+# cool
+a: test
+---
+# this is another doc
+# great
+b: sane
+EOM
+
+
+  X=$(./yq e '.' test.yml test2.yml)
+  assertEquals "$expected" "$X"
+}
+
+# https://github.com/mikefarah/yq/issues/919
+testLeadingSeparatorDoesNotBreakCommentsOnOtherFiles() {
+  cat >test.yml <<EOL
+# a1
+a: 1
+# a2
+EOL
+
+cat >test2.yml <<EOL
+# b1
+b: 2
+# b2
+EOL
+
+  read -r -d '' expected << EOM
+# a1
+a: 1
+# a2
+
+# b1
+b: 2
+# b2
+EOM
+
+
+  X=$(./yq ea 'select(fi == 0) * select(fi == 1)' test.yml test2.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiDocEvalCommentsStripComments() {
+  cat >test.yml <<EOL
+---
+# hi peeps
+# cool
+a: test
+---
+# this is another doc
+# great
+b: sane
+EOL
+
+  # it will be hard to remove that top level separator
+  read -r -d '' expected << EOM
+a: test
+---
+b: sane
+EOM
+
+  X=$(./yq e '... comments=""'  test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiDocEvalCommentsLeadingSepNoDocFlag() {
+  cat >test.yml <<EOL
+---
+# hi peeps
+# cool
+a: test
+---
+# this is another doc
+# great
+b: sane
+EOL
+
+  read -r -d '' expected << EOM
+# hi peeps
+# cool
+a: test
+# this is another doc
+# great
+b: sane
+EOM
+
+
+  X=$(./yq e '.' --no-doc test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiDocEvalJsonFlag() {
+  cat >test.yml <<EOL
+---
+# hi peeps
+# cool
+a: test
+EOL
+
+cat >test2.yml <<EOL
+---
+# this is another doc
+# great
+b: sane
+EOL
+
+  read -r -d '' expected << EOM
+{
+  "a": "test"
+}
+{
+  "b": "sane"
+}
+EOM
+
+
+  X=$(./yq e '.' -j test.yml test2.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiDocEvalAllJsonFlag() {
+  cat >test.yml <<EOL
+---
+# hi peeps
+# cool
+a: test
+EOL
+
+cat >test2.yml <<EOL
+---
+# this is another doc
+# great
+b: sane
+EOL
+
+  read -r -d '' expected << EOM
+{
+  "a": "test"
+}
+{
+  "b": "sane"
+}
+EOM
+
+
+  X=$(./yq ea '.' -j test.yml test2.yml)
+  assertEquals "$expected" "$X"
+}
+
+testLeadingSeperatorMultiDocEvalAll() {
+  read -r -d '' expected << EOM
+---
+a: test
+---
+version: 3
+application: MyApp
+EOM
+
+
+  X=$(./yq ea '.' test.yml examples/order.yaml)
+  assertEquals "$expected" "$X"
+}
+
+source ./scripts/shunit2

acceptance_tests/load-file.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+testLoadFileNotExist() {
+  result=$(./yq e -n 'load("cat.yml")' 2>&1)
+  assertEquals 1 $?
+  assertEquals "Error: Failed to load cat.yml: open cat.yml: no such file or directory" "$result"
+}
+
+testLoadFileExpNotExist() {
+  result=$(./yq e -n 'load(.a)' 2>&1)
+  assertEquals 1 $?
+  assertEquals "Error: Filename expression returned nil" "$result"
+}
+
+testStrLoadFileNotExist() {
+  result=$(./yq e -n 'strload("cat.yml")' 2>&1)
+  assertEquals 1 $?
+  assertEquals "Error: Failed to load cat.yml: open cat.yml: no such file or directory" "$result"
+}
+
+testStrLoadFileExpNotExist() {
+  result=$(./yq e -n 'strload(.a)' 2>&1)
+  assertEquals 1 $?
+  assertEquals "Error: Filename expression returned nil" "$result"
+}
+
+source ./scripts/shunit2

acceptance_tests/output-format.sh

@@ -0,0 +1,208 @@
+#!/bin/bash
+
+setUp() {
+  rm test*.yml || true
+}
+
+testOutputJsonDeprecated() {
+  cat >test.yml <<EOL
+a: {b: ["cat"]}
+EOL
+
+  read -r -d '' expected << EOM
+{
+  "a": {
+    "b": [
+      "cat"
+    ]
+  }
+}
+EOM
+
+  X=$(./yq e -j test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea -j test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testOutputJson() {
+  cat >test.yml <<EOL
+a: {b: ["cat"]}
+EOL
+
+  read -r -d '' expected << EOM
+{
+  "a": {
+    "b": [
+      "cat"
+    ]
+  }
+}
+EOM
+
+  X=$(./yq e --output-format=json test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea --output-format=json test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testOutputJsonShort() {
+  cat >test.yml <<EOL
+a: {b: ["cat"]}
+EOL
+
+  read -r -d '' expected << EOM
+{
+  "a": {
+    "b": [
+      "cat"
+    ]
+  }
+}
+EOM
+
+  X=$(./yq e -o=j test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea -o=j test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testOutputProperties() {
+  cat >test.yml <<EOL
+a: {b: {c: ["cat"]}}
+EOL
+
+  read -r -d '' expected << EOM
+a.b.c.0 = cat
+EOM
+
+  X=$(./yq e --output-format=props test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea --output-format=props test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testOutputPropertiesShort() {
+  cat >test.yml <<EOL
+a: {b: {c: ["cat"]}}
+EOL
+
+  read -r -d '' expected << EOM
+a.b.c.0 = cat
+EOM
+
+  X=$(./yq e -o=p test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea -o=p test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testOutputCSV() {
+  cat >test.yml <<EOL
+- fruit: apple
+  yumLevel: 5
+- fruit: banana
+  yumLevel: 4
+EOL
+
+  read -r -d '' expected << EOM
+fruit,yumLevel
+apple,5
+banana,4
+EOM
+
+  X=$(./yq -o=c test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea -o=csv test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testOutputTSV() {
+  cat >test.yml <<EOL
+- fruit: apple
+  yumLevel: 5
+- fruit: banana
+  yumLevel: 4
+EOL
+
+  read -r -d '' expected << EOM
+fruit	yumLevel
+apple	5
+banana	4
+EOM
+
+  X=$(./yq -o=t test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea -o=tsv test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testOutputXml() {
+  cat >test.yml <<EOL
+a: {b: {c: ["cat"]}}
+EOL
+
+  read -r -d '' expected << EOM
+<a>
+  <b>
+    <c>cat</c>
+  </b>
+</a>
+EOM
+
+  X=$(./yq e --output-format=xml test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea --output-format=xml test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testOutputXmlShort() {
+  cat >test.yml <<EOL
+a: {b: {c: ["cat"]}}
+EOL
+
+  read -r -d '' expected << EOM
+<a>
+  <b>
+    <c>cat</c>
+  </b>
+</a>
+EOM
+
+  X=$(./yq e --output-format=x test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea --output-format=x test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testOutputXmComplex() {
+  cat >test.yml <<EOL
+a: {b: {c: ["cat", "dog"], +f: meow}}
+EOL
+
+  read -r -d '' expected << EOM
+<a>
+  <b f="meow">
+    <c>cat</c>
+    <c>dog</c>
+  </b>
+</a>
+EOM
+
+  X=$(./yq e --output-format=x test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea --output-format=x test.yml)
+  assertEquals "$expected" "$X"
+}
+
+source ./scripts/shunit2

acceptance_tests/pipe.sh

@@ -0,0 +1,70 @@
+#!/bin/bash
+
+setUp() {
+  rm test*.yml || true
+  cat >test.yml <<EOL
+a: frog
+EOL
+}
+
+testPipeViaCatWithParam() {
+  X=$(cat test.yml | ./yq '.a')
+  assertEquals "frog" "$X"
+}
+
+testPipeViaCatWithParamEval() {
+  X=$(cat test.yml | ./yq e '.a')
+  assertEquals "frog" "$X"
+}
+
+testPipeViaCatWithParamEvalAll() {
+  X=$(cat test.yml | ./yq ea '.a')
+  assertEquals "frog" "$X"
+}
+
+testPipeViaCatNoParam() {
+  X=$(cat test.yml | ./yq)
+  assertEquals "a: frog" "$X"
+}
+
+testPipeViaCatNoParamEval() {
+  X=$(cat test.yml | ./yq e)
+  assertEquals "a: frog" "$X"
+}
+
+testPipeViaCatNoParamEvalAll() {
+  X=$(cat test.yml | ./yq ea)
+  assertEquals "a: frog" "$X"
+}
+
+testPipeViaFileishWithParam() {
+  X=$(./yq '.a' < test.yml)
+  assertEquals "frog" "$X"
+}
+
+testPipeViaFileishWithParamEval() {
+  X=$(./yq e '.a' < test.yml)
+  assertEquals "frog" "$X"
+}
+
+testPipeViaFileishWithParamEvalAll() {
+  X=$(./yq ea '.a' < test.yml)
+  assertEquals "frog" "$X"
+}
+
+testPipeViaFileishNoParam() {
+  X=$(./yq < test.yml)
+  assertEquals "a: frog" "$X"
+}
+
+testPipeViaFileishNoParamEval() {
+  X=$(./yq e < test.yml)
+  assertEquals "a: frog" "$X"
+}
+
+testPipeViaFileishNoParamEvalAll() {
+  X=$(./yq ea < test.yml)
+  assertEquals "a: frog" "$X"
+}
+
+source ./scripts/shunit2

acceptance_tests/pretty-print.sh

@@ -0,0 +1,176 @@
+#!/bin/bash
+
+setUp() {
+  rm test*.yml || true
+}
+
+testPrettyPrintWithBooleans() {
+  cat >test.yml <<EOL
+leaveUnquoted: [yes, no, on, off, y, n, true, false]
+leaveQuoted: ["yes", "no", "on", "off", "y", "n", "true", "false"]
+
+EOL
+
+  read -r -d '' expected << EOM
+leaveUnquoted:
+  - yes
+  - no
+  - on
+  - off
+  - y
+  - n
+  - true
+  - false
+leaveQuoted:
+  - "yes"
+  - "no"
+  - "on"
+  - "off"
+  - "y"
+  - "n"
+  - "true"
+  - "false"
+EOM
+
+  X=$(./yq e --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testPrettyPrintWithBooleansCapitals() {
+  cat >test.yml <<EOL
+leaveUnquoted: [YES, NO, ON, OFF, Y, N, TRUE, FALSE]
+leaveQuoted: ["YES", "NO", "ON", "OFF", "Y", "N", "TRUE", "FALSE"]
+EOL
+
+  read -r -d '' expected << EOM
+leaveUnquoted:
+  - YES
+  - NO
+  - ON
+  - OFF
+  - Y
+  - N
+  - TRUE
+  - FALSE
+leaveQuoted:
+  - "YES"
+  - "NO"
+  - "ON"
+  - "OFF"
+  - "Y"
+  - "N"
+  - "TRUE"
+  - "FALSE"
+EOM
+
+  X=$(./yq e --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testPrettyPrintOtherStringValues() {
+  cat >test.yml <<EOL
+leaveUnquoted: [yesSir, hellno, bonapite]
+makeUnquoted: ["yesSir", "hellno", "bonapite"]
+EOL
+
+  read -r -d '' expected << EOM
+leaveUnquoted:
+  - yesSir
+  - hellno
+  - bonapite
+makeUnquoted:
+  - yesSir
+  - hellno
+  - bonapite
+EOM
+
+  X=$(./yq e --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testPrettyPrintKeys() {
+  cat >test.yml <<EOL
+"removeQuotes": "please"
+EOL
+
+  read -r -d '' expected << EOM
+removeQuotes: please
+EOM
+
+  X=$(./yq e --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testPrettyPrintOtherStringValues() {
+  cat >test.yml <<EOL
+leaveUnquoted: [yesSir, hellno, bonapite]
+makeUnquoted: ["yesSir", "hellno", "bonapite"]
+EOL
+
+  read -r -d '' expected << EOM
+leaveUnquoted:
+  - yesSir
+  - hellno
+  - bonapite
+makeUnquoted:
+  - yesSir
+  - hellno
+  - bonapite
+EOM
+
+  X=$(./yq e --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testPrettyPrintStringBlocks() {
+  cat >test.yml <<EOL
+"removeQuotes": | 
+  "please"
+EOL
+
+  read -r -d '' expected << EOM
+removeQuotes: |
+  "please"
+EOM
+
+  X=$(./yq e --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+}
+
+testPrettyPrintWithExpression() {
+  cat >test.yml <<EOL
+a: {b: {c: ["cat"]}}
+EOL
+
+  read -r -d '' expected << EOM
+b:
+  c:
+    - cat
+EOM
+
+  X=$(./yq e '.a' --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+
+  X=$(./yq ea '.a' --prettyPrint test.yml)
+  assertEquals "$expected" "$X"
+}
+
+source ./scripts/shunit2

acceptance_tests/split-printer.sh

@@ -0,0 +1,207 @@
+#!/bin/bash
+
+setUp() {
+  rm test*.yml || true
+}
+
+testBasicSplitWithName() {
+  cat >test.yml <<EOL
+a: test_doc1
+--- 
+a: test_doc2
+EOL
+
+  ./yq e test.yml -s ".a"
+
+  doc1=$(cat test_doc1.yml)
+  
+  assertEquals "a: test_doc1" "$doc1"
+
+  doc2=$(cat test_doc2.yml)
+  read -r -d '' expectedDoc2 << EOM
+---
+a: test_doc2
+EOM
+  assertEquals "$expectedDoc2" "$doc2"
+}
+
+testBasicSplitWithNameCustomExtension() {
+  rm test*.yaml || true
+  cat >test.yml <<EOL
+a: test_doc1
+--- 
+a: test_doc2
+EOL
+
+  ./yq e test.yml -s '.a + ".yaml"'
+
+  doc1=$(cat test_doc1.yaml)
+  
+  assertEquals "a: test_doc1" "$doc1"
+
+  doc2=$(cat test_doc2.yaml)
+  read -r -d '' expectedDoc2 << EOM
+---
+a: test_doc2
+EOM
+  assertEquals "$expectedDoc2" "$doc2"
+}
+
+
+
+
+testSplitFromFile() {
+  cat >test.yml <<EOL
+a: test_doc1
+--- 
+a: test_doc2
+EOL
+
+cat >test_splitExp.yml <<EOL
+.a
+EOL
+
+  ./yq test.yml --split-exp-file test_splitExp.yml
+
+  doc1=$(cat test_doc1.yml)
+  
+  assertEquals "a: test_doc1" "$doc1"
+
+  doc2=$(cat test_doc2.yml)
+  read -r -d '' expectedDoc2 << EOM
+---
+a: test_doc2
+EOM
+  assertEquals "$expectedDoc2" "$doc2"
+}
+
+testBasicSplitWithNameEvalAll() {
+  cat >test.yml <<EOL
+a: test_doc1
+--- 
+a: test_doc2
+EOL
+
+  ./yq ea test.yml -s ".a"
+
+  doc1=$(cat test_doc1.yml)
+  
+  assertEquals "a: test_doc1" "$doc1"
+
+  doc2=$(cat test_doc2.yml)
+  read -r -d '' expectedDoc2 << EOM
+---
+a: test_doc2
+EOM
+  assertEquals "$expectedDoc2" "$doc2"
+}
+
+testBasicSplitWithIndex() {
+  cat >test.yml <<EOL
+a: test_doc1
+--- 
+a: test_doc2
+EOL
+
+  ./yq e test.yml -s '"test_" + $index'
+
+  doc1=$(cat test_0.yml)
+  
+  assertEquals "a: test_doc1" "$doc1"
+
+  doc2=$(cat test_1.yml)
+  read -r -d '' expectedDoc2 << EOM
+---
+a: test_doc2
+EOM
+  assertEquals "$expectedDoc2" "$doc2"
+}
+
+testBasicSplitWithIndexEvalAll() {
+  cat >test.yml <<EOL
+a: test_doc1
+--- 
+a: test_doc2
+EOL
+
+  ./yq ea test.yml -s '"test_" + $index'
+
+  doc1=$(cat test_0.yml)
+  
+  assertEquals "a: test_doc1" "$doc1"
+
+  doc2=$(cat test_1.yml)
+  read -r -d '' expectedDoc2 << EOM
+---
+a: test_doc2
+EOM
+  assertEquals "$expectedDoc2" "$doc2"
+}
+
+
+testArraySplitWithNameNoSeparators() {
+  cat >test.yml <<EOL
+- name: test_fred
+  age: 35
+- name: test_catherine
+  age: 37
+EOL
+
+  ./yq e --no-doc -s ".name"  ".[]" test.yml 
+
+  doc1=$(cat test_fred.yml)
+  read -r -d '' expectedDoc1 << EOM
+name: test_fred
+age: 35
+EOM
+
+  assertEquals "$expectedDoc1" "$doc1"
+
+  doc2=$(cat test_catherine.yml)
+  read -r -d '' expectedDoc2 << EOM
+name: test_catherine
+age: 37
+EOM
+  assertEquals "$expectedDoc2" "$doc2"
+}
+
+testArraySplitWithNameNoSeparatorsEvalAll() {
+  cat >test.yml <<EOL
+- name: test_fred
+  age: 35
+- name: test_catherine
+  age: 37
+EOL
+
+cat >test2.yml <<EOL
+- name: test_mike
+  age: 564
+EOL
+
+  ./yq ea --no-doc -s ".name"  ".[]" test.yml test2.yml
+
+  doc1=$(cat test_fred.yml)
+  read -r -d '' expectedDoc1 << EOM
+name: test_fred
+age: 35
+EOM
+
+  assertEquals "$expectedDoc1" "$doc1"
+
+  doc2=$(cat test_catherine.yml)
+  read -r -d '' expectedDoc2 << EOM
+name: test_catherine
+age: 37
+EOM
+  assertEquals "$expectedDoc2" "$doc2"
+
+
+  doc3=$(cat test_mike.yml)
+  read -r -d '' expectedDoc3 << EOM
+name: test_mike
+age: 564
+EOM
+  assertEquals "$expectedDoc3" "$doc3"
+}
+
+source ./scripts/shunit2

action.yml

@@ -0,0 +1,17 @@
+name: 'yq - portable yaml processor'
+description: 'create, read, update, delete, merge, validate and do more with yaml'
+branding:
+  icon: command
+  color: gray-dark
+inputs:
+  cmd:
+    description: 'The Command which should be run'
+    required: true
+outputs:
+  result:
+    description: "The complete result from the yq command being run"
+runs:
+  using: 'docker'
+  image: 'docker://mikefarah/yq:4-githubaction'
+  args:
+    - ${{ inputs.cmd }}

cmd/constant.go

@@ -0,0 +1,31 @@
+package cmd
+
+var unwrapScalar = true
+
+var writeInplace = false
+var outputToJSON = false
+var outputFormat = "yaml"
+var inputFormat = "yaml"
+
+var exitStatus = false
+var forceColor = false
+var forceNoColor = false
+var colorsEnabled = false
+var indent = 2
+var noDocSeparators = false
+var nullInput = false
+var verbose = false
+var version = false
+var prettyPrint = false
+
+// can be either "" (off), "extract" or "process"
+var frontMatter = ""
+
+var splitFileExp = ""
+var splitFileExpFile = ""
+
+var completedSuccessfully = false
+
+var forceExpression = ""
+
+var expressionFile = ""

cmd/evaluate_all_command.go

@@ -0,0 +1,128 @@
+package cmd
+
+import (
+	"errors"
+
+	"github.com/mikefarah/yq/v4/pkg/yqlib"
+	"github.com/spf13/cobra"
+)
+
+func createEvaluateAllCommand() *cobra.Command {
+	var cmdEvalAll = &cobra.Command{
+		Use:     "eval-all [expression] [yaml_file1]...",
+		Aliases: []string{"ea"},
+		Short:   "Loads _all_ yaml documents of _all_ yaml files and runs expression once",
+		Example: `
+# Merge f2.yml into f1.yml (inplace)
+yq eval-all --inplace 'select(fileIndex == 0) * select(fileIndex == 1)' f1.yml f2.yml
+## the same command and expression using shortened names:
+yq ea -i 'select(fi == 0) * select(fi == 1)' f1.yml f2.yml
+
+
+# Merge all given files
+yq ea '. as $item ireduce ({}; . * $item )' file1.yml file2.yml ...
+
+# Pipe from STDIN
+## use '-' as a filename to pipe from STDIN
+cat file2.yml | yq ea '.a.b' file1.yml - file3.yml
+`,
+		Long: `yq is a portable command-line YAML processor (https://github.com/mikefarah/yq/) 
+See https://mikefarah.gitbook.io/yq/ for detailed documentation and examples.
+
+## Evaluate All ##
+This command loads _all_ yaml documents of _all_ yaml files and runs expression once
+Useful when you need to run an expression across several yaml documents or files (like merge).
+Note that it consumes more memory than eval.
+`,
+		RunE: evaluateAll,
+	}
+	return cmdEvalAll
+}
+func evaluateAll(cmd *cobra.Command, args []string) (cmdError error) {
+	// 0 args, read std in
+	// 1 arg, null input, process expression
+	// 1 arg, read file in sequence
+	// 2+ args, [0] = expression, file the rest
+
+	var err error
+
+	expression, args, err := initCommand(cmd, args)
+	if err != nil {
+		return err
+	}
+
+	out := cmd.OutOrStdout()
+
+	if writeInplace {
+		// only use colors if its forced
+		colorsEnabled = forceColor
+		writeInPlaceHandler := yqlib.NewWriteInPlaceHandler(args[0])
+		out, err = writeInPlaceHandler.CreateTempFile()
+		if err != nil {
+			return err
+		}
+		// need to indirectly call the function so  that completedSuccessfully is
+		// passed when we finish execution as opposed to now
+		defer func() {
+			if cmdError == nil {
+				cmdError = writeInPlaceHandler.FinishWriteInPlace(completedSuccessfully)
+			}
+		}()
+	}
+
+	format, err := yqlib.OutputFormatFromString(outputFormat)
+	if err != nil {
+		return err
+	}
+
+	decoder, err := configureDecoder(true)
+	if err != nil {
+		return err
+	}
+
+	printerWriter, err := configurePrinterWriter(format, out)
+	if err != nil {
+		return err
+	}
+	encoder := configureEncoder(format)
+
+	printer := yqlib.NewPrinter(encoder, printerWriter)
+
+	if frontMatter != "" {
+		frontMatterHandler := yqlib.NewFrontMatterHandler(args[0])
+		err = frontMatterHandler.Split()
+		if err != nil {
+			return err
+		}
+		args[0] = frontMatterHandler.GetYamlFrontMatterFilename()
+
+		if frontMatter == "process" {
+			reader := frontMatterHandler.GetContentReader()
+			printer.SetAppendix(reader)
+			defer yqlib.SafelyCloseReader(reader)
+		}
+		defer frontMatterHandler.CleanUp()
+	}
+
+	allAtOnceEvaluator := yqlib.NewAllAtOnceEvaluator()
+
+	switch len(args) {
+	case 0:
+		if nullInput {
+			err = yqlib.NewStreamEvaluator().EvaluateNew(processExpression(expression), printer)
+		} else {
+			cmd.Println(cmd.UsageString())
+			return nil
+		}
+	default:
+		err = allAtOnceEvaluator.EvaluateFiles(processExpression(expression), args, printer, decoder)
+	}
+
+	completedSuccessfully = err == nil
+
+	if err == nil && exitStatus && !printer.PrintedAnything() {
+		return errors.New("no matches found")
+	}
+
+	return err
+}

cmd/evalute_sequence_command.go

@@ -0,0 +1,141 @@
+package cmd
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/mikefarah/yq/v4/pkg/yqlib"
+	"github.com/spf13/cobra"
+)
+
+func createEvaluateSequenceCommand() *cobra.Command {
+	var cmdEvalSequence = &cobra.Command{
+		Use:     "eval [expression] [yaml_file1]...",
+		Aliases: []string{"e"},
+		Short:   "(default) Apply the expression to each document in each yaml file in sequence",
+		Example: `
+# Reads field under the given path for each file
+yq e '.a.b' f1.yml f2.yml 
+
+# Prints out the file
+yq e sample.yaml 
+
+# Pipe from STDIN
+## use '-' as a filename to pipe from STDIN
+cat file2.yml | yq e '.a.b' file1.yml - file3.yml
+
+# Creates a new yaml document
+## Note that editing an empty file does not work.
+yq e -n '.a.b.c = "cat"' 
+
+# Update a file inplace
+yq e '.a.b = "cool"' -i file.yaml 
+`,
+		Long: `yq is a portable command-line YAML processor (https://github.com/mikefarah/yq/) 
+See https://mikefarah.gitbook.io/yq/ for detailed documentation and examples.
+
+## Evaluate Sequence ##
+This command iterates over each yaml document from each given file, applies the 
+expression and prints the result in sequence.`,
+		RunE: evaluateSequence,
+	}
+	return cmdEvalSequence
+}
+
+func processExpression(expression string) string {
+
+	if prettyPrint && expression == "" {
+		return yqlib.PrettyPrintExp
+	} else if prettyPrint {
+		return fmt.Sprintf("%v | %v", expression, yqlib.PrettyPrintExp)
+	}
+	return expression
+}
+
+func evaluateSequence(cmd *cobra.Command, args []string) (cmdError error) {
+	// 0 args, read std in
+	// 1 arg, null input, process expression
+	// 1 arg, read file in sequence
+	// 2+ args, [0] = expression, file the rest
+
+	out := cmd.OutOrStdout()
+
+	var err error
+
+	expression, args, err := initCommand(cmd, args)
+	if err != nil {
+		return err
+	}
+
+	if writeInplace {
+		// only use colors if its forced
+		colorsEnabled = forceColor
+		writeInPlaceHandler := yqlib.NewWriteInPlaceHandler(args[0])
+		out, err = writeInPlaceHandler.CreateTempFile()
+		if err != nil {
+			return err
+		}
+		// need to indirectly call the function so  that completedSuccessfully is
+		// passed when we finish execution as opposed to now
+		defer func() {
+			if cmdError == nil {
+				cmdError = writeInPlaceHandler.FinishWriteInPlace(completedSuccessfully)
+			}
+		}()
+	}
+
+	format, err := yqlib.OutputFormatFromString(outputFormat)
+	if err != nil {
+		return err
+	}
+
+	printerWriter, err := configurePrinterWriter(format, out)
+	if err != nil {
+		return err
+	}
+	encoder := configureEncoder(format)
+
+	printer := yqlib.NewPrinter(encoder, printerWriter)
+
+	decoder, err := configureDecoder(false)
+	if err != nil {
+		return err
+	}
+	streamEvaluator := yqlib.NewStreamEvaluator()
+
+	if frontMatter != "" {
+		yqlib.GetLogger().Debug("using front matter handler")
+		frontMatterHandler := yqlib.NewFrontMatterHandler(args[0])
+		err = frontMatterHandler.Split()
+		if err != nil {
+			return err
+		}
+		args[0] = frontMatterHandler.GetYamlFrontMatterFilename()
+
+		if frontMatter == "process" {
+			reader := frontMatterHandler.GetContentReader()
+			printer.SetAppendix(reader)
+			defer yqlib.SafelyCloseReader(reader)
+		}
+		defer frontMatterHandler.CleanUp()
+	}
+
+	switch len(args) {
+	case 0:
+		if nullInput {
+			err = streamEvaluator.EvaluateNew(processExpression(expression), printer)
+		} else {
+			cmd.Println(cmd.UsageString())
+			return nil
+		}
+	default:
+		err = streamEvaluator.EvaluateFiles(processExpression(expression), args, printer, decoder)
+	}
+	completedSuccessfully = err == nil
+
+	if err == nil && exitStatus && !printer.PrintedAnything() {
+		return errors.New("no matches found")
+	}
+
+	return err
+}

cmd/root.go

@@ -0,0 +1,118 @@
+package cmd
+
+import (
+	"os"
+
+	"github.com/mikefarah/yq/v4/pkg/yqlib"
+	"github.com/spf13/cobra"
+	logging "gopkg.in/op/go-logging.v1"
+)
+
+func New() *cobra.Command {
+	var rootCmd = &cobra.Command{
+		Use:   "yq",
+		Short: "yq is a lightweight and portable command-line YAML processor.",
+		Long: `yq is a portable command-line YAML processor (https://github.com/mikefarah/yq/) 
+See https://mikefarah.gitbook.io/yq/ for detailed documentation and examples.`,
+		Example: `
+# yq defaults to 'eval' command if no command is specified. See "yq eval --help" for more examples.
+
+# read the "stuff" node from "myfile.yml"
+yq '.stuff' < myfile.yml
+
+# update myfile.yml in place
+yq -i '.stuff = "foo"' myfile.yml
+
+# print contents of sample.json as idiomatic YAML
+yq -P sample.json
+`,
+
+		RunE: func(cmd *cobra.Command, args []string) error {
+			if version {
+				cmd.Print(GetVersionDisplay())
+				return nil
+			}
+			return evaluateSequence(cmd, args)
+
+		},
+		PersistentPreRun: func(cmd *cobra.Command, args []string) {
+			cmd.SetOut(cmd.OutOrStdout())
+
+			var format = logging.MustStringFormatter(
+				`%{color}%{time:15:04:05} %{shortfunc} [%{level:.4s}]%{color:reset} %{message}`,
+			)
+			var backend = logging.AddModuleLevel(
+				logging.NewBackendFormatter(logging.NewLogBackend(os.Stderr, "", 0), format))
+
+			if verbose {
+				backend.SetLevel(logging.DEBUG, "")
+			} else {
+				backend.SetLevel(logging.WARNING, "")
+			}
+
+			logging.SetBackend(backend)
+			yqlib.InitExpressionParser()
+			if (inputFormat == "x" || inputFormat == "xml") &&
+				outputFormat != "x" && outputFormat != "xml" &&
+				yqlib.ConfiguredXMLPreferences.AttributePrefix == "+" {
+				yqlib.GetLogger().Warning("The default xml-attribute-prefix will change in the v4.30 to `+@` to avoid " +
+					"naming conflicts with the default content name, directive name and proc inst prefix. If you need to keep " +
+					"`+` please set that value explicityly with --xml-attribute-prefix.")
+			}
+
+			//copy preference form global setting
+			yqlib.ConfiguredYamlPreferences.UnwrapScalar = unwrapScalar
+
+			yqlib.ConfiguredYamlPreferences.PrintDocSeparators = !noDocSeparators
+		},
+	}
+
+	rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "verbose mode")
+
+	rootCmd.PersistentFlags().BoolVarP(&outputToJSON, "tojson", "j", false, "(deprecated) output as json. Set indent to 0 to print json in one line.")
+	err := rootCmd.PersistentFlags().MarkDeprecated("tojson", "please use -o=json instead")
+	if err != nil {
+		panic(err)
+	}
+
+	rootCmd.PersistentFlags().StringVarP(&outputFormat, "output-format", "o", "yaml", "[yaml|y|json|j|props|p|xml|x] output format type.")
+	rootCmd.PersistentFlags().StringVarP(&inputFormat, "input-format", "p", "yaml", "[yaml|y|props|p|xml|x] parse format for input. Note that json is a subset of yaml.")
+
+	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.AttributePrefix, "xml-attribute-prefix", "+", "prefix for xml attributes")
+	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.ContentName, "xml-content-name", "+content", "name for xml content (if no attribute name is present).")
+	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.StrictMode, "xml-strict-mode", false, "enables strict parsing of XML. See https://pkg.go.dev/encoding/xml for more details.")
+	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.KeepNamespace, "xml-keep-namespace", true, "enables keeping namespace after parsing attributes")
+	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.UseRawToken, "xml-raw-token", true, "enables using RawToken method instead Token. Commonly disables namespace translations. See https://pkg.go.dev/encoding/xml#Decoder.RawToken for details.")
+	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.ProcInstPrefix, "xml-proc-inst-prefix", "+p_", "prefix for xml processing instructions (e.g. <?xml version=\"1\"?>)")
+	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.DirectiveName, "xml-directive-name", "+directive", "name for xml directives (e.g. <!DOCTYPE thing cat>)")
+	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.SkipProcInst, "xml-skip-proc-inst", false, "skip over process instructions (e.g. <?xml version=\"1\"?>)")
+	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.SkipDirectives, "xml-skip-directives", false, "skip over directives (e.g. <!DOCTYPE thing cat>)")
+
+	rootCmd.PersistentFlags().BoolVarP(&nullInput, "null-input", "n", false, "Don't read input, simply evaluate the expression given. Useful for creating docs from scratch.")
+	rootCmd.PersistentFlags().BoolVarP(&noDocSeparators, "no-doc", "N", false, "Don't print document separators (---)")
+
+	rootCmd.PersistentFlags().IntVarP(&indent, "indent", "I", 2, "sets indent level for output")
+	rootCmd.Flags().BoolVarP(&version, "version", "V", false, "Print version information and quit")
+	rootCmd.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the file inplace of first file given.")
+	rootCmd.PersistentFlags().BoolVarP(&unwrapScalar, "unwrapScalar", "r", true, "unwrap scalar, print the value with no quotes, colors or comments")
+	rootCmd.PersistentFlags().BoolVarP(&prettyPrint, "prettyPrint", "P", false, "pretty print, shorthand for '... style = \"\"'")
+	rootCmd.PersistentFlags().BoolVarP(&exitStatus, "exit-status", "e", false, "set exit status if there are no matches or null or false is returned")
+
+	rootCmd.PersistentFlags().BoolVarP(&forceColor, "colors", "C", false, "force print with colors")
+	rootCmd.PersistentFlags().BoolVarP(&forceNoColor, "no-colors", "M", false, "force print with no colors")
+	rootCmd.PersistentFlags().StringVarP(&frontMatter, "front-matter", "f", "", "(extract|process) first input as yaml front-matter. Extract will pull out the yaml content, process will run the expression against the yaml content, leaving the remaining data intact")
+	rootCmd.PersistentFlags().StringVarP(&forceExpression, "expression", "", "", "forcibly set the expression argument. Useful when yq argument detection thinks your expression is a file.")
+	rootCmd.PersistentFlags().BoolVarP(&yqlib.ConfiguredYamlPreferences.LeadingContentPreProcessing, "header-preprocess", "", true, "Slurp any header comments and separators before processing expression.")
+
+	rootCmd.PersistentFlags().StringVarP(&splitFileExp, "split-exp", "s", "", "print each result (or doc) into a file named (exp). [exp] argument must return a string. You can use $index in the expression as the result counter.")
+	rootCmd.PersistentFlags().StringVarP(&splitFileExpFile, "split-exp-file", "", "", "Use a file to specify the split-exp expression.")
+
+	rootCmd.PersistentFlags().StringVarP(&expressionFile, "from-file", "", "", "Load expression from specified file.")
+
+	rootCmd.AddCommand(
+		createEvaluateSequenceCommand(),
+		createEvaluateAllCommand(),
+		completionCmd,
+	)
+	return rootCmd
+}

cmd/shell-completion.go

@@ -0,0 +1,61 @@
+package cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+var completionCmd = &cobra.Command{
+	Use:   "shell-completion [bash|zsh|fish|powershell]",
+	Short: "Generate completion script",
+	Long: `To load completions:
+
+Bash:
+
+$ source <(yq shell-completion bash)
+
+# To load completions for each session, execute once:
+Linux:
+  $ yq shell-completion bash > /etc/bash_completion.d/yq
+MacOS:
+  $ yq shell-completion bash > /usr/local/etc/bash_completion.d/yq
+
+Zsh:
+
+# If shell completion is not already enabled in your environment you will need
+# to enable it.  You can execute the following once:
+
+$ echo "autoload -U compinit; compinit" >> ~/.zshrc
+
+# To load completions for each session, execute once:
+$ yq shell-completion zsh > "${fpath[1]}/_yq"
+
+# You will need to start a new shell for this setup to take effect.
+
+Fish:
+
+$ yq shell-completion fish | source
+
+# To load completions for each session, execute once:
+$ yq shell-completion fish > ~/.config/fish/completions/yq.fish
+`,
+	DisableFlagsInUseLine: true,
+	ValidArgs:             []string{"bash", "zsh", "fish", "powershell"},
+	Args:                  cobra.MatchAll(cobra.ExactArgs(1), cobra.OnlyValidArgs),
+	RunE: func(cmd *cobra.Command, args []string) error {
+		var err error = nil
+		switch args[0] {
+		case "bash":
+			err = cmd.Root().GenBashCompletion(os.Stdout)
+		case "zsh":
+			err = cmd.Root().GenZshCompletion(os.Stdout)
+		case "fish":
+			err = cmd.Root().GenFishCompletion(os.Stdout, true)
+		case "powershell":
+			err = cmd.Root().GenPowerShellCompletion(os.Stdout)
+		}
+		return err
+
+	},
+}

cmd/utils.go

@@ -0,0 +1,178 @@
+package cmd
+
+import (
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/mikefarah/yq/v4/pkg/yqlib"
+	"github.com/spf13/cobra"
+	"gopkg.in/op/go-logging.v1"
+)
+
+func initCommand(cmd *cobra.Command, args []string) (string, []string, error) {
+	cmd.SilenceUsage = true
+
+	fileInfo, _ := os.Stdout.Stat()
+
+	if forceColor || (!forceNoColor && (fileInfo.Mode()&os.ModeCharDevice) != 0) {
+		colorsEnabled = true
+	}
+
+	expression, args, err := processArgs(args)
+	if err != nil {
+		return "", nil, err
+	}
+
+	if splitFileExpFile != "" {
+		splitExpressionBytes, err := os.ReadFile(splitFileExpFile)
+		if err != nil {
+			return "", nil, err
+		}
+		splitFileExp = string(splitExpressionBytes)
+	}
+
+	// backwards compatibility
+	if outputToJSON {
+		outputFormat = "json"
+	}
+
+	if writeInplace && (len(args) == 0 || args[0] == "-") {
+		return "", nil, fmt.Errorf("write inplace flag only applicable when giving an expression and at least one file")
+	}
+
+	if frontMatter != "" && len(args) == 0 {
+		return "", nil, fmt.Errorf("front matter flag only applicable when giving an expression and at least one file")
+	}
+
+	if writeInplace && splitFileExp != "" {
+		return "", nil, fmt.Errorf("write inplace cannot be used with split file")
+	}
+
+	if nullInput && len(args) > 0 {
+		return "", nil, fmt.Errorf("cannot pass files in when using null-input flag")
+	}
+
+	return expression, args, nil
+}
+
+func configureDecoder(evaluateTogether bool) (yqlib.Decoder, error) {
+	yqlibInputFormat, err := yqlib.InputFormatFromString(inputFormat)
+	if err != nil {
+		return nil, err
+	}
+	switch yqlibInputFormat {
+	case yqlib.XMLInputFormat:
+		return yqlib.NewXMLDecoder(yqlib.ConfiguredXMLPreferences), nil
+	case yqlib.PropertiesInputFormat:
+		return yqlib.NewPropertiesDecoder(), nil
+	case yqlib.JsonInputFormat:
+		return yqlib.NewJSONDecoder(), nil
+	case yqlib.CSVObjectInputFormat:
+		return yqlib.NewCSVObjectDecoder(','), nil
+	case yqlib.TSVObjectInputFormat:
+		return yqlib.NewCSVObjectDecoder('\t'), nil
+	}
+	prefs := yqlib.ConfiguredYamlPreferences
+	prefs.EvaluateTogether = evaluateTogether
+	return yqlib.NewYamlDecoder(prefs), nil
+}
+
+func configurePrinterWriter(format yqlib.PrinterOutputFormat, out io.Writer) (yqlib.PrinterWriter, error) {
+
+	var printerWriter yqlib.PrinterWriter
+
+	if splitFileExp != "" {
+		colorsEnabled = forceColor
+		splitExp, err := yqlib.ExpressionParser.ParseExpression(splitFileExp)
+		if err != nil {
+			return nil, fmt.Errorf("bad split document expression: %w", err)
+		}
+		printerWriter = yqlib.NewMultiPrinterWriter(splitExp, format)
+	} else {
+		printerWriter = yqlib.NewSinglePrinterWriter(out)
+	}
+	return printerWriter, nil
+}
+
+func configureEncoder(format yqlib.PrinterOutputFormat) yqlib.Encoder {
+	switch format {
+	case yqlib.JSONOutputFormat:
+		return yqlib.NewJSONEncoder(indent, colorsEnabled)
+	case yqlib.PropsOutputFormat:
+		return yqlib.NewPropertiesEncoder(unwrapScalar)
+	case yqlib.CSVOutputFormat:
+		return yqlib.NewCsvEncoder(',')
+	case yqlib.TSVOutputFormat:
+		return yqlib.NewCsvEncoder('\t')
+	case yqlib.YamlOutputFormat:
+		return yqlib.NewYamlEncoder(indent, colorsEnabled, yqlib.ConfiguredYamlPreferences)
+	case yqlib.XMLOutputFormat:
+		return yqlib.NewXMLEncoder(indent, yqlib.ConfiguredXMLPreferences)
+	}
+	panic("invalid encoder")
+}
+
+// this is a hack to enable backwards compatibility with githubactions (which pipe /dev/null into everything)
+// and being able to call yq with the filename as a single parameter
+//
+// without this - yq detects there is stdin (thanks githubactions),
+// then tries to parse the filename as an expression
+func maybeFile(str string) bool {
+	yqlib.GetLogger().Debugf("checking '%v' is a file", str)
+	stat, err := os.Stat(str) // #nosec
+	result := err == nil && !stat.IsDir()
+	if yqlib.GetLogger().IsEnabledFor(logging.DEBUG) {
+		if err != nil {
+			yqlib.GetLogger().Debugf("error: %v", err)
+		} else {
+			yqlib.GetLogger().Debugf("error: %v, dir: %v", err, stat.IsDir())
+		}
+		yqlib.GetLogger().Debugf("result: %v", result)
+	}
+	return result
+}
+
+func processStdInArgs(args []string) []string {
+	stat, _ := os.Stdin.Stat()
+	pipingStdin := (stat.Mode() & os.ModeCharDevice) == 0
+
+	// if we've been given a file, don't automatically
+	// read from stdin.
+	// this happens if there is more than one argument
+	// or only one argument and its a file
+	if nullInput || !pipingStdin || len(args) > 1 || (len(args) > 0 && maybeFile(args[0])) {
+		return args
+	}
+
+	for _, arg := range args {
+		if arg == "-" {
+			return args
+		}
+	}
+	yqlib.GetLogger().Debugf("missing '-', adding it to the end")
+
+	// we're piping from stdin, but there's no '-' arg
+	// lets add one to the end
+	return append(args, "-")
+}
+
+func processArgs(originalArgs []string) (string, []string, error) {
+	expression := forceExpression
+	if expressionFile != "" {
+		expressionBytes, err := os.ReadFile(expressionFile)
+		if err != nil {
+			return "", nil, err
+		}
+		expression = string(expressionBytes)
+	}
+
+	args := processStdInArgs(originalArgs)
+	yqlib.GetLogger().Debugf("processed args: %v", args)
+	if expression == "" && len(args) > 0 && args[0] != "-" && !maybeFile(args[0]) {
+		yqlib.GetLogger().Debug("assuming expression is '%v'", args[0])
+		expression = args[0]
+		args = args[1:]
+	}
+	return expression, args, nil
+}

cmd/version.go

@@ -1,4 +1,4 @@
-package main
+package cmd
 
 import (
 	"fmt"
@@ -11,7 +11,7 @@ var (
 	GitDescribe string
 
 	// Version is main version number that is being run at the moment.
-	Version = "2.4.1"
+	Version = "4.28.2"
 
 	// VersionPrerelease is a pre-release marker for the version. If this is "" (empty string)
 	// then it means that it is a final release. Otherwise, this is a pre-release
@@ -25,7 +25,7 @@ const ProductName = "yq"
 // GetVersionDisplay composes the parts of the version in a way that's suitable
 // for displaying to humans.
 func GetVersionDisplay() string {
-	return fmt.Sprintf("%s version %s\n", ProductName, getHumanVersion())
+	return fmt.Sprintf("yq (https://github.com/mikefarah/yq/) version %s\n", getHumanVersion())
 }
 
 func getHumanVersion() string {

cmd/version_test.go

@@ -1,9 +1,9 @@
-package main
+package cmd
 
 import "testing"
 
 func TestGetVersionDisplay(t *testing.T) {
-	var expectedVersion = ProductName + " version " + Version
+	var expectedVersion = ProductName + " (https://github.com/mikefarah/yq/) version " + Version
 	if VersionPrerelease != "" {
 		expectedVersion = expectedVersion + "-" + VersionPrerelease
 	}

data_navigator.go

@@ -1,349 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"reflect"
-	"strconv"
-	"strings"
-
-	yaml "github.com/mikefarah/yaml/v2"
-)
-
-func matchesKey(key string, actual interface{}) bool {
-	var actualString = fmt.Sprintf("%v", actual)
-	var prefixMatch = strings.TrimSuffix(key, "*")
-	if prefixMatch != key {
-		return strings.HasPrefix(actualString, prefixMatch)
-	}
-	return actualString == key
-}
-
-func entriesInSlice(context yaml.MapSlice, key string) []*yaml.MapItem {
-	var matches = make([]*yaml.MapItem, 0)
-	for idx := range context {
-		var entry = &context[idx]
-		if matchesKey(key, entry.Key) {
-			matches = append(matches, entry)
-		}
-	}
-	return matches
-}
-
-func getMapSlice(context interface{}) yaml.MapSlice {
-	var mapSlice yaml.MapSlice
-	switch context := context.(type) {
-	case yaml.MapSlice:
-		mapSlice = context
-	default:
-		mapSlice = make(yaml.MapSlice, 0)
-	}
-	return mapSlice
-}
-
-func getArray(context interface{}) (array []interface{}, ok bool) {
-	switch context := context.(type) {
-	case []interface{}:
-		array = context
-		ok = true
-	default:
-		array = make([]interface{}, 0)
-		ok = false
-	}
-	return
-}
-
-func writeMap(context interface{}, paths []string, value interface{}) interface{} {
-	log.Debugf("writeMap with path %v for %v to set value %v\n", paths, context, value)
-
-	mapSlice := getMapSlice(context)
-
-	if len(paths) == 0 {
-		return context
-	}
-
-	children := entriesInSlice(mapSlice, paths[0])
-
-	if len(children) == 0 && paths[0] == "*" {
-		log.Debugf("\tNo matches, return map as is")
-		return context
-	}
-
-	if len(children) == 0 {
-		newChild := yaml.MapItem{Key: paths[0]}
-		mapSlice = append(mapSlice, newChild)
-		children = entriesInSlice(mapSlice, paths[0])
-		log.Debugf("\tAppended child at %v for mapSlice %v\n", paths[0], mapSlice)
-	}
-
-	remainingPaths := paths[1:]
-	for _, child := range children {
-		child.Value = updatedChildValue(child.Value, remainingPaths, value)
-	}
-	log.Debugf("\tReturning mapSlice %v\n", mapSlice)
-	return mapSlice
-}
-
-func updatedChildValue(child interface{}, remainingPaths []string, value interface{}) interface{} {
-	if len(remainingPaths) == 0 {
-		return value
-	}
-	log.Debugf("updatedChildValue for child %v with path %v to set value %v", child, remainingPaths, value)
-	log.Debugf("type of child is %v", reflect.TypeOf(child))
-
-	switch child := child.(type) {
-	case nil:
-		if remainingPaths[0] == "+" || remainingPaths[0] == "*" {
-			return writeArray(child, remainingPaths, value)
-		}
-	case []interface{}:
-		_, nextIndexErr := strconv.ParseInt(remainingPaths[0], 10, 64)
-		arrayCommand := nextIndexErr == nil || remainingPaths[0] == "+" || remainingPaths[0] == "*"
-		if arrayCommand {
-			return writeArray(child, remainingPaths, value)
-		}
-	}
-	return writeMap(child, remainingPaths, value)
-}
-
-func writeArray(context interface{}, paths []string, value interface{}) []interface{} {
-	log.Debugf("writeArray with path %v for %v to set value %v\n", paths, context, value)
-	array, _ := getArray(context)
-
-	if len(paths) == 0 {
-		return array
-	}
-
-	log.Debugf("\tarray %v\n", array)
-
-	rawIndex := paths[0]
-	remainingPaths := paths[1:]
-	var index int64
-	// the append array indicator
-	if rawIndex == "+" {
-		index = int64(len(array))
-	} else if rawIndex == "*" {
-		for index, oldChild := range array {
-			array[index] = updatedChildValue(oldChild, remainingPaths, value)
-		}
-		return array
-	} else {
-		index, _ = strconv.ParseInt(rawIndex, 10, 64) // nolint
-		// writeArray is only called by updatedChildValue which handles parsing the
-		// index, as such this renders this dead code.
-	}
-
-	for index >= int64(len(array)) {
-		array = append(array, nil)
-	}
-	currentChild := array[index]
-
-	log.Debugf("\tcurrentChild %v\n", currentChild)
-
-	array[index] = updatedChildValue(currentChild, remainingPaths, value)
-	log.Debugf("\tReturning array %v\n", array)
-	return array
-}
-
-func readMap(context yaml.MapSlice, head string, tail []string) (interface{}, error) {
-	log.Debugf("readingMap %v with key %v\n", context, head)
-	if head == "*" {
-		return readMapSplat(context, tail)
-	}
-
-	entries := entriesInSlice(context, head)
-	if len(entries) == 1 {
-		return calculateValue(entries[0].Value, tail)
-	} else if len(entries) == 0 {
-		return nil, nil
-	}
-	var errInIdx error
-	values := make([]interface{}, len(entries))
-	for idx, entry := range entries {
-		values[idx], errInIdx = calculateValue(entry.Value, tail)
-		if errInIdx != nil {
-			log.Errorf("Error updating index %v in %v", idx, context)
-			return nil, errInIdx
-		}
-
-	}
-	return values, nil
-}
-
-func readMapSplat(context yaml.MapSlice, tail []string) (interface{}, error) {
-	var newArray = make([]interface{}, len(context))
-	var i = 0
-	for _, entry := range context {
-		if len(tail) > 0 {
-			val, err := recurse(entry.Value, tail[0], tail[1:])
-			if err != nil {
-				return nil, err
-			}
-			newArray[i] = val
-		} else {
-			newArray[i] = entry.Value
-		}
-		i++
-	}
-	return newArray, nil
-}
-
-func recurse(value interface{}, head string, tail []string) (interface{}, error) {
-	switch value := value.(type) {
-	case []interface{}:
-		if head == "*" {
-			return readArraySplat(value, tail)
-		}
-		index, err := strconv.ParseInt(head, 10, 64)
-		if err != nil {
-			return nil, fmt.Errorf("error accessing array: %v", err)
-		}
-		return readArray(value, index, tail)
-	case yaml.MapSlice:
-		return readMap(value, head, tail)
-	default:
-		return nil, nil
-	}
-}
-
-func readArray(array []interface{}, head int64, tail []string) (interface{}, error) {
-	if head >= int64(len(array)) {
-		return nil, nil
-	}
-
-	value := array[head]
-	return calculateValue(value, tail)
-}
-
-func readArraySplat(array []interface{}, tail []string) (interface{}, error) {
-	var newArray = make([]interface{}, len(array))
-	for index, value := range array {
-		val, err := calculateValue(value, tail)
-		if err != nil {
-			return nil, err
-		}
-		newArray[index] = val
-	}
-	return newArray, nil
-}
-
-func calculateValue(value interface{}, tail []string) (interface{}, error) {
-	if len(tail) > 0 {
-		return recurse(value, tail[0], tail[1:])
-	}
-	return value, nil
-}
-
-func deleteMap(context interface{}, paths []string) (yaml.MapSlice, error) {
-	log.Debugf("deleteMap for %v for %v\n", paths, context)
-
-	mapSlice := getMapSlice(context)
-
-	if len(paths) == 0 {
-		return mapSlice, nil
-	}
-
-	var index int
-	var child yaml.MapItem
-	for index, child = range mapSlice {
-		if matchesKey(paths[0], child.Key) {
-			log.Debugf("\tMatched [%v] with [%v] at index %v", paths[0], child.Key, index)
-			var badDelete error
-			mapSlice, badDelete = deleteEntryInMap(mapSlice, child, index, paths)
-			if badDelete != nil {
-				return nil, badDelete
-			}
-		}
-	}
-
-	return mapSlice, nil
-
-}
-
-func deleteEntryInMap(original yaml.MapSlice, child yaml.MapItem, index int, paths []string) (yaml.MapSlice, error) {
-	remainingPaths := paths[1:]
-
-	var newSlice yaml.MapSlice
-	if len(remainingPaths) > 0 {
-		newChild := yaml.MapItem{Key: child.Key}
-		var errorDeleting error
-		newChild.Value, errorDeleting = deleteChildValue(child.Value, remainingPaths)
-		if errorDeleting != nil {
-			return nil, errorDeleting
-		}
-
-		newSlice = make(yaml.MapSlice, len(original))
-		for i := range original {
-			item := original[i]
-			if i == index {
-				item = newChild
-			}
-			newSlice[i] = item
-		}
-	} else {
-		// Delete item from slice at index
-		newSlice = append(original[:index], original[index+1:]...)
-		log.Debugf("\tDeleted item index %d from original", index)
-	}
-
-	log.Debugf("\tReturning original %v\n", original)
-	return newSlice, nil
-}
-
-func deleteArraySplat(array []interface{}, tail []string) (interface{}, error) {
-	log.Debugf("deleteArraySplat for %v for %v\n", tail, array)
-	var newArray = make([]interface{}, len(array))
-	for index, value := range array {
-		val, err := deleteChildValue(value, tail)
-		if err != nil {
-			return nil, err
-		}
-		newArray[index] = val
-	}
-	return newArray, nil
-}
-
-func deleteArray(array []interface{}, paths []string, index int64) (interface{}, error) {
-	log.Debugf("deleteArray for %v for %v\n", paths, array)
-
-	if index >= int64(len(array)) {
-		return array, nil
-	}
-
-	remainingPaths := paths[1:]
-	if len(remainingPaths) > 0 {
-		// Recurse into the array element at index
-		var errorDeleting error
-		array[index], errorDeleting = deleteMap(array[index], remainingPaths)
-		if errorDeleting != nil {
-			return nil, errorDeleting
-		}
-
-	} else {
-		// Delete the array element at index
-		array = append(array[:index], array[index+1:]...)
-		log.Debugf("\tDeleted item index %d from array, leaving %v", index, array)
-	}
-
-	log.Debugf("\tReturning array: %v\n", array)
-	return array, nil
-}
-
-func deleteChildValue(child interface{}, remainingPaths []string) (interface{}, error) {
-	log.Debugf("deleteChildValue for %v for %v\n", remainingPaths, child)
-	var head = remainingPaths[0]
-	var tail = remainingPaths[1:]
-	switch child := child.(type) {
-	case yaml.MapSlice:
-		return deleteMap(child, remainingPaths)
-	case []interface{}:
-		if head == "*" {
-			return deleteArraySplat(child, tail)
-		}
-		index, err := strconv.ParseInt(head, 10, 64)
-		if err != nil {
-			return nil, fmt.Errorf("error accessing array: %v", err)
-		}
-		return deleteArray(child, remainingPaths, index)
-	}
-	return child, nil
-}

data_navigator_test.go

@@ -1,399 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"sort"
-	"testing"
-)
-
-func TestReadMap_simple(t *testing.T) {
-	var data = parseData(`
----
-b:
-  c: 2
-`)
-	got, _ := readMap(data, "b", []string{"c"})
-	assertResult(t, 2, got)
-}
-
-func TestReadMap_numberKey(t *testing.T) {
-	var data = parseData(`
----
-200: things
-`)
-	got, _ := readMap(data, "200", []string{})
-	assertResult(t, "things", got)
-}
-
-func TestReadMap_splat(t *testing.T) {
-	var data = parseData(`
----
-mapSplat:
-  item1: things
-  item2: whatever
-  otherThing: cat
-`)
-	res, _ := readMap(data, "mapSplat", []string{"*"})
-	assertResult(t, "[things whatever cat]", fmt.Sprintf("%v", res))
-}
-
-func TestReadMap_prefixSplat(t *testing.T) {
-	var data = parseData(`
----
-mapSplat:
-  item1: things
-  item2: whatever
-  otherThing: cat
-`)
-	res, _ := readMap(data, "mapSplat", []string{"item*"})
-	assertResult(t, "[things whatever]", fmt.Sprintf("%v", res))
-}
-
-func TestReadMap_deep_splat(t *testing.T) {
-	var data = parseData(`
----
-mapSplatDeep:
-  item1:
-    cats: bananas
-  item2:
-    cats: apples
-`)
-
-	res, _ := readMap(data, "mapSplatDeep", []string{"*", "cats"})
-	result := res.([]interface{})
-	var actual = []string{result[0].(string), result[1].(string)}
-	sort.Strings(actual)
-	assertResult(t, "[apples bananas]", fmt.Sprintf("%v", actual))
-}
-
-func TestReadMap_key_doesnt_exist(t *testing.T) {
-	var data = parseData(`
----
-b:
-  c: 2
-`)
-	got, _ := readMap(data, "b.x.f", []string{"c"})
-	assertResult(t, nil, got)
-}
-
-func TestReadMap_recurse_against_string(t *testing.T) {
-	var data = parseData(`
----
-a: cat
-`)
-	got, _ := readMap(data, "a", []string{"b"})
-	assertResult(t, nil, got)
-}
-
-func TestReadMap_with_array(t *testing.T) {
-	var data = parseData(`
----
-b:
-  d:
-    - 3
-    - 4
-`)
-	got, _ := readMap(data, "b", []string{"d", "1"})
-	assertResult(t, 4, got)
-}
-
-func TestReadMap_with_array_and_bad_index(t *testing.T) {
-	var data = parseData(`
----
-b:
-  d:
-    - 3
-    - 4
-`)
-	_, err := readMap(data, "b", []string{"d", "x"})
-	if err == nil {
-		t.Fatal("Expected error due to invalid path")
-	}
-	expectedOutput := `error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
-	assertResult(t, expectedOutput, err.Error())
-}
-
-func TestReadMap_with_mapsplat_array_and_bad_index(t *testing.T) {
-	var data = parseData(`
----
-b:
-  d:
-    e:
-      - 3
-      - 4
-    f:
-      - 1
-      - 2
-`)
-	_, err := readMap(data, "b", []string{"d", "*", "x"})
-	if err == nil {
-		t.Fatal("Expected error due to invalid path")
-	}
-	expectedOutput := `error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
-	assertResult(t, expectedOutput, err.Error())
-}
-
-func TestReadMap_with_arraysplat_map_array_and_bad_index(t *testing.T) {
-	var data = parseData(`
----
-b:
-  d:
-    - names:
-        - fred
-        - smith
-    - names:
-        - sam
-        - bo
-`)
-	_, err := readMap(data, "b", []string{"d", "*", "names", "x"})
-	if err == nil {
-		t.Fatal("Expected error due to invalid path")
-	}
-	expectedOutput := `error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
-	assertResult(t, expectedOutput, err.Error())
-}
-
-func TestReadMap_with_array_out_of_bounds(t *testing.T) {
-	var data = parseData(`
----
-b:
-  d:
-    - 3
-    - 4
-`)
-	got, _ := readMap(data, "b", []string{"d", "3"})
-	assertResult(t, nil, got)
-}
-
-func TestReadMap_with_array_out_of_bounds_by_1(t *testing.T) {
-	var data = parseData(`
----
-b:
-  d:
-    - 3
-    - 4
-`)
-	got, _ := readMap(data, "b", []string{"d", "2"})
-	assertResult(t, nil, got)
-}
-
-func TestReadMap_with_array_splat(t *testing.T) {
-	var data = parseData(`
-e:
-  -
-    name: Fred
-    thing: cat
-  -
-    name: Sam
-    thing: dog
-`)
-	got, _ := readMap(data, "e", []string{"*", "name"})
-	assertResult(t, "[Fred Sam]", fmt.Sprintf("%v", got))
-}
-
-func TestWrite_really_simple(t *testing.T) {
-	var data = parseData(`
-    b: 2
-`)
-
-	updated := writeMap(data, []string{"b"}, "4")
-	assertResult(t, "[{b 4}]", fmt.Sprintf("%v", updated))
-}
-
-func TestWrite_simple(t *testing.T) {
-	var data = parseData(`
-b:
-  c: 2
-`)
-
-	updated := writeMap(data, []string{"b", "c"}, "4")
-	assertResult(t, "[{b [{c 4}]}]", fmt.Sprintf("%v", updated))
-}
-
-func TestWrite_new(t *testing.T) {
-	var data = parseData(`
-b:
-  c: 2
-`)
-
-	updated := writeMap(data, []string{"b", "d"}, "4")
-	assertResult(t, "[{b [{c 2} {d 4}]}]", fmt.Sprintf("%v", updated))
-}
-
-func TestWrite_new_deep(t *testing.T) {
-	var data = parseData(`
-b:
-  c: 2
-`)
-
-	updated := writeMap(data, []string{"b", "d", "f"}, "4")
-	assertResult(t, "[{b [{c 2} {d [{f 4}]}]}]", fmt.Sprintf("%v", updated))
-}
-
-func TestWrite_array(t *testing.T) {
-	var data = parseData(`
-b:
-  - aa
-`)
-
-	updated := writeMap(data, []string{"b", "0"}, "bb")
-
-	assertResult(t, "[{b [bb]}]", fmt.Sprintf("%v", updated))
-}
-
-func TestWrite_new_array(t *testing.T) {
-	var data = parseData(`
-b:
-  c: 2
-`)
-
-	updated := writeMap(data, []string{"b", "0"}, "4")
-	assertResult(t, "[{b [{c 2} {0 4}]}]", fmt.Sprintf("%v", updated))
-}
-
-func TestWrite_new_array_deep(t *testing.T) {
-	var data = parseData(`
-a: apple
-`)
-
-	var expected = `a: apple
-b:
-- c: "4"`
-
-	updated := writeMap(data, []string{"b", "+", "c"}, "4")
-	got, _ := yamlToString(updated)
-	assertResult(t, expected, got)
-}
-
-func TestWrite_new_map_array_deep(t *testing.T) {
-	var data = parseData(`
-b:
-  c: 2
-`)
-	var expected = `b:
-  c: 2
-  d:
-  - "4"`
-
-	updated := writeMap(data, []string{"b", "d", "+"}, "4")
-	got, _ := yamlToString(updated)
-	assertResult(t, expected, got)
-}
-
-func TestWrite_add_to_array(t *testing.T) {
-	var data = parseData(`
-b:
-  - aa
-`)
-
-	var expected = `b:
-- aa
-- bb`
-
-	updated := writeMap(data, []string{"b", "1"}, "bb")
-	got, _ := yamlToString(updated)
-	assertResult(t, expected, got)
-}
-
-func TestWrite_with_no_tail(t *testing.T) {
-	var data = parseData(`
-b:
-  c: 2
-`)
-	updated := writeMap(data, []string{"b"}, "4")
-
-	assertResult(t, "[{b 4}]", fmt.Sprintf("%v", updated))
-}
-
-func TestWriteMap_no_paths(t *testing.T) {
-	var data = parseData(`
-b: 5
-`)
-
-	result := writeMap(data, []string{}, 4)
-	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
-}
-
-func TestWriteArray_no_paths(t *testing.T) {
-	var data = make([]interface{}, 1)
-	data[0] = "mike"
-	result := writeArray(data, []string{}, 4)
-	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
-}
-
-func TestDelete_MapItem(t *testing.T) {
-	var data = parseData(`
-a: 123
-b: 456
-`)
-	var expected = parseData(`
-b: 456
-`)
-
-	result, _ := deleteMap(data, []string{"a"})
-	assertResult(t, fmt.Sprintf("%v", expected), fmt.Sprintf("%v", result))
-}
-
-// Ensure deleting an index into a string does nothing
-func TestDelete_index_to_string(t *testing.T) {
-	var data = parseData(`
-a: mystring
-`)
-	result, _ := deleteMap(data, []string{"a", "0"})
-	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
-}
-
-func TestDelete_list_index(t *testing.T) {
-	var data = parseData(`
-a: [3, 4]
-`)
-	var expected = parseData(`
-a: [3]
-`)
-	result, _ := deleteMap(data, []string{"a", "1"})
-	assertResult(t, fmt.Sprintf("%v", expected), fmt.Sprintf("%v", result))
-}
-
-func TestDelete_list_index_beyond_bounds(t *testing.T) {
-	var data = parseData(`
-a: [3, 4]
-`)
-	result, _ := deleteMap(data, []string{"a", "5"})
-	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
-}
-
-func TestDelete_list_index_out_of_bounds_by_1(t *testing.T) {
-	var data = parseData(`
-a: [3, 4]
-`)
-	result, _ := deleteMap(data, []string{"a", "2"})
-	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
-}
-
-func TestDelete_no_paths(t *testing.T) {
-	var data = parseData(`
-a: [3, 4]
-b:
-  - name: test
-`)
-	result, _ := deleteMap(data, []string{})
-	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
-}
-
-func TestDelete_array_map_item(t *testing.T) {
-	var data = parseData(`
-b:
-- name: fred
-  value: blah
-- name: john
-  value: test
-`)
-	var expected = parseData(`
-b:
-- value: blah
-- name: john
-  value: test
-`)
-	result, _ := deleteMap(data, []string{"b", "0", "name"})
-	assertResult(t, fmt.Sprintf("%v", expected), fmt.Sprintf("%v", result))
-}

debian/changelog

@@ -1,3 +1,182 @@
+yq (4.16.2) focal; urgency=medium
+
+  * Fixed with semicolon space issue
+  * Updating with documentation
+  * Added STDIN example to the top
+  * minor readme cleanup
+  * Help text tweak
+  * Fixed docker timeout - simplify docker builds
+  * New release with docker build fixes
+  * Updating to go 1.17 to fix CVE #944
+  * Fix a typo in root.go
+  * Skip the tests if the nocheck Debian build option is specified
+  * Fixed select bug (#958)
+  * Sped up explode operator
+  * Slight performance improvement to context.ChildContext
+  * Speed up multiply
+  * Update README with recently added / changed options
+  * Make deepMatch report in linear time
+  * Removed leadingContentPreProcessing flag - header preprocessing is stable
+  * Revert "Removed leadingContentPreProcessing flag - header preprocessing is stable"
+  * Keep flag, it is needed in corner cases
+  * Updated Readme
+  * Man page
+  * Fixed expression parsing bug #970
+  * Bumping go-lang, docker versions
+  * Added test release flow
+  * Updated github action release to generate man page
+  * Bumping version
+  * Removing no longer needed github action
+  * Added decoder op
+  * Fixed newline handling when decoding/encoding
+  * Fixed newline handling in encoder/decoder
+  * Can specify indent in encode ops
+  * Added group_by operator
+  * Added flatten operator
+  * Fixed flatten error message
+  * Improving docs
+  * Split printer
+  * Refactored command logic
+  * Fix JSON encoding removing null #985
+  * Fixed acceptance tests
+  * gitbook
+  * Update document generation script
+  * Updating README
+  * Updating release instructions
+  * github action no longer uses data1.yml
+  * Create dependabot.yml
+  * Bump actions/create-release from 1.0.0 to 1.1.4
+  * Bump actions/setup-go from 1 to 2.1.4
+  * Bump github.com/goccy/go-yaml from 1.8.9 to 1.9.4
+  * Bump github.com/jinzhu/copier from 0.2.8 to 0.3.2
+  * Bump github.com/fatih/color from 1.10.0 to 1.13.0
+  * Bump github.com/spf13/cobra from 1.1.3 to 1.2.1
+  * Update dependabot.yml
+  * Update go.yml
+  * add build check to PRs
+  * Include secure as part of build process
+  * Fixing bad label in github action
+  * fixed printer test
+  * remove leading content indicator
+  * Fixed header preprocessing!
+  * lint : define golangci configuration file
+  * Update check.sh
+  * Load file acceptance test
+  * Minor improvement on handling front matter
+  * Improved load doc
+  * feature: detect MANPATh and install there
+  * Update install-man-page.sh
+  * simplify prod stage, move version label to action
+  * add labels, quote some values
+  * enable errorlint linter
+  * Added errorlint to devtools
+  * Added key operator
+  * Added more tests
+  * Fixing comments
+  * Attempt to fix golint problem
+  * Include version query for tools
+  * Clean up errored file?
+  * enable misspell linter
+  * updated readme
+  * update Golangci version to v1.43.0
+  * gci linter
+  * Better merge array by key example
+  * Added credit for merge by array example
+  * Better formatting of merge arrays example
+  * Better merge example
+  * Add accessor for the yq logger instance (#1013)
+  * Fixed collect op when working with multiple nodes
+  * Added map, map_values
+  * Add support for Podman as well as Docker (#1026)
+  * Bump github.com/jinzhu/copier from 0.3.2 to 0.3.4 (#1027)
+  * Added csv, tsv output formats
+  * Added encoder tests
+  * Cleanup test
+  * Fixed docker permission issue #1014
+  * Recording release notes for next release
+  * Assignment op no longer clobbers anchor (#1029)
+  * Added sort_by operator
+  * Improved error message
+  * Improved tips and tricks
+  * Report while filename failed to parse #1030
+  * Added script for extracting checksums
+  * Improved extract-checksum.sh
+  * Bump github.com/spf13/cobra from 1.2.1 to 1.3.0 (#1039)
+  * enable more linters (#1043)
+  * Bump golang compiler #1037
+
+ -- Roberto Mier Escandon <rmescandon@gmail.com>  Tue, 21 Dec 2021 09:41:44 +0000
+
+yq (4.13.0) focal; urgency=medium
+
+  * New `with` operator for making multiple changes to a given path
+  * New `contains` operator, works like the `jq` equivalent
+  * Subtract operator now supports subtracting elements from arrays!
+  * Fixed Swapping values using variables #934
+  * Github Action now properly supports multiline output #936, thanks @pjxiao
+  * Fixed missing closing bracket validation #932
+  * Fix processing of hex numbers #929
+  * Fixed alternative and union operator issues #930
+  * Can now convert yaml to properties properties format (`-o=props`), See [docs](https://mikefarah.gitbook.io/yq/v/v4.x/usage/properties) for more info.
+  * Fixed document header/footer comment handling when merging (https://github.com/mikefarah/yq/issues/919)
+  * pretty print yaml 1.1 compatibility  (https://github.com/mikefarah/yq/issues/914)
+
+ -- Roberto Mier Escandon <rmescandon@gmail.com>  Thu, 16 Sep 2021 20:58:30 +0200
+
+yq (4.9.6) focal; urgency=medium
+
+  * Added darwin/arm64 build, thanks @alecthomas
+  * Incremented docker alpine base version, thanks @da6d6i7-bronga
+  * Bug fix: multine expression
+  * Bug fix: special character
+
+ -- Roberto Mier Escandon <rmescandon@gmail.com>  Tue, 29 Jun 2021 21:32:14 +0200
+
+yq (3.3.2) focal; urgency=medium
+
+  * Bug fix: existStatus bug (#459)
+  * Automatically makes a os temp directory if it does not exist (#461)
+
+ -- Roberto Mier Escandon <rmescandon@gmail.com>  Fri, 07 Aug 2020 18:53:01 +0200
+
+yq (3.3-0) focal; urgency=medium
+
+  * You can control string styles (quotes) using the new --style flag
+  * String values now always have quotes when outputting to json
+  * Negative array indices now traverse the array backwards
+  * Added a --stripComments flag to print yaml without any comments
+  * Bumped go to version 1.14
+
+ -- Roberto Mier Escandon <rmescandon@gmail.com>  Thu, 30 Apr 2020 20:45:44 +0200
+
+yq (3.1-2) eoan; urgency=medium
+
+  * Bug fix: yq 3 was removing empty inline-style objects and arrays (#355)
+  * Bug fix: Merge option returned different output when switching order of 
+    merging files(#347)
+  * Bug fix: Add new object to existing array object was failing in 3.1.1 (#361)
+  * Bug fix: yq 3 empty keys did not allow merging of values (#356)
+  * Bug fix: keys quoted during merge (#363)
+  * Bug fix: Correct length with wc -l (#362)
+  * Bug fix: Write to empty document removed path (#359)
+
+ -- Roberto Mier Escandon <rmescandon@gmail.com>  Mon, 24 Feb 2020 20:31:58 +0100
+
+yq (3.1-1) eoan; urgency=medium
+
+  * Keeps yaml comments and formatting, can specify yaml tags when updating.
+  * Handles anchors
+  * Can print out matching paths and values when splatting
+  * JSON output works for all commands
+  * Yaml files with multiple documents are printed out as one JSON 
+    document per line.
+  * Deep splat (**) to match arbitrary paths
+  * Update scripts file format has changed to be more powerful
+  * Reading and splatting, matching results are printed once per line
+  * Bugfixing
+
+ -- Roberto Mier Escandon <rmescandon@gmail.com>  Tue, 11 Feb 2020 22:18:24 +0100
+
 yq (2.2-1) bionic; urgency=medium
 
   * Added Windows support for the "--inplace" command flag

debian/compat

@@ -1 +1 @@
-9
+10

debian/control

@@ -1,22 +1,22 @@
 Source: yq
 Section: devel
-Priority: extra
+Priority: optional
 Maintainer: Roberto Mier Escandón <rmescandon@gmail.com>
-Build-Depends: debhelper (>= 9),
-               dh-golang,
-               golang-1.10-go,
+Build-Depends: debhelper (>=10),
+               golang-1.17-go,
+               pandoc,
                rsync
-Standards-Version: 3.9.6
+Standards-Version: 4.1.4
 Homepage: https://github.com/mikefarah/yq.git
 Vcs-Browser: https://github.com/mikefarah/yq.git
 Vcs-Git: https://github.com/mikefarah/yq.git
+XS-Go-Import-Path: github.com/mikefarah/yq
+XSBC-Original-Maintainer: Roberto Mier Escandón <rmescandon@gmail.com>
 
 Package: yq
 Architecture: any
-Built-Using: ${misc:Built-Using}
-Depends: ${shlibs:Depends},
-         ${misc:Depends}
-Description:
- a lightweight and portable command-line YAML processor
+Depends: ${shlibs:Depends}, ${misc:Depends}
+Description: lightweight and portable command-line YAML processor
  .
- The aim of the project is to be the [jq](https://github.com/stedolan/jq) or sed of yaml files.
+ The aim of the project is to be the 
+ [jq](https://github.com/stedolan/jq) or sed of yaml files.

debian/copyright

@@ -3,5 +3,22 @@ Upstream-Name: yq
 Source: https://github.com/mikefarah/yq.git
 
 Files: *
-Copyright: 2017 Mike Farah Ltd. All rights reserved
-License: Proprietary
+Copyright: 2017 Mike Farah
+License: Expat
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+    .
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+    .
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.

debian/rules

@@ -1,6 +1,6 @@
 #!/usr/bin/make -f
 #
-# Copyright (C) 2018 Roberto Mier Escandón <rmescandon@gmail.com>
+# Copyright (C) 2018-2021 Roberto Mier Escandón <rmescandon@gmail.com>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
@@ -14,46 +14,61 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-
 PROJECT := yq
 OWNER := mikefarah
 REPO := github.com
-GOVERSION := 1.10
+
 export DH_OPTIONS
 export DH_GOPKG := ${REPO}/${OWNER}/${PROJECT}
-export GOROOT := /usr/lib/go-${GOVERSION}
+export GOROOT := /usr/local/go
 export GOPATH := ${CURDIR}/_build
 export GOBIN := ${GOPATH}/bin
 export PATH := ${GOROOT}/bin:${GOBIN}:${PATH}
-BLDPATH := $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
-SRCDIR := ${CURDIR}/_build/src/${DH_GOPKG}
+export GOCACHE := /tmp/gocache
+export GOFLAGS := -mod=vendor
+export GO111MODULE := on
+
+SRCDIR := ${GOPATH}/src/${DH_GOPKG}
 DESTDIR := ${CURDIR}/debian/${PROJECT}
 BINDIR := /usr/bin
+MANDIR := /usr/share/man/man1/
 ASSETSDIR := /usr/share/${PROJECT}
 
 %:
-	dh $@ --buildsystem=golang --with=golang
+	dh $@
 
 override_dh_auto_build:
 	mkdir -p ${SRCDIR}
 	mkdir -p ${GOBIN}
 	# copy project to local srcdir to build from there
-	rsync -avz --progress --exclude=obj-${BLDPATH} --exclude=debian . $(SRCDIR)
+	rsync -avz --progress --exclude=_build --exclude=debian --exclude=tmp. --exclude=go.mod --exclude=docs . $(SRCDIR)
 	# build go code
-	(cd ${SRCDIR} && go install ./...)
+	( \
+		cd ${SRCDIR} && \
+		go install -buildmode=pie ./... \
+	)
 
+	# build man page
+	( \
+		cd ${SRCDIR} && \
+		./scripts/generate-man-page-md.sh && \
+		./scripts/generate-man-page.sh \
+	)
+	
 override_dh_auto_test:
+ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
 	(cd ${SRCDIR} && go test -v ./...)
+endif
 
 override_dh_auto_install:
-	mkdir -p ${DESTDIR}/${BINDIR}
-	mkdir -p ${DESTDIR}/${ASSETSDIR}
-	cp ${CURDIR}/_build/bin/yq ${DESTDIR}/${BINDIR}
-	cp -rf ${SRCDIR}/LICENSE ${DESTDIR}/${ASSETSDIR}
-	cp -rf ${SRCDIR}/README.md ${DESTDIR}/${PLUGINSDIR}
+	cp ${GOBIN}/yq ${DESTDIR}/${BINDIR}
+	cp -f ${SRCDIR}/LICENSE ${DESTDIR}/${ASSETSDIR}
 	chmod a+x ${DESTDIR}/${BINDIR}/yq
 
+	# man
+	mkdir -p "${DESTDIR}"/"${MANDIR}"
+	cp "${SRCDIR}"/yq.1 "${DESTDIR}"/"${MANDIR}" \
+
 override_dh_auto_clean:
 	dh_clean
-	rm -rf ${CURDIR}/obj-${BLDPATH}
 	rm -rf ${CURDIR}/_build

debian/yq.dirs

@@ -0,0 +1,3 @@
+usr/bin
+usr/share/yq
+usr/share/man/man1

docs/404.html

@@ -1,376 +0,0 @@
-
-
-
-
-<!doctype html>
-<html lang="en" class="no-js">
-  <head>
-    
-      <meta charset="utf-8">
-      <meta name="viewport" content="width=device-width,initial-scale=1">
-      <meta http-equiv="x-ua-compatible" content="ie=edge">
-      
-      
-      
-      
-        <meta name="lang:clipboard.copy" content="Copy to clipboard">
-      
-        <meta name="lang:clipboard.copied" content="Copied to clipboard">
-      
-        <meta name="lang:search.language" content="en">
-      
-        <meta name="lang:search.pipeline.stopwords" content="True">
-      
-        <meta name="lang:search.pipeline.trimmer" content="True">
-      
-        <meta name="lang:search.result.none" content="No matching documents">
-      
-        <meta name="lang:search.result.one" content="1 matching document">
-      
-        <meta name="lang:search.result.other" content="# matching documents">
-      
-        <meta name="lang:search.tokenizer" content="[\s\-]+">
-      
-      <link rel="shortcut icon" href="/assets/images/favicon.png">
-      <meta name="generator" content="mkdocs-1.0.4, mkdocs-material-4.2.0">
-    
-    
-      
-        <title>Yq</title>
-      
-    
-    
-      <link rel="stylesheet" href="/assets/stylesheets/application.750b69bd.css">
-      
-      
-    
-    
-      <script src="/assets/javascripts/modernizr.74668098.js"></script>
-    
-    
-      
-        <link href="https://fonts.gstatic.com" rel="preconnect" crossorigin>
-        <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700|Roboto+Mono">
-        <style>body,input{font-family:"Roboto","Helvetica Neue",Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Roboto Mono","Courier New",Courier,monospace}</style>
-      
-    
-    <link rel="stylesheet" href="/assets/fonts/material-icons.css">
-    
-    
-    
-      
-    
-    
-  </head>
-  
-    <body dir="ltr">
-  
-    <svg class="md-svg">
-      <defs>
-        
-        
-          <svg xmlns="http://www.w3.org/2000/svg" width="416" height="448"
-    viewBox="0 0 416 448" id="__github">
-  <path fill="currentColor" d="M160 304q0 10-3.125 20.5t-10.75 19-18.125
-        8.5-18.125-8.5-10.75-19-3.125-20.5 3.125-20.5 10.75-19 18.125-8.5
-        18.125 8.5 10.75 19 3.125 20.5zM320 304q0 10-3.125 20.5t-10.75
-        19-18.125 8.5-18.125-8.5-10.75-19-3.125-20.5 3.125-20.5 10.75-19
-        18.125-8.5 18.125 8.5 10.75 19 3.125 20.5zM360
-        304q0-30-17.25-51t-46.75-21q-10.25 0-48.75 5.25-17.75 2.75-39.25
-        2.75t-39.25-2.75q-38-5.25-48.75-5.25-29.5 0-46.75 21t-17.25 51q0 22 8
-        38.375t20.25 25.75 30.5 15 35 7.375 37.25 1.75h42q20.5 0
-        37.25-1.75t35-7.375 30.5-15 20.25-25.75 8-38.375zM416 260q0 51.75-15.25
-        82.75-9.5 19.25-26.375 33.25t-35.25 21.5-42.5 11.875-42.875 5.5-41.75
-        1.125q-19.5 0-35.5-0.75t-36.875-3.125-38.125-7.5-34.25-12.875-30.25-20.25-21.5-28.75q-15.5-30.75-15.5-82.75
-        0-59.25 34-99-6.75-20.5-6.75-42.5 0-29 12.75-54.5 27 0 47.5 9.875t47.25
-        30.875q36.75-8.75 77.25-8.75 37 0 70 8 26.25-20.5
-        46.75-30.25t47.25-9.75q12.75 25.5 12.75 54.5 0 21.75-6.75 42 34 40 34
-        99.5z" />
-</svg>
-        
-      </defs>
-    </svg>
-    <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
-    <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
-    <label class="md-overlay" data-md-component="overlay" for="__drawer"></label>
-    
-    
-      <header class="md-header" data-md-component="header">
-  <nav class="md-header-nav md-grid">
-    <div class="md-flex">
-      <div class="md-flex__cell md-flex__cell--shrink">
-        <a href="/." title="Yq" class="md-header-nav__button md-logo">
-          
-            <i class="md-icon"></i>
-          
-        </a>
-      </div>
-      <div class="md-flex__cell md-flex__cell--shrink">
-        <label class="md-icon md-icon--menu md-header-nav__button" for="__drawer"></label>
-      </div>
-      <div class="md-flex__cell md-flex__cell--stretch">
-        <div class="md-flex__ellipsis md-header-nav__title" data-md-component="title">
-          
-            <span class="md-header-nav__topic">
-              Yq
-            </span>
-            <span class="md-header-nav__topic">
-              
-            </span>
-          
-        </div>
-      </div>
-      <div class="md-flex__cell md-flex__cell--shrink">
-        
-          <label class="md-icon md-icon--search md-header-nav__button" for="__search"></label>
-          
-<div class="md-search" data-md-component="search" role="dialog">
-  <label class="md-search__overlay" for="__search"></label>
-  <div class="md-search__inner" role="search">
-    <form class="md-search__form" name="search">
-      <input type="text" class="md-search__input" name="query" placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="query" data-md-state="active">
-      <label class="md-icon md-search__icon" for="__search"></label>
-      <button type="reset" class="md-icon md-search__icon" data-md-component="reset" tabindex="-1">
-        &#xE5CD;
-      </button>
-    </form>
-    <div class="md-search__output">
-      <div class="md-search__scrollwrap" data-md-scrollfix>
-        <div class="md-search-result" data-md-component="result">
-          <div class="md-search-result__meta">
-            Type to start searching
-          </div>
-          <ol class="md-search-result__list"></ol>
-        </div>
-      </div>
-    </div>
-  </div>
-</div>
-        
-      </div>
-      
-        <div class="md-flex__cell md-flex__cell--shrink">
-          <div class="md-header-nav__source">
-            
-
-
-  
-
-<a href="https://github.com/mikefarah/yq/" title="Go to repository" class="md-source" data-md-source="github">
-  
-    <div class="md-source__icon">
-      <svg viewBox="0 0 24 24" width="24" height="24">
-        <use xlink:href="#__github" width="24" height="24"></use>
-      </svg>
-    </div>
-  
-  <div class="md-source__repository">
-    mikefarah/yq
-  </div>
-</a>
-          </div>
-        </div>
-      
-    </div>
-  </nav>
-</header>
-    
-    <div class="md-container">
-      
-        
-      
-      
-      <main class="md-main">
-        <div class="md-main__inner md-grid" data-md-component="container">
-          
-            
-              <div class="md-sidebar md-sidebar--primary" data-md-component="navigation">
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docs/assets/fonts/material-icons.css

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- * use this file except in compliance with the License. You may obtain a copy
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- *   http://www.apache.org/licenses/LICENSE-2.0
- *
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docs/assets/images/icons/gitlab.6dd19c00.svg

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docs/assets/javascripts/lunr/lunr.da.js

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docs/assets/javascripts/lunr/lunr.ja.js

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docs/assets/javascripts/lunr/lunr.jp.js

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docs/assets/javascripts/lunr/lunr.multi.js

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docs/assets/javascripts/lunr/lunr.no.js

@@ -1 +0,0 @@
-!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var r,n,i;e.no=function(){this.pipeline.reset(),this.pipeline.add(e.no.trimmer,e.no.stopWordFilter,e.no.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.no.stemmer))},e.no.wordCharacters="A-Za-zªºÀ-ÖØ-öø-ʸˠ-ˤᴀ-ᴥᴬ-ᵜᵢ-ᵥᵫ-ᵷᵹ-ᶾḀ-ỿⁱⁿₐ-ₜKÅℲⅎⅠ-ↈⱠ-ⱿꜢ-ꞇꞋ-ꞭꞰ-ꞷꟷ-ꟿꬰ-ꭚꭜ-ꭤff-stＡ-Ｚａ-ｚ",e.no.trimmer=e.trimmerSupport.generateTrimmer(e.no.wordCharacters),e.Pipeline.registerFunction(e.no.trimmer,"trimmer-no"),e.no.stemmer=(r=e.stemmerSupport.Among,n=e.stemmerSupport.SnowballProgram,i=new function(){var o,s,a=[new r("a",-1,1),new r("e",-1,1),new r("ede",1,1),new r("ande",1,1),new r("ende",1,1),new r("ane",1,1),new r("ene",1,1),new r("hetene",6,1),new r("erte",1,3),new r("en",-1,1),new r("heten",9,1),new r("ar",-1,1),new r("er",-1,1),new r("heter",12,1),new r("s",-1,2),new r("as",14,1),new r("es",14,1),new r("edes",16,1),new r("endes",16,1),new r("enes",16,1),new r("hetenes",19,1),new r("ens",14,1),new r("hetens",21,1),new r("ers",14,1),new r("ets",14,1),new r("et",-1,1),new r("het",25,1),new r("ert",-1,3),new r("ast",-1,1)],m=[new r("dt",-1,-1),new r("vt",-1,-1)],l=[new r("leg",-1,1),new r("eleg",0,1),new r("ig",-1,1),new r("eig",2,1),new r("lig",2,1),new r("elig",4,1),new r("els",-1,1),new r("lov",-1,1),new r("elov",7,1),new r("slov",7,1),new r("hetslov",9,1)],u=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,48,0,128],d=[119,125,149,1],c=new n;this.setCurrent=function(e){c.setCurrent(e)},this.getCurrent=function(){return c.getCurrent()},this.stem=function(){var e,r,n,i,t=c.cursor;return function(){var e,r=c.cursor+3;if(s=c.limit,0<=r||r<=c.limit){for(o=r;;){if(e=c.cursor,c.in_grouping(u,97,248)){c.cursor=e;break}if(e>=c.limit)return;c.cursor=e+1}for(;!c.out_grouping(u,97,248);){if(c.cursor>=c.limit)return;c.cursor++}(s=c.cursor)<o&&(s=o)}}(),c.limit_backward=t,c.cursor=c.limit,function(){var e,r,n;if(c.cursor>=s&&(r=c.limit_backward,c.limit_backward=s,c.ket=c.cursor,e=c.find_among_b(a,29),c.limit_backward=r,e))switch(c.bra=c.cursor,e){case 1:c.slice_del();break;case 2:n=c.limit-c.cursor,c.in_grouping_b(d,98,122)?c.slice_del():(c.cursor=c.limit-n,c.eq_s_b(1,"k")&&c.out_grouping_b(u,97,248)&&c.slice_del());break;case 3:c.slice_from("er")}}(),c.cursor=c.limit,r=c.limit-c.cursor,c.cursor>=s&&(e=c.limit_backward,c.limit_backward=s,c.ket=c.cursor,c.find_among_b(m,2)?(c.bra=c.cursor,c.limit_backward=e,c.cursor=c.limit-r,c.cursor>c.limit_backward&&(c.cursor--,c.bra=c.cursor,c.slice_del())):c.limit_backward=e),c.cursor=c.limit,c.cursor>=s&&(i=c.limit_backward,c.limit_backward=s,c.ket=c.cursor,(n=c.find_among_b(l,11))?(c.bra=c.cursor,c.limit_backward=i,1==n&&c.slice_del()):c.limit_backward=i),!0}},function(e){return"function"==typeof e.update?e.update(function(e){return i.setCurrent(e),i.stem(),i.getCurrent()}):(i.setCurrent(e),i.stem(),i.getCurrent())}),e.Pipeline.registerFunction(e.no.stemmer,"stemmer-no"),e.no.stopWordFilter=e.generateStopWordFilter("alle at av bare begge ble blei bli blir blitt både båe da de deg dei deim deira deires dem den denne der dere deres det dette di din disse ditt du dykk dykkar då eg ein eit eitt eller elles en enn er et ett etter for fordi fra før ha hadde han hans har hennar henne hennes her hjå ho hoe honom hoss hossen hun hva hvem hver hvilke hvilken hvis hvor hvordan hvorfor i ikke ikkje ikkje ingen ingi inkje inn inni ja jeg kan kom korleis korso kun kunne kva kvar kvarhelst kven kvi kvifor man mange me med medan meg meget mellom men mi min mine mitt mot mykje ned no noe noen noka noko nokon nokor nokre nå når og også om opp oss over på samme seg selv si si sia sidan siden sin sine sitt sjøl skal skulle slik so som som somme somt så sånn til um upp ut uten var vart varte ved vere verte vi vil ville vore vors vort vår være være vært å".split(" ")),e.Pipeline.registerFunction(e.no.stopWordFilter,"stopWordFilter-no")}});

docs/assets/javascripts/lunr/lunr.stemmer.support.js

@@ -1 +0,0 @@
-!function(r,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(r.lunr)}(this,function(){return function(r){r.stemmerSupport={Among:function(r,t,i,s){if(this.toCharArray=function(r){for(var t=r.length,i=new Array(t),s=0;s<t;s++)i[s]=r.charCodeAt(s);return i},!r&&""!=r||!t&&0!=t||!i)throw"Bad Among initialisation: s:"+r+", substring_i: "+t+", result: "+i;this.s_size=r.length,this.s=this.toCharArray(r),this.substring_i=t,this.result=i,this.method=s},SnowballProgram:function(){var b;return{bra:0,ket:0,limit:0,cursor:0,limit_backward:0,setCurrent:function(r){b=r,this.cursor=0,this.limit=r.length,this.limit_backward=0,this.bra=this.cursor,this.ket=this.limit},getCurrent:function(){var r=b;return b=null,r},in_grouping:function(r,t,i){if(this.cursor<this.limit){var s=b.charCodeAt(this.cursor);if(s<=i&&t<=s&&r[(s-=t)>>3]&1<<(7&s))return this.cursor++,!0}return!1},in_grouping_b:function(r,t,i){if(this.cursor>this.limit_backward){var s=b.charCodeAt(this.cursor-1);if(s<=i&&t<=s&&r[(s-=t)>>3]&1<<(7&s))return this.cursor--,!0}return!1},out_grouping:function(r,t,i){if(this.cursor<this.limit){var s=b.charCodeAt(this.cursor);if(i<s||s<t)return this.cursor++,!0;if(!(r[(s-=t)>>3]&1<<(7&s)))return this.cursor++,!0}return!1},out_grouping_b:function(r,t,i){if(this.cursor>this.limit_backward){var s=b.charCodeAt(this.cursor-1);if(i<s||s<t)return this.cursor--,!0;if(!(r[(s-=t)>>3]&1<<(7&s)))return this.cursor--,!0}return!1},eq_s:function(r,t){if(this.limit-this.cursor<r)return!1;for(var i=0;i<r;i++)if(b.charCodeAt(this.cursor+i)!=t.charCodeAt(i))return!1;return this.cursor+=r,!0},eq_s_b:function(r,t){if(this.cursor-this.limit_backward<r)return!1;for(var i=0;i<r;i++)if(b.charCodeAt(this.cursor-r+i)!=t.charCodeAt(i))return!1;return this.cursor-=r,!0},find_among:function(r,t){for(var i=0,s=t,e=this.cursor,n=this.limit,u=0,o=0,h=!1;;){for(var c=i+(s-i>>1),a=0,f=u<o?u:o,l=r[c],_=f;_<l.s_size;_++){if(e+f==n){a=-1;break}if(a=b.charCodeAt(e+f)-l.s[_])break;f++}if(a<0?(s=c,o=f):(i=c,u=f),s-i<=1){if(0<i||s==i||h)break;h=!0}}for(;;){if(u>=(l=r[i]).s_size){if(this.cursor=e+l.s_size,!l.method)return l.result;var m=l.method();if(this.cursor=e+l.s_size,m)return l.result}if((i=l.substring_i)<0)return 0}},find_among_b:function(r,t){for(var i=0,s=t,e=this.cursor,n=this.limit_backward,u=0,o=0,h=!1;;){for(var c=i+(s-i>>1),a=0,f=u<o?u:o,l=(_=r[c]).s_size-1-f;0<=l;l--){if(e-f==n){a=-1;break}if(a=b.charCodeAt(e-1-f)-_.s[l])break;f++}if(a<0?(s=c,o=f):(i=c,u=f),s-i<=1){if(0<i||s==i||h)break;h=!0}}for(;;){var _;if(u>=(_=r[i]).s_size){if(this.cursor=e-_.s_size,!_.method)return _.result;var m=_.method();if(this.cursor=e-_.s_size,m)return _.result}if((i=_.substring_i)<0)return 0}},replace_s:function(r,t,i){var s=i.length-(t-r);return b=b.substring(0,r)+i+b.substring(t),this.limit+=s,this.cursor>=t?this.cursor+=s:this.cursor>r&&(this.cursor=r),s},slice_check:function(){if(this.bra<0||this.bra>this.ket||this.ket>this.limit||this.limit>b.length)throw"faulty slice operation"},slice_from:function(r){this.slice_check(),this.replace_s(this.bra,this.ket,r)},slice_del:function(){this.slice_from("")},insert:function(r,t,i){var s=this.replace_s(r,t,i);r<=this.bra&&(this.bra+=s),r<=this.ket&&(this.ket+=s)},slice_to:function(){return this.slice_check(),b.substring(this.bra,this.ket)},eq_v_b:function(r){return this.eq_s_b(r.length,r)}}}},r.trimmerSupport={generateTrimmer:function(r){var t=new RegExp("^[^"+r+"]+"),i=new RegExp("[^"+r+"]+$");return function(r){return"function"==typeof r.update?r.update(function(r){return r.replace(t,"").replace(i,"")}):r.replace(t,"").replace(i,"")}}}}});

docs/assets/javascripts/lunr/lunr.sv.js

@@ -1 +0,0 @@
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docs/assets/javascripts/lunr/lunr.th.js

@@ -1 +0,0 @@
-!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(t){if(void 0===t)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===t.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var i="2"==t.version[0];t.th=function(){this.pipeline.reset(),this.pipeline.add(t.th.trimmer),i?this.tokenizer=t.th.tokenizer:(t.tokenizer&&(t.tokenizer=t.th.tokenizer),this.tokenizerFn&&(this.tokenizerFn=t.th.tokenizer))},t.th.wordCharacters="[฀-๿]",t.th.trimmer=t.trimmerSupport.generateTrimmer(t.th.wordCharacters),t.Pipeline.registerFunction(t.th.trimmer,"trimmer-th");var n=t.wordcut;n.init(),t.th.tokenizer=function(e){if(!arguments.length||null==e||null==e)return[];if(Array.isArray(e))return e.map(function(e){return i?new t.Token(e):e});var r=e.toString().replace(/^\s+/,"");return n.cut(r).split("|")}}});

docs/convert/index.html

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-                
-                
-                  <h1>Create</h1>
-                
-                <p>Yaml files can be created using the 'new' command. This works in the same way as the write command, but you don't pass in an existing Yaml file. Currently this does not support creating multiple documents in a single yaml file.</p>
-<pre><code>yq n &lt;path&gt; &lt;new value&gt;
-</code></pre>
-
-<h3 id="creating-a-simple-yaml-file">Creating a simple yaml file<a class="headerlink" href="#creating-a-simple-yaml-file" title="Permanent link">&para;</a></h3>
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-<p>will output:</p>
-<pre><code class="yaml">b:
-  c: cat
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-
-<h3 id="creating-using-a-create-script">Creating using a create script<a class="headerlink" href="#creating-using-a-create-script" title="Permanent link">&para;</a></h3>
-<p>Create scripts follow the same format as the update scripts.</p>
-<p>Given a script create_instructions.yaml of:</p>
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-b.e[+].name: Howdy Partner
-</code></pre>
-
-<p>then</p>
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-
-<p>will output:</p>
-<pre><code class="yaml">b:
-  c: 3
-  e:
-    - name: Howdy Partner
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-
-<p>You can also pipe the instructions in:</p>
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-<h3 id="keys-with-dots">Keys with dots<a class="headerlink" href="#keys-with-dots" title="Permanent link">&para;</a></h3>
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-<pre><code class="bash">yaml r sample.yaml 'b[foo.bar]'
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-<pre><code class="bash">yaml w sample.yaml 'b[foo.bar]' 9
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-<p>Any valid yaml key can be specified as part of a key lookup.</p>
-<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
-<h3 id="keys-and-values-with-leading-dashes">Keys (and values) with leading dashes<a class="headerlink" href="#keys-and-values-with-leading-dashes" title="Permanent link">&para;</a></h3>
-<p>If a key or value has leading dashes, yq won't know that you are passing a value as opposed to a flag (and you will get a 'bad flag syntax' error).</p>
-<p>To fix that, you will need to tell it to stop processing flags by adding '--' after the last flag like so:</p>
-<pre><code class="bash">yq n -t -- --key --value
-</code></pre>
-
-<p>Will result in</p>
-<p><code>`
---key: --value</code></p>
-                
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-      
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-  <a href="#splat" title="Splat" class="md-nav__link">
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-  
-</li>
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-    Array Splat
-  </a>
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-  <a href="#multiple-documents-delete-from-single-document" title="Multiple Documents - delete from single document" class="md-nav__link">
-    Multiple Documents - delete from single document
-  </a>
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-  <a href="#multiple-documents-delete-from-all-documents" title="Multiple Documents - delete from all documents" class="md-nav__link">
-    Multiple Documents - delete from all documents
-  </a>
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-                  <a href="https://github.com/mikefarah/yq/edit/master/docs/delete.md" title="Edit this page" class="md-icon md-content__icon">&#xE3C9;</a>
-                
-                
-                  <h1>Delete</h1>
-                
-                <pre><code>yq d &lt;yaml_file&gt; &lt;path_to_delete&gt;
-</code></pre>
-
-<h3 id="to-stdout">To Stdout<a class="headerlink" href="#to-stdout" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">b:
-  c: 2
-  apples: green
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq d sample.yaml b.c
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">b:
-  apples: green
-</code></pre>
-
-<h3 id="from-stdin">From STDIN<a class="headerlink" href="#from-stdin" title="Permanent link">&para;</a></h3>
-<pre><code class="bash">cat sample.yaml | yq d - b.c
-</code></pre>
-
-<h3 id="deleting-array-elements">Deleting array elements<a class="headerlink" href="#deleting-array-elements" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">b:
-  c: 
-    - 1
-    - 2
-    - 3
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq d sample.yaml 'b.c[1]'
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">b:
-  c:
-  - 1
-  - 3
-</code></pre>
-
-<h3 id="deleting-nodes-in-place">Deleting nodes in-place<a class="headerlink" href="#deleting-nodes-in-place" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">b:
-  c: 2
-  apples: green
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq d -i sample.yaml b.c
-</code></pre>
-
-<p>will update the sample.yaml file so that the 'c' node is deleted</p>
-<h3 id="splat">Splat<a class="headerlink" href="#splat" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">---
-bob:
-  item1:
-    cats: bananas
-    dogs: woof
-  item2:
-    cats: apples
-    dogs: woof2
-  thing:
-    cats: oranges
-    dogs: woof3
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq d sample.yaml bob.*.cats
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">---
-bob:
-  item1:
-    dogs: woof
-  item2:
-    dogs: woof2
-  thing:
-    dogs: woof3
-</code></pre>
-
-<h3 id="prefix-splat">Prefix Splat<a class="headerlink" href="#prefix-splat" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">---
-bob:
-  item1:
-    cats: bananas
-    dogs: woof
-  item2:
-    cats: apples
-    dogs: woof2
-  thing:
-    cats: oranges
-    dogs: woof3
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq d sample.yaml bob.item*.cats
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">---
-bob:
-  item1:
-    dogs: woof
-  item2:
-    dogs: woof2
-  thing:
-    cats: oranges
-    dogs: woof3
-</code></pre>
-
-<h3 id="array-splat">Array Splat<a class="headerlink" href="#array-splat" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">---
-bob:
-- cats: bananas
-  dogs: woof
-- cats: apples
-  dogs: woof2
-- cats: oranges
-  dogs: woof3
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq d sample.yaml bob.[*].cats
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">---
-bob:
-- dogs: woof
-- dogs: woof2
-- dogs: woof3
-</code></pre>
-
-<h3 id="multiple-documents-delete-from-single-document">Multiple Documents - delete from single document<a class="headerlink" href="#multiple-documents-delete-from-single-document" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">something: else
-field: leaveMe
----
-b:
-  c: 2
-field: deleteMe
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq w -d1 sample.yaml field
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">something: else
-field: leaveMe
----
-b:
-  c: 2
-</code></pre>
-
-<h3 id="multiple-documents-delete-from-all-documents">Multiple Documents - delete from all documents<a class="headerlink" href="#multiple-documents-delete-from-all-documents" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">something: else
-field: deleteMe
----
-b:
-  c: 2
-field: deleteMeToo
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq w -d'*' sample.yaml field
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">something: else
----
-b:
-  c: 2
-</code></pre>
-
-<p>Note that '*' is in quotes to avoid being interpreted by your shell.</p>
-<h3 id="keys-with-dots">Keys with dots<a class="headerlink" href="#keys-with-dots" title="Permanent link">&para;</a></h3>
-<p>When specifying a key that has a dot use key lookup indicator.</p>
-<pre><code class="yaml">b:
-  foo.bar: 7
-</code></pre>
-
-<pre><code class="bash">yaml r sample.yaml 'b[foo.bar]'
-</code></pre>
-
-<pre><code class="bash">yaml w sample.yaml 'b[foo.bar]' 9
-</code></pre>
-
-<p>Any valid yaml key can be specified as part of a key lookup.</p>
-<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
-<h3 id="keys-and-values-with-leading-dashes">Keys (and values) with leading dashes<a class="headerlink" href="#keys-and-values-with-leading-dashes" title="Permanent link">&para;</a></h3>
-<p>If a key or value has leading dashes, yq won't know that you are passing a value as opposed to a flag (and you will get a 'bad flag syntax' error).</p>
-<p>To fix that, you will need to tell it to stop processing flags by adding '--' after the last flag like so:</p>
-<pre><code class="bash">yq n -t -- --key --value
-</code></pre>
-
-<p>Will result in</p>
-<p><code>`
---key: --value</code></p>
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-              
-                
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-                
-                
-                  <h1>Merge</h1>
-                
-                <p>Yaml files can be merged using the 'merge' command. Each additional file merged with the first file will
-set values for any key not existing already or where the key has no value.</p>
-<pre><code>yq m &lt;yaml_file&gt; &lt;path&gt;...
-</code></pre>
-
-<h3 id="to-stdout">To Stdout<a class="headerlink" href="#to-stdout" title="Permanent link">&para;</a></h3>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">a: simple
-b: [1, 2]
-</code></pre>
-
-<p>and data2.yaml file of:</p>
-<pre><code class="yaml">a: other
-c:
-  test: 1
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq m data1.yaml data2.yaml
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">a: simple
-b: [1, 2]
-c:
-  test: 1
-</code></pre>
-
-<h3 id="updating-files-in-place">Updating files in-place<a class="headerlink" href="#updating-files-in-place" title="Permanent link">&para;</a></h3>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">a: simple
-b: [1, 2]
-</code></pre>
-
-<p>and data2.yaml file of:</p>
-<pre><code class="yaml">a: other
-c:
-  test: 1
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq m -i data1.yaml data2.yaml
-</code></pre>
-
-<p>will update the data1.yaml file so that the value of 'c' is 'test: 1'.</p>
-<h3 id="overwrite-values">Overwrite values<a class="headerlink" href="#overwrite-values" title="Permanent link">&para;</a></h3>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">a: simple
-b: [1, 2]
-</code></pre>
-
-<p>and data2.yaml file of:</p>
-<pre><code class="yaml">a: other
-c:
-  test: 1
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq m -x data1.yaml data2.yaml
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">a: other
-b: [1, 2]
-c:
-  test: 1
-</code></pre>
-
-<h3 id="overwrite-values-with-arrays">Overwrite values with arrays<a class="headerlink" href="#overwrite-values-with-arrays" title="Permanent link">&para;</a></h3>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">a: simple
-b: [1, 2]
-</code></pre>
-
-<p>and data3.yaml file of:</p>
-<pre><code class="yaml">b: [3, 4]
-c:
-  test: 2
-  other: true
-d: false
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq m -x data1.yaml data3.yaml
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">a: simple
-b: [3, 4]
-c:
-  test: 2
-  other: true
-d: false
-</code></pre>
-
-<p>Notice that 'b' does not result in the merging of the values within an array. </p>
-<h3 id="append-values-with-arrays">Append values with arrays<a class="headerlink" href="#append-values-with-arrays" title="Permanent link">&para;</a></h3>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">a: simple
-b: [1, 2]
-d: hi
-</code></pre>
-
-<p>and data3.yaml file of:</p>
-<pre><code class="yaml">a: something
-b: [3, 4]
-c:
-  test: 2
-  other: true
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq m -a data1.yaml data3.yaml
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">a: simple
-b: [1, 2, 3, 4]
-c:
-  test: 2
-  other: true
-d: hi
-</code></pre>
-
-<p>Note that the 'b' array has concatenated the values from the second data file. Also note that other map keys are not overridden (field a).</p>
-<p>Append cannot be used with overwrite, if both flags are given then append is ignored.</p>
-<h3 id="multiple-documents-merge-into-single-document">Multiple Documents - merge into single document<a class="headerlink" href="#multiple-documents-merge-into-single-document" title="Permanent link">&para;</a></h3>
-<p>Currently yq only has multi-document support for the <em>first</em> document being merged into. The remaining yaml files will have their first document selected.</p>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">something: else
----
-a: simple
-b: cat
-</code></pre>
-
-<p>and data3.yaml file of:</p>
-<pre><code class="yaml">b: dog
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq m -x -d1 data1.yaml data3.yaml
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">something: else
----
-a: simple
-b: dog
-</code></pre>
-
-<h3 id="multiple-documents-merge-into-all-documents">Multiple Documents - merge into all documents<a class="headerlink" href="#multiple-documents-merge-into-all-documents" title="Permanent link">&para;</a></h3>
-<p>Currently yq only has multi-document support for the <em>first</em> document being merged into. The remaining yaml files will have their first document selected.</p>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">something: else
----
-a: simple
-b: cat
-</code></pre>
-
-<p>and data3.yaml file of:</p>
-<pre><code class="yaml">b: dog
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq m -x -d'*' data1.yaml data3.yaml
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">b: dog
-something: else
----
-a: simple
-b: dog
-</code></pre>
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-                  <h1>Prefix</h1>
-                
-                <p>Paths can be prefixed using the 'prefix' command.
-The complete yaml content will be nested inside the new prefix path.</p>
-<pre><code>yq p &lt;yaml_file&gt; &lt;path&gt;
-</code></pre>
-
-<h3 id="to-stdout">To Stdout<a class="headerlink" href="#to-stdout" title="Permanent link">&para;</a></h3>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">a: simple
-b: [1, 2]
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq p data1.yaml c
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">c:
-  a: simple
-  b: [1, 2]
-</code></pre>
-
-<h3 id="arbitrary-depth">Arbitrary depth<a class="headerlink" href="#arbitrary-depth" title="Permanent link">&para;</a></h3>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">a:
-  b: [1, 2]
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq p data1.yaml c.d
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">c:
-  d:
-    a:
-      b: [1, 2]
-</code></pre>
-
-<h3 id="updating-files-in-place">Updating files in-place<a class="headerlink" href="#updating-files-in-place" title="Permanent link">&para;</a></h3>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">a: simple
-b: [1, 2]
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq p -i data1.yaml c
-</code></pre>
-
-<p>will update the data1.yaml file so that the path 'c' is prefixed to all other paths.</p>
-<h3 id="multiple-documents-prefix-a-single-document">Multiple Documents - prefix a single document<a class="headerlink" href="#multiple-documents-prefix-a-single-document" title="Permanent link">&para;</a></h3>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">something: else
----
-a: simple
-b: cat
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq p -d1 data1.yaml c
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">something: else
----
-c:
-  a: simple
-  b: cat
-</code></pre>
-
-<h3 id="multiple-documents-prefix-all-documents">Multiple Documents - prefix all documents<a class="headerlink" href="#multiple-documents-prefix-all-documents" title="Permanent link">&para;</a></h3>
-<p>Given a data1.yaml file of:</p>
-<pre><code class="yaml">something: else
----
-a: simple
-b: cat
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq p -d'*' data1.yaml c
-</code></pre>
-
-<p>will output:</p>
-<pre><code class="yaml">c:
-  something: else
----
-c:
-  a: simple
-  b: cat
-</code></pre>
-                
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-                  <h1>Read</h1>
-                
-                <pre><code>yq r &lt;yaml_file|json_file&gt; &lt;path&gt;
-</code></pre>
-
-<p>This command can take a json file as input too, and will output yaml unless specified to export as json (-j)</p>
-<h3 id="basic">Basic<a class="headerlink" href="#basic" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">b:
-  c: 2
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq r sample.yaml b.c
-</code></pre>
-
-<p>will output the value of '2'.</p>
-<h3 id="from-stdin">From Stdin<a class="headerlink" href="#from-stdin" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="bash">cat sample.yaml | yq r - b.c
-</code></pre>
-
-<p>will output the value of '2'.</p>
-<h3 id="splat">Splat<a class="headerlink" href="#splat" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">---
-bob:
-  item1:
-    cats: bananas
-  item2:
-    cats: apples
-  thing:
-    cats: oranges
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq r sample.yaml bob.*.cats
-</code></pre>
-
-<p>will output</p>
-<pre><code class="yaml">- bananas
-- apples
-- oranges
-</code></pre>
-
-<h3 id="prefix-splat">Prefix Splat<a class="headerlink" href="#prefix-splat" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">---
-bob:
-  item1:
-    cats: bananas
-  item2:
-    cats: apples
-  thing:
-    cats: oranges
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq r sample.yaml bob.item*.cats
-</code></pre>
-
-<p>will output</p>
-<pre><code class="yaml">- bananas
-- apples
-</code></pre>
-
-<h3 id="multiple-documents-specify-a-single-document">Multiple Documents - specify a single document<a class="headerlink" href="#multiple-documents-specify-a-single-document" title="Permanent link">&para;</a></h3>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">something: else
----
-b:
-  c: 2
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq r -d1 sample.yaml b.c
-</code></pre>
-
-<p>will output the value of '2'.</p>
-<h3 id="multiple-documents-read-all-documents">Multiple Documents - read all documents<a class="headerlink" href="#multiple-documents-read-all-documents" title="Permanent link">&para;</a></h3>
-<p>Reading all documents will return the result as an array. This can be converted to json using the '-j' flag if desired.</p>
-<p>Given a sample.yaml file of:</p>
-<pre><code class="yaml">name: Fred
-age: 22
----
-name: Stella
-age: 23
----
-name: Android
-age: 232
-</code></pre>
-
-<p>then</p>
-<pre><code class="bash">yq r -d'*' sample.yaml name
-</code></pre>
-
-<p>will output:</p>
-<pre><code>- Fred
-- Stella
-- Android
-</code></pre>
-
-<h3 id="arrays">Arrays<a class="headerlink" href="#arrays" title="Permanent link">&para;</a></h3>
-<p>You can give an index to access a specific element:
-e.g.: given a sample file of</p>
-<pre><code class="yaml">b:
-  e:
-    - name: fred
-      value: 3
-    - name: sam
-      value: 4
-</code></pre>
-
-<p>then</p>
-<pre><code>yq r sample.yaml 'b.e[1].name'
-</code></pre>
-
-<p>will output 'sam'</p>
-<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
-<h3 id="array-splat">Array Splat<a class="headerlink" href="#array-splat" title="Permanent link">&para;</a></h3>
-<p>e.g.: given a sample file of</p>
-<pre><code class="yaml">b:
-  e:
-    - name: fred
-      value: 3
-    - name: sam
-      value: 4
-</code></pre>
-
-<p>then</p>
-<pre><code>yq r sample.yaml 'b.e[*].name'
-</code></pre>
-
-<p>will output:</p>
-<pre><code>- fred
-- sam
-</code></pre>
-
-<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
-<h3 id="keys-with-dots">Keys with dots<a class="headerlink" href="#keys-with-dots" title="Permanent link">&para;</a></h3>
-<p>When specifying a key that has a dot use key lookup indicator.</p>
-<pre><code class="yaml">b:
-  foo.bar: 7
-</code></pre>
-
-<pre><code class="bash">yaml r sample.yaml 'b[foo.bar]'
-</code></pre>
-
-<pre><code class="bash">yaml w sample.yaml 'b[foo.bar]' 9
-</code></pre>
-
-<p>Any valid yaml key can be specified as part of a key lookup.</p>
-<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
-<h3 id="keys-and-values-with-leading-dashes">Keys (and values) with leading dashes<a class="headerlink" href="#keys-and-values-with-leading-dashes" title="Permanent link">&para;</a></h3>
-<p>If a key or value has leading dashes, yq won't know that you are passing a value as opposed to a flag (and you will get a 'bad flag syntax' error).</p>
-<p>To fix that, you will need to tell it to stop processing flags by adding '--' after the last flag like so:</p>
-<pre><code class="bash">yq n -t -- --key --value
-</code></pre>
-
-<p>Will result in</p>
-<p><code>`
---key: --value</code></p>
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