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140 Commits
Author SHA1 Message Date
Mike Farah 718f66dfec v4.54.3 2026-08-19 15:23:47 +10:00
Mike Farah d51f1fad31 v4.53.2 2026-04-17 16:31:31 +10:00
Mike Farah 0dcba85400 v4.50.1 - HCL 2025-12-15 11:38:27 +11:00
Mike Farah 06517a463e v4.49.1 2025-11-22 15:01:51 +11:00
Mike Farah 451724d514 Version bump 2025-11-22 09:44:39 +11:00
furkanu-workandMike Farah ccc34b5022 Add version information to fix-merge-anchor option 2025-11-07 20:03:21 +11:00
Mike Farah 2f56a8df95 Improving how it works 2025-10-12 18:30:02 +11:00
Mike Farah d38fd1f256 v4.48.1 2025-10-12 14:31:03 +11:00
Mike Farah eaf26894c1 Updating readme 2025-07-23 16:15:42 +10:00
Mike Farah f7f6320e88 v4.47.1 2025-07-23 16:12:12 +10:00
Mike Farah 7b57e31a76 Fixing typo 2025-05-03 11:38:15 +10:00
Mike Farah 500ee98a48 Removing old notice 2025-03-03 15:23:47 +11:00
Mike Farah 785ee2cabb Updating docs 2025-03-03 15:12:22 +11:00
Mike Farah 19118c5552 v4.44.5 2024-12-07 17:35:26 +11:00
Mike Farah 57e4639631 updating docs 2024-09-06 12:33:38 +10:00
Mike Farah 1f1efb08ad Fixing pivot url 2024-07-07 10:42:08 +10:00
Mike Farah aaf1782788 v4.44.1 abd v4.44.2 2024-06-16 11:16:43 +10:00
Mike Farah 450a4b4d37 Added property number example 2024-05-12 12:14:14 +10:00
Mike Farah 31f8a80b5f typos 2024-03-24 11:31:54 +11:00
Mike Farah 7200b5afa0 typo 2024-03-24 11:27:08 +11:00
Mike Farah b9f4f3bf5b Fixing docs 2024-03-24 11:09:39 +11:00
Mike Farah 30e6afaf68 v4.43.1 2024-03-24 10:59:15 +11:00
Mike Farah f81f7a216d v4.41.2 2024-03-05 10:14:15 +11:00
Mike Farah 50adfee6ff Moving tip to recipe 2024-02-21 14:52:39 +11:00
Mike Farah b2965d58a6 v4.41.1 2024-02-16 09:55:01 +11:00
Mike Farah 5edabcf934 Improve merge docs 2024-02-09 14:54:36 +11:00
Mike Farah 2346332e86 Updating style docs 2024-02-09 10:47:22 +11:00
Mike Farah 461bb9c5fe Need to escape single quotes in bash, updated docs #1932 2024-02-02 14:59:08 +11:00
Mike Farah f46e04d6f2 Added another new recipe 2023-12-13 10:56:05 +11:00
Mike Farah 8ae7ad5c10 Updating JSON doc: NDJSON spec deprecated, prefer JSON Lines 2023-12-01 11:39:30 +11:00
Mike Farah 7bed0cc86f missing links 2023-11-23 12:01:23 +11:00
Mike Farah cac23ac003 v4.40.3 2023-11-23 11:59:14 +11:00
Mike Farah b06ab987b1 v4.35.2 2023-09-26 14:50:18 +10:00
Mike Farah 4a36926788 Added recipes documentation 2023-09-01 14:41:07 +10:00
Mike Farah d25785c3f3 updating docs 2023-09-01 11:52:38 +10:00
ryohma0510andGitHub 892308bf54 Improve comparing tips document (#1727) 2023-07-18 08:53:50 +10:00
Mike Farah 8986b92d05 Added docs on base64 only working with utf8 content 2023-05-23 15:38:15 +10:00
Mike Farah d0ccd7c8c8 Added docs on yes/no being strings in yaml spec 1.2 2023-05-23 15:36:12 +10:00
Mike Farah e0558d4b9b Added base64 disclaimer re ut8 strings 2023-05-23 13:30:36 +10:00
Mike Farah 3388f9f3e2 v4.34.1 2023-05-23 13:28:47 +10:00
Mike Farah 2f98ff832c toml docs 2023-03-31 10:24:19 +11:00
Mike Farah dc45add0e9 toml docs 2023-03-31 10:22:57 +11:00
Mike Farah 93adeb2d79 v4.32.1 2023-03-18 14:54:23 +11:00
Mike Farah f6fad90a48 v4.31.2 2023-03-02 11:22:04 +11:00
Mike Farah 814a6114a8 v4.31.1 2023-02-20 16:08:51 +11:00
Mike Farah 3f13bf65a1 v4.30.7 2023-01-14 14:06:09 +11:00
Mike Farah 651c981cad bash loop example 2023-01-14 13:57:32 +11:00
Mike Farah c6537a9d66 added update multiple files tips 2023-01-10 13:53:54 +11:00
Mike Farah 663713c288 v4.30.6 2022-12-17 11:16:27 +11:00
Mike Farah cdc91e518f v4.30.5 2022-12-17 11:15:38 +11:00
muzimuzhiandGitHub 95a5e3b9e3 Fixed doc typos (#1457) 2022-12-05 16:49:31 +11:00
Mike Farah 25e91abe3a v4.30.2 2022-11-13 11:16:29 +11:00
Mike Farah 245a3dbe34 v4.30.1 2022-11-11 14:58:39 +11:00
Mike Farah db8a7617ce Improved set path example 2022-11-10 10:24:32 +11:00
Mike Farah 2926e1d9b1 Improved set path example 2022-11-10 10:22:22 +11:00
Mike Farah f64376da9b Added set path example 2022-11-10 10:19:41 +11:00
Mike Farah 2bab6385bd Added set path example 2022-11-10 10:18:08 +11:00
Mike Farah ef7f61444d Added subset example 2022-11-01 09:30:22 +11:00
Mike Farah a7e397757b v4.29.1 2022-10-29 18:24:11 +11:00
Mike Farah 28a82e9ae8 Added custom sort map example 2022-10-17 15:03:29 +11:00
Mike Farah 2a3e78cb32 Added custom sort map example 2022-10-17 15:02:33 +11:00
Mike Farah de053f6764 Fixed broken link 2022-10-14 14:24:51 +11:00
Mike Farah 2db47ec2f2 v4.28.1 2022-10-05 20:23:03 +11:00
Mike Farah 5f21996380 Added another comment test 2022-09-30 09:46:17 +10:00
Mike Farah c6394d2058 Bumping version 2022-09-09 11:23:34 +10:00
Mike Farah 05ee3403ca v4.27.3 updates 2022-08-29 18:31:50 +10:00
Mike Farah 8c2488d25f improved v3 merge docs 2022-08-29 10:58:08 +10:00
Mike Farah 1bb6132620 improved v3 merge docs 2022-08-29 10:22:32 +10:00
Mike Farah dcab9032d6 Added github action env example 2022-08-14 10:36:23 +10:00
Mike Farah 3e8636a0f8 Add link to discussions on readme 2022-08-01 16:56:21 +10:00
Mike Farah 9458fa1cf5 Updating doc for release 2022-08-01 16:46:12 +10:00
Mike Farah 97c5c563e6 Added CSV example for array of objects 2022-07-29 14:33:26 +10:00
Mike Farah 84f2ca4d32 Added github trouble shooting 2022-07-28 11:33:14 +10:00
Mike Farah fa84423a82 Added github trouble shooting 2022-07-28 11:32:35 +10:00
Mike Farah 848160c7e7 fixed link 2022-07-22 08:52:45 +10:00
Mike Farah 7f0d38fe90 adedd string blocks link in tips and tricks 2022-07-22 08:51:28 +10:00
Mike Farah e397591cb4 Updating docs for v4.26.1 release 2022-07-15 10:45:22 +10:00
Karl HorkyandGitHub 465765929a Fix flag (#1267) 2022-07-07 10:27:40 +10:00
Mike Farah 68c5982ba5 Updating docs for v4.25.3 release 2022-06-23 19:46:28 +10:00
Mike Farah b52d86e468 Added multiple object example from PR #1226 2022-05-27 11:22:29 +10:00
Mike Farah deb7aeb966 Fixing typos 2022-05-25 11:01:35 +10:00
Mike Farah 27a14ec188 v4.25.1 2022-04-29 12:16:48 +10:00
Mike Farah 3fe9e55f36 v4.24.5 2022-04-15 08:52:46 +10:00
Mike Farah 91ac643fbf Added if statement tip and trick 2022-04-01 13:41:39 +11:00
Mike Farah 5908987ef6 Fixing string docs 2022-04-01 13:22:25 +11:00
Mike Farah fe4a753ca4 Added tip 2022-03-29 13:35:30 +11:00
Mike Farah ac68be0a3b Fixed help links 2022-03-29 11:12:22 +11:00
Mike Farah 58f27a1f20 v4.24.1 2022-03-28 14:24:57 +11:00
Mike Farah 3cca5f7aff Better string docs 2022-03-23 10:28:38 +11:00
Mike Farah e402e47522 v4.23.1 2022-03-20 13:05:09 +11:00
Mike Farah 831d601238 Added pick operator 2022-03-10 15:44:35 +11:00
Mike Farah a253c51310 v4.22.1 2022-03-10 13:50:03 +11:00
Mike Farah 85df955bf1 Fixed broken link 2022-03-08 14:04:38 +11:00
Mike Farah 2dbcb51b82 v4.21.1 2022-02-27 12:10:01 +11:00
Mike Farah caf36e39b8 Latest release 2022-02-15 14:16:04 +11:00
Mike Farah 38f40fbcff Added eval to contents page 2022-02-06 14:46:52 +11:00
Mike Farah 1b494f46bf Updating docs for v4.19.1 release 2022-02-06 14:41:27 +11:00
Mike Farahandgitbook-bot dd22aada6d GitBook: [#217] No subject 2022-02-06 03:31:21 +00:00
Mike Farah deb71a277c trial hint 2022-02-06 14:29:26 +11:00
Mike Farahandgitbook-bot e30f679bea GitBook: [#216] No subject 2022-02-06 03:26:23 +00:00
Mike Farahandgitbook-bot 61feeed64f GitBook: [#215] test 2022-02-06 03:24:42 +00:00
Mike Farah 05ee6a44cf Fixed load from another file tip 2022-01-31 08:23:09 +11:00
Mike Farah ab1855e30d Added notice for older versions of yq 2022-01-28 13:06:58 +11:00
Mike Farah 2e3f5e410e Simplified yq usage 2022-01-28 12:50:13 +11:00
Mike Farah 9896245f71 Simplified yq usage 2022-01-28 12:45:43 +11:00
Mike Farah e84a50db2e Better xml docs 2022-01-22 12:36:01 +11:00
Mike Farah 078d1d0c76 Added xml link 2022-01-22 12:13:15 +11:00
Mike Farah 7abf77b323 Updating docs for v4.17.1 release 2022-01-22 11:49:12 +11:00
Mike Farah 9bebbfffb7 Improving select docs 2022-01-15 18:22:12 +11:00
Mike Farah 3793f723b8 Improving select docs (#839) 2022-01-15 18:19:12 +11:00
Mike Farah 6c9a77b336 minor change 2021-12-21 09:40:32 +11:00
Mike Farah 68d13b2220 Improving docs 2021-12-05 13:03:45 +11:00
Mike Farah 3e0da390ee better troubleshooting 2021-12-05 12:15:19 +11:00
Mike Farah 7598f73204 shorten filename in example 2021-12-05 11:14:06 +11:00
Mike Farah cd3813e285 Improved tips and tricks 2021-12-05 11:11:59 +11:00
Mike Farah ed03d21a0b Added another sort example 2021-12-05 10:59:12 +11:00
Mike Farah 1468c37e0b Docs for 4.16.1 2021-12-04 14:08:16 +11:00
Mike Farah 3e0e2c83ed Better merge example 2021-11-29 21:29:05 +11:00
Mike Farah a1db47122d Fixed header 2021-11-29 21:06:49 +11:00
Mike Farah 6c347598ad Better formatting of merge arrays example 2021-11-29 21:06:00 +11:00
Mike Farah de3110cf16 Added link to merge array example in tips and tricks 2021-11-29 21:04:55 +11:00
Mike Farah fd3ee46ccf Better merge array by key example, fixed spelling mistakes 2021-11-29 20:56:49 +11:00
Mike Farah 61f561a9e0 Updating docs 2021-11-26 09:50:45 +11:00
Mike Farahandgitbook-bot 76359d94c3 GitBook: [#212] poewrshell tips and tricks 2021-11-14 06:01:55 +00:00
Mike Farah 3cdbfebe46 Updating comment op doc 2021-11-14 11:10:43 +11:00
Mike Farah 832db92eb2 Tweaking docs 2021-11-03 21:57:50 +11:00
Mike Farah 8c4ae979a2 Updating README 2021-11-03 21:51:28 +11:00
Mike Farah a41131816a Update document generation script 2021-11-03 15:00:28 +11:00
Mike Farah 5bedd759a8 no op doc 2021-11-03 13:36:38 +11:00
Mike Farah 566972f201 How it works 2021-11-03 13:33:58 +11:00
Mike Farah b6a1f59464 Moved split nav order 2021-10-30 16:10:35 +11:00
Mike Farahandgitbook-bot 27268aae26 GitBook: [#209] split docs 2021-10-30 05:09:29 +00:00
Mike Farah 7ec745a2f7 Added flatten doc 2021-10-30 15:52:05 +11:00
Mike Farah e92dc5060c Added encode / decode docs 2021-10-30 15:49:10 +11:00
Mike Farah 0dfb73a5fc added group-by doc 2021-10-30 15:00:37 +11:00
Mike Farah a7411db345 added group-by doc 2021-10-30 14:43:45 +11:00
Mike Farah a178934061 auto update docs poc 2021-10-30 14:40:51 +11:00
Mike Farah ab732e0cc6 try updating add 2021-10-30 14:23:02 +11:00
Mike Farahandgitbook-bot fbe266a166 GitBook: [#206] deep update example 2021-10-30 03:14:39 +00:00
gitbook-bot b723783231 Initialize repository 2021-10-30 03:14:17 +00:00
201 changed files with 14071 additions and 9482 deletions
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-38
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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
bin
build
.DS_Store
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
coverage.out
*.exe
*.test
*.prof
yaml
vendor/*/
tmp/
cover/
yq
# snapcraft
parts/
prime/
.snapcraft/
yq*.snap
-6
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@@ -1,6 +0,0 @@
language: go
go:
- 1.9.x
script:
- scripts/devtools.sh
- make local build
-24
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FROM golang:1.9 as builder
WORKDIR /go/src/mikefarah/yq
# cache devtools
COPY ./scripts/devtools.sh /go/src/mikefarah/yq/scripts/devtools.sh
RUN ./scripts/devtools.sh
# cache vendor
COPY ./vendor/vendor.json /go/src/mikefarah/yq/vendor/vendor.json
RUN govendor sync
COPY . /go/src/mikefarah/yq
RUN CGO_ENABLED=0 make local build
# 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:3.7
COPY --from=builder /go/src/mikefarah/yq/yq /usr/bin/yq
RUN chmod +x /usr/bin/yq
WORKDIR /workdir
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FROM golang:1.9
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 CGO_ENABLED 0
ENV GOPATH /go:/yq
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@@ -1,19 +0,0 @@
Copyright (c) 2017 Mike Farah
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.
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MAKEFLAGS += --warn-undefined-variables
SHELL := /bin/bash
.SHELLFLAGS := -o pipefail -euc
.DEFAULT_GOAL := install
include Makefile.variables
.PHONY: help
help:
@echo 'Management commands for cicdtest:'
@echo
@echo 'Usage:'
@echo ' ## Develop / Test Commands'
@echo ' make build Build yq binary.'
@echo ' make install Install yq.'
@echo ' make xcompile Build cross-compiled binaries of yq.'
@echo ' make snap Build a snap package of yq.'
@echo ' make vendor Install dependencies using govendor.'
@echo ' make format Run code formatter.'
@echo ' make check Run static code analysis (lint).'
@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.'
@echo
@echo ' ## Utility Commands'
@echo ' make setup Configures Minishfit/Docker directory mounts.'
@echo
.PHONY: clean
clean:
@rm -rf bin build cover *.out
## prefix before other make targets to run in your local dev environment
local: | quiet
@$(eval DOCKRUN= )
@mkdir -p tmp
@touch tmp/dev_image_id
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
# ----------------------------------------------
# build
.PHONY: build
build: build/dev
.PHONY: build/dev
build/dev: test *.go
@mkdir -p bin/
${DOCKRUN} go build --ldflags "$(LDFLAGS)"
${DOCKRUN} 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
@find build -type d -exec chmod 755 {} \; || :
@find build -type f -exec chmod 755 {} \; || :
.PHONY: snap
snap:
snapcraft
.PHONY: install
install: build
${DOCKRUN} 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} govendor sync
@chmod 664 vendor/vendor.json
# ----------------------------------------------
# develop and test
.PHONY: format
format: vendor
${DOCKRUN} bash ./scripts/format.sh
.PHONY: check
check: format
${DOCKRUN} bash ./scripts/check.sh
.PHONY: test
test: check
${DOCKRUN} bash ./scripts/test.sh
.PHONY: cover
cover: check
@rm -rf cover/
@mkdir -p cover
${DOCKRUN} 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
${DOCKRUN} bash ./scripts/publish.sh
# ----------------------------------------------
# utilities
.PHONY: setup
setup:
@bash ./scripts/setup.sh
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export PROJECT = yq
IMPORT_PATH := github.com/mikefarah/${PROJECT}
export GIT_COMMIT = $(shell git rev-parse --short HEAD)
export GIT_DIRTY = $(shell test -n "$$(git status --porcelain)" && echo "+CHANGES" || true)
export GIT_DESCRIBE = $(shell git describe --tags --always)
LDFLAGS :=
LDFLAGS += -X main.GitCommit=${GIT_COMMIT}${GIT_DIRTY}
LDFLAGS += -X main.GitDescribe=${GIT_DESCRIBE}
GITHUB_TOKEN ?=
# Windows environment?
CYG_CHECK := $(shell hash cygpath 2>/dev/null && echo 1)
ifeq ($(CYG_CHECK),1)
VBOX_CHECK := $(shell hash VBoxManage 2>/dev/null && echo 1)
# Docker Toolbox (pre-Windows 10)
ifeq ($(VBOX_CHECK),1)
ROOT := /${PROJECT}
else
# Docker Windows
ROOT := $(shell cygpath -m -a "$(shell pwd)")
endif
else
# all non-windows environments
ROOT := $(shell pwd)
endif
DEV_IMAGE := ${PROJECT}_dev
DOCKRUN := docker run --rm \
-e LDFLAGS="${LDFLAGS}" \
-e GITHUB_TOKEN="${GITHUB_TOKEN}" \
-v ${ROOT}/vendor:/go/src \
-v ${ROOT}:/${PROJECT}/src/${IMPORT_PATH} \
-w /${PROJECT}/src/${IMPORT_PATH} \
${DEV_IMAGE}
+62 -87
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# yq
# 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)
a lightweight and portable command-line YAML, JSON, INI and XML processor. `yq` uses [jq](https://github.com/stedolan/jq) like syntax but works with yaml files as well as json, xml, ini, 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.
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.
a lightweight and portable command-line YAML processor
## Quick Usage Guide
The aim of the project is to be the [jq](https://github.com/stedolan/jq) or sed of yaml files.
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, in place
```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
# merge two files
yq -n 'load("file1.yaml") * load("file2.yaml")'
# merge using globs:
# 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
```
Find and update an item in an array:
```bash
yq '(.[] | select(.name == "foo") | .address) = "12 cat st"'
```
Convert JSON to YAML
```bash
yq -Poy sample.json
```
See [recipes](https://mikefarah.gitbook.io/yq/recipes) for more examples and the [documentation](https://mikefarah.gitbook.io/yq/) for more information.
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:
```
brew install yq
```
On Ubuntu and other Linux distros supporting `snap` packages:
```
snap install yq
```
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:
```
go get gopkg.in/mikefarah/yq.v2
```
## Run with Docker
See the [github page](https://github.com/mikefarah/yq/#install) for the various ways you can install and use `yq`
Oneshot use:
## 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)
```bash
docker run -v ${PWD}:/workdir mikefarah/yq yq [flags] <command> FILE...
```
Run commands interactively:
```bash
docker run -it -v ${PWD}:/workdir mikefarah/yq sh
```
## 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
- 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
## [Usage](http://mikefarah.github.io/yq/)
Check out the [documentation](http://mikefarah.github.io/yq/) for more detailed and advanced usage.
```
Usage:
yq [flags]
yq [command]
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
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
Flags:
-h, --help help for yq
-t, --trim trim yaml output (default true)
-v, --verbose verbose mode
-V, --version Print version information and quit
Use "yq [command] --help" for more information about a command.
```
## Contribute
1. `scripts/devtools.sh`
2. `make [local] vendor`
3. add unit tests
4. apply changes (use govendor with a preference to [gopkg](https://gopkg.in/) for package dependencies)
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.
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# Table of contents
* [yq](README.md)
* [How It Works](how-it-works.md)
* [Recipes](usage/recipes.md)
* [Upgrading from V3](upgrading-from-v3.md)
## Commands
* [Evaluate](commands/evaluate.md)
* [Evaluate All](commands/evaluate-all.md)
* [Shell Completion](commands/shell-completion.md)
***
* [Operators](operators/README.md)
* [Add](operators/add.md)
* [Alternative (Default value)](operators/alternative-default-value.md)
* [Anchor and Alias Operators](operators/anchor-and-alias-operators.md)
* [Array to Map](operators/array-to-map.md)
* [Assign (Update)](operators/assign-update.md)
* [Boolean Operators](operators/boolean-operators.md)
* [Collect into Array](operators/collect-into-array.md)
* [Column](operators/column.md)
* [Comment Operators](operators/comment-operators.md)
* [Compare Operators](operators/compare.md)
* [Contains](operators/contains.md)
* [Create, Collect into Object](operators/create-collect-into-object.md)
* [Date Time](operators/datetime.md)
* [Delete](operators/delete.md)
* [Divide](operators/divide.md)
* [Document Index](operators/document-index.md)
* [Encode / Decode](operators/encode-decode.md)
* [Entries](operators/entries.md)
* [Env Variable Operators](operators/env-variable-operators.md)
* [Equals](operators/equals.md)
* [Eval](operators/eval.md)
* [File Operators](operators/file-operators.md)
* [Filter Operator](operators/filter.md)
* [First Operator](operators/first.md)
* [Flatten](operators/flatten.md)
* [Group By](operators/group-by.md)
* [Has](operators/has.md)
* [Keys](operators/keys.md)
* [Kind](operators/kind.md)
* [Length](operators/length.md)
* [Line](operators/line.md)
* [Load](operators/load.md)
* [Min](operators/min.md)
* [Map](operators/map.md)
* [Max](operators/max.md)
* [Modulo](operators/modulo.md)
* [Multiply (Merge)](operators/multiply-merge.md)
* [Omit](operators/omit.md)
* [Parent](operators/parent.md)
* [Path](operators/path.md)
* [Pick](operators/pick.md)
* [Pipe](operators/pipe.md)
* [Pivot](operators/pivot.md)
* [Recursive Descent (Glob)](operators/recursive-descent-glob.md)
* [Reduce](operators/reduce.md)
* [Reverse](operators/reverse.md)
* [Select](operators/select.md)
* [Shuffle](operators/shuffle.md)
* [Slice Array](operators/slice-array.md)
* [Sort](operators/sort.md)
* [Sort Keys](operators/sort-keys.md)
* [Split into Documents](operators/split-into-documents.md)
* [String Operators](operators/string-operators.md)
* [Style](operators/style.md)
* [Subtract](operators/subtract.md)
* [System](operators/system-operators.md)
* [Tag](operators/tag.md)
* [To Number](operators/to_number.md)
* [Traverse (Read)](operators/traverse-read.md)
* [Union](operators/union.md)
* [Unique](operators/unique.md)
* [Variable Operators](operators/variable-operators.md)
* [With](operators/with.md)
## Usage
* [Output format](usage/output-format.md)
* [Working with Base64](usage/base64.md)
* [Working with CSV, TSV](usage/csv-tsv.md)
* [Working with JSON](usage/convert.md)
* [Working with Properties](usage/properties.md)
* [Working with XML](usage/xml.md)
* [Working with HCL](usage/hcl.md)
* [Working with LUA](usage/lua.md)
* [Working with TOML](usage/toml.md)
* [Working with KYAML](usage/kyaml.md)
* [Working with Shell Output](usage/shellvariables.md)
* [Front Matter](usage/front-matter.md)
* [Split into multiple files](usage/split-into-multiple-files.md)
* [GitHub Action](usage/github-action.md)
* [Tips, Tricks, Troubleshooting](usage/tips-and-tricks.md)
***
* [Github Page](https://github.com/mikefarah/yq)
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---
description: >-
Read all documents of all given yaml files into memory, then run the given
expression once against the lot.
---
# Evaluate All
Evaluate All is most useful when needing to run expressions that depend on multiple yaml documents or files. Merge is probably the most common reason why evaluate all would be used. Note that `eval-all` consumes more memory than `evaluate`.
Like `evaluate` you can use `-` to pipe from STDIN.
## Usage
```bash
yq eval-all [expression] [yaml_file1]... [flags]
```
Aliases: `eval-all, ea`
## Examples
```bash
# merges f2.yml into f1.yml (inplace)
yq eval-all --inplace 'select(fileIndex == 0) * select(fileIndex == 1)' f1.yml f2.yml
# you can merge into a file, piping from STDIN
cat somefile.yml | yq eval-all --inplace 'select(fileIndex == 0) * select(fileIndex == 1)' f1.yml -
```
## Flags
```bash
-h, --help help for eval-all
-C, --colors force print with colors
-e, --exit-status set exit status if there are no matches or null or false is returned
-I, --indent int sets indent level for output (default 2)
-i, --inplace update the yaml file inplace of first yaml file given.
-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 yaml docs from scratch.
-j, --tojson output as json. Set indent to 0 to print json in one line.
-v, --verbose verbose mode
```
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---
description: >-
Evaluates the given expression against each yaml document in each file, in
sequence
---
# Evaluate
Note that (as of 4.18.1) this is the default command when none is supplied to yq.
## Usage:
```bash
yq eval [expression] [yaml_file1]... [flags]
```
Aliases: `eval, e`
Note that you can pass in `-` as a filename to pipe from STDIN.
## Examples:
```bash
# runs the expression against each file, in series
yq '.a.b | length' f1.yml f2.yml
# '-' will pipe from STDIN
cat file.yml | yq '.a.b' f1.yml - f2.yml
# prints out the file
yq sample.yaml
cat sample.yml | yq e
# prints a new yaml document
yq -n '.a.b.c = "cat"'
# updates file.yaml directly
yq '.a.b = "cool"' -i file.yaml
```
## Flags:
```
-h, --help help for eval
-C, --colors force print with colors
-e, --exit-status set exit status if there are no matches or null or false is returned
-I, --indent int sets indent level for output (default 2)
-i, --inplace update the yaml file inplace of first yaml file given.
-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 yaml docs from scratch.
-j, --tojson output as json. Set indent to 0 to print json in one line.
-v, --verbose verbose mode
```
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---
description: >-
Generate a shell completion file for supported shells
(bash/fish/zsh/powershell)
---
# Shell Completion
```bash
yq shell-completion zsh
```
Prints to StdOut a shell completion script for zsh shell.
### Bash (default)
```bash
source <(yq shell-completion bash)
```
#### To load completions for each session, execute once:
Linux:
```bash
yq shell-completion bash > /etc/bash_completion.d/yq
```
MacOS:
```bash
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:
```bash
echo "autoload -U compinit; compinit" >> ~/.zshrc
```
#### To load completions for each session, execute once:
```bash
yq shell-completion zsh > "${fpath[1]}/_yq"
```
You will need to start a new shell for this setup to take effect.
### fish
```bash
yq shell-completion fish | source
```
#### To load completions for each session, execute once:
```
yq shell-completion fish > ~/.config/fish/completions/yq.fish
```
### PowerShell
```bash
yq shell-completion powershell
```
Users need PowerShell version 5.0 or above, which comes with Windows 10 and can be downloaded separately for Windows 7 or 8.1. They can then write the completions to a file and source this file from their PowerShell profile, which is referenced by the $Profile environment variable.
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package main
import (
"fmt"
"os"
"strings"
"testing"
"gopkg.in/spf13/cobra.v0"
)
func getRootCommand() *cobra.Command {
return newCommandCLI()
}
func TestRootCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "")
if result.Error != nil {
t.Error(result.Error)
}
if !strings.Contains(result.Output, "Usage:") {
t.Error("Expected usage message to be printed out, but the usage message was not found.")
}
}
func TestRootCmd_VerboseLong(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "--verbose")
if result.Error != nil {
t.Error(result.Error)
}
if !verbose {
t.Error("Expected verbose to be true")
}
}
func TestRootCmd_VerboseShort(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "-v")
if result.Error != nil {
t.Error(result.Error)
}
if !verbose {
t.Error("Expected verbose to be true")
}
}
func TestRootCmd_TrimLong(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "--trim")
if result.Error != nil {
t.Error(result.Error)
}
if !trimOutput {
t.Error("Expected trimOutput to be true")
}
}
func TestRootCmd_TrimShort(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "-t")
if result.Error != nil {
t.Error(result.Error)
}
if !trimOutput {
t.Error("Expected trimOutput to be true")
}
}
func TestRootCmd_VersionShort(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "-V")
if result.Error != nil {
t.Error(result.Error)
}
if !strings.Contains(result.Output, "yq version") {
t.Error("expected version message to be printed out, but the message was not found.")
}
}
func TestRootCmd_VersionLong(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "--version")
if result.Error != nil {
t.Error(result.Error)
}
if !strings.Contains(result.Output, "yq version") {
t.Error("expected version message to be printed out, but the message was not found.")
}
}
func TestReadCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read examples/sample.yaml b.c")
if result.Error != nil {
t.Error(result.Error)
}
assertResult(t, "2\n", result.Output)
}
func TestReadInvalidDocumentIndexCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read -df examples/sample.yaml b.c")
if result.Error == nil {
t.Error("Expected command to fail due to invalid path")
}
expectedOutput := `Document index f is not a integer or *: strconv.ParseInt: parsing "f": invalid syntax`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestReadBadDocumentIndexCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read -d1 examples/sample.yaml b.c")
if result.Error == nil {
t.Error("Expected command to fail due to invalid path")
}
expectedOutput := `Asked to process document index 1 but there are only 1 document(s)`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestReadOrderCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read examples/order.yaml")
if result.Error != nil {
t.Error(result.Error)
}
assertResult(t,
`version: 3
application: MyApp
`,
result.Output)
}
func TestReadMultiCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read -d 1 examples/multiple_docs.yaml another.document")
if result.Error != nil {
t.Error(result.Error)
}
assertResult(t, "here\n", result.Output)
}
func TestReadMultiAllCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read -d* examples/multiple_docs.yaml commonKey")
if result.Error != nil {
t.Error(result.Error)
}
assertResult(t,
`- first document
- second document
- third document
`, result.Output)
}
func TestReadCmd_ArrayYaml(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read examples/array.yaml [0].gather_facts")
if result.Error != nil {
t.Error(result.Error)
}
assertResult(t, "false\n", result.Output)
}
func TestReadCmd_ArrayYaml_NoPath(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read examples/array.yaml")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `- become: true
gather_facts: false
hosts: lalaland
name: Apply smth
roles:
- lala
- land
serial: 1
`
assertResult(t, expectedOutput, result.Output)
}
func TestReadCmd_ArrayYaml_OneElement(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read examples/array.yaml [0]")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `become: true
gather_facts: false
hosts: lalaland
name: Apply smth
roles:
- lala
- land
serial: 1
`
assertResult(t, expectedOutput, result.Output)
}
func TestReadCmd_ArrayYaml_Splat(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read examples/array.yaml [*]")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `- become: true
gather_facts: false
hosts: lalaland
name: Apply smth
roles:
- lala
- land
serial: 1
`
assertResult(t, expectedOutput, result.Output)
}
func TestReadCmd_ArrayYaml_SplatKey(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read examples/array.yaml [*].gather_facts")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := "- false\n"
assertResult(t, expectedOutput, result.Output)
}
func TestReadCmd_ArrayYaml_ErrorBadPath(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read examples/array.yaml [x].gather_facts")
if result.Error == nil {
t.Error("Expected command to fail due to invalid path")
}
expectedOutput := `Error reading path in document index 0: Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestReadCmd_ArrayYaml_Splat_ErrorBadPath(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read examples/array.yaml [*].roles[x]")
if result.Error == nil {
t.Error("Expected command to fail due to invalid path")
}
expectedOutput := `Error reading path in document index 0: Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestReadCmd_Error(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read")
if result.Error == nil {
t.Error("Expected command to fail due to missing arg")
}
expectedOutput := `Must provide filename`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestReadCmd_ErrorEmptyFilename(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read ")
if result.Error == nil {
t.Error("Expected command to fail due to missing arg")
}
expectedOutput := `Must provide filename`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestReadCmd_ErrorUnreadableFile(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read fake-unknown")
if result.Error == nil {
t.Error("Expected command to fail due to unknown file")
}
expectedOutput := `open fake-unknown: no such file or directory`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestReadCmd_ErrorBadPath(t *testing.T) {
content := `b:
d:
e:
- 3
- 4
f:
- 1
- 2
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("read %s b.d.*.[x]", filename))
if result.Error == nil {
t.Fatal("Expected command to fail due to invalid path")
}
expectedOutput := `Error reading path in document index 0: Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestReadCmd_Verbose(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "-v read examples/sample.yaml b.c")
if result.Error != nil {
t.Error(result.Error)
}
assertResult(t, "2\n", result.Output)
}
func TestReadCmd_NoTrim(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "--trim=false read examples/sample.yaml b.c")
if result.Error != nil {
t.Error(result.Error)
}
assertResult(t, "2\n\n", result.Output)
}
func TestReadCmd_ToJson(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read -j examples/sample.yaml b.c")
if result.Error != nil {
t.Error(result.Error)
}
assertResult(t, "2\n", result.Output)
}
func TestReadCmd_ToJsonLong(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "read --tojson examples/sample.yaml b.c")
if result.Error != nil {
t.Error(result.Error)
}
assertResult(t, "2\n", result.Output)
}
func TestNewCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "new b.c 3")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `b:
c: 3
`
assertResult(t, expectedOutput, result.Output)
}
func TestNewCmd_Error(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "new b.c")
if result.Error == nil {
t.Error("Expected command to fail due to missing arg")
}
expectedOutput := `Must provide <path_to_update> <value>`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestNewCmd_Verbose(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "-v new b.c 3")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `b:
c: 3
`
assertResult(t, expectedOutput, result.Output)
}
func TestWriteCmd(t *testing.T) {
content := `b:
c: 3
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("write %s b.c 7", filename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `b:
c: 7
`
assertResult(t, expectedOutput, result.Output)
}
func TestWriteMultiCmd(t *testing.T) {
content := `b:
c: 3
---
apples: great
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("write %s -d 1 apples ok", filename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `b:
c: 3
---
apples: ok
`
assertResult(t, expectedOutput, result.Output)
}
func TestWriteInvalidDocumentIndexCmd(t *testing.T) {
content := `b:
c: 3
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("write %s -df apples ok", filename))
if result.Error == nil {
t.Error("Expected command to fail due to invalid path")
}
expectedOutput := `Document index f is not a integer or *: strconv.ParseInt: parsing "f": invalid syntax`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestWriteBadDocumentIndexCmd(t *testing.T) {
content := `b:
c: 3
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("write %s -d 1 apples ok", filename))
if result.Error == nil {
t.Error("Expected command to fail due to invalid path")
}
expectedOutput := `Asked to process document index 1 but there are only 1 document(s)`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestWriteMultiAllCmd(t *testing.T) {
content := `b:
c: 3
---
apples: great
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("write %s -d * apples ok", filename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `b:
c: 3
apples: ok
---
apples: ok`
assertResult(t, expectedOutput, strings.Trim(result.Output, "\n "))
}
func TestWriteCmd_EmptyArray(t *testing.T) {
content := `b: 3`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("write %s a []", filename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `b: 3
a: []
`
assertResult(t, expectedOutput, result.Output)
}
func TestWriteCmd_Error(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "write")
if result.Error == nil {
t.Error("Expected command to fail due to missing arg")
}
expectedOutput := `Must provide <filename> <path_to_update> <value>`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestWriteCmd_ErrorUnreadableFile(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "write fake-unknown a.b 3")
if result.Error == nil {
t.Error("Expected command to fail due to unknown file")
}
expectedOutput := `open fake-unknown: no such file or directory`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestWriteCmd_Verbose(t *testing.T) {
content := `b:
c: 3
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("-v write %s b.c 7", filename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `b:
c: 7
`
assertResult(t, expectedOutput, result.Output)
}
func TestWriteCmd_Inplace(t *testing.T) {
content := `b:
c: 3
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("write -i %s b.c 7", filename))
if result.Error != nil {
t.Error(result.Error)
}
gotOutput := readTempYamlFile(filename)
expectedOutput := `b:
c: 7`
assertResult(t, expectedOutput, strings.Trim(gotOutput, "\n "))
}
func TestWriteCmd_Append(t *testing.T) {
content := `b:
- foo
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("write %s b[+] 7", filename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `b:
- foo
- 7
`
assertResult(t, expectedOutput, result.Output)
}
func TestWriteCmd_AppendEmptyArray(t *testing.T) {
content := `a: 2
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("write %s b[+] v", filename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `a: 2
b:
- v
`
assertResult(t, expectedOutput, result.Output)
}
func TestDeleteYaml(t *testing.T) {
content := `a: 2
b:
c: things
d: something else
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("delete %s b.c", filename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `a: 2
b:
d: something else
`
assertResult(t, expectedOutput, result.Output)
}
func TestDeleteYamlArray(t *testing.T) {
content := `- 1
- 2
- 3
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("delete %s [1]", filename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `- 1
- 3
`
assertResult(t, expectedOutput, result.Output)
}
func TestDeleteYamlMulti(t *testing.T) {
content := `apples: great
---
- 1
- 2
- 3
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("delete -d 1 %s [1]", filename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `apples: great
---
- 1
- 3
`
assertResult(t, expectedOutput, result.Output)
}
func TestDeleteYamlMultiAllCmd(t *testing.T) {
content := `b:
c: 3
apples: great
---
apples: great
something: else
`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("delete %s -d * apples", filename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `b:
c: 3
---
something: else`
assertResult(t, expectedOutput, strings.Trim(result.Output, "\n "))
}
func TestMergeCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "merge examples/data1.yaml examples/data2.yaml")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `a: simple
b:
- 1
- 2
c:
test: 1
`
assertResult(t, expectedOutput, result.Output)
}
func TestMergeOverwriteCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "merge --overwrite examples/data1.yaml examples/data2.yaml")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `a: other
b:
- 3
- 4
c:
test: 1
`
assertResult(t, expectedOutput, result.Output)
}
func TestMergeAppendCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "merge --append examples/data1.yaml examples/data2.yaml")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `a: simple
b:
- 1
- 2
- 3
- 4
c:
test: 1
`
assertResult(t, expectedOutput, result.Output)
}
func TestMergeArraysCmd(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "merge --append examples/sample_array.yaml examples/sample_array_2.yaml")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `- 1
- 2
- 3
- 4
- 5
`
assertResult(t, expectedOutput, result.Output)
}
func TestMergeCmd_Multi(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "merge -d1 examples/multiple_docs_small.yaml examples/data2.yaml")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `a: Easy! as one two three
---
a: other
another:
document: here
b:
- 3
- 4
c:
test: 1
---
- 1
- 2`
assertResult(t, expectedOutput, strings.Trim(result.Output, "\n "))
}
func TestMergeYamlMultiAllCmd(t *testing.T) {
content := `b:
c: 3
apples: green
---
something: else`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
mergeContent := `apples: red
something: good`
mergeFilename := writeTempYamlFile(mergeContent)
defer removeTempYamlFile(mergeFilename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("merge -d* %s %s", filename, mergeFilename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `apples: green
b:
c: 3
something: good
---
apples: red
something: else`
assertResult(t, expectedOutput, strings.Trim(result.Output, "\n "))
}
func TestMergeYamlMultiAllOverwriteCmd(t *testing.T) {
content := `b:
c: 3
apples: green
---
something: else`
filename := writeTempYamlFile(content)
defer removeTempYamlFile(filename)
mergeContent := `apples: red
something: good`
mergeFilename := writeTempYamlFile(mergeContent)
defer removeTempYamlFile(mergeFilename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("merge --overwrite -d* %s %s", filename, mergeFilename))
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `apples: red
b:
c: 3
something: good
---
apples: red
something: good`
assertResult(t, expectedOutput, strings.Trim(result.Output, "\n "))
}
func TestMergeCmd_Error(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "merge examples/data1.yaml")
if result.Error == nil {
t.Error("Expected command to fail due to missing arg")
}
expectedOutput := `Must provide at least 2 yaml files`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestMergeCmd_ErrorUnreadableFile(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "merge examples/data1.yaml fake-unknown")
if result.Error == nil {
t.Error("Expected command to fail due to unknown file")
}
expectedOutput := `Error updating document at index 0: open fake-unknown: no such file or directory`
assertResult(t, expectedOutput, result.Error.Error())
}
func TestMergeCmd_Verbose(t *testing.T) {
cmd := getRootCommand()
result := runCmd(cmd, "-v merge examples/data1.yaml examples/data2.yaml")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `a: simple
b:
- 1
- 2
c:
test: 1
`
assertResult(t, expectedOutput, result.Output)
}
func TestMergeCmd_Inplace(t *testing.T) {
filename := writeTempYamlFile(readTempYamlFile("examples/data1.yaml"))
err := os.Chmod(filename, os.FileMode(int(0666)))
if err != nil {
t.Error(err)
}
defer removeTempYamlFile(filename)
cmd := getRootCommand()
result := runCmd(cmd, fmt.Sprintf("merge -i %s examples/data2.yaml", filename))
if result.Error != nil {
t.Error(result.Error)
}
info, _ := os.Stat(filename)
gotOutput := readTempYamlFile(filename)
expectedOutput := `a: simple
b:
- 1
- 2
c:
test: 1`
assertResult(t, expectedOutput, strings.Trim(gotOutput, "\n "))
assertResult(t, os.FileMode(int(0666)), info.Mode())
}
-282
View File
@@ -1,282 +0,0 @@
package main
import (
"fmt"
"strconv"
yaml "gopkg.in/mikefarah/yaml.v2"
)
func entryInSlice(context yaml.MapSlice, key interface{}) *yaml.MapItem {
for idx := range context {
var entry = &context[idx]
if entry.Key == key {
return entry
}
}
return nil
}
func getMapSlice(context interface{}) yaml.MapSlice {
var mapSlice yaml.MapSlice
switch context.(type) {
case yaml.MapSlice:
mapSlice = context.(yaml.MapSlice)
default:
mapSlice = make(yaml.MapSlice, 0)
}
return mapSlice
}
func getArray(context interface{}) (array []interface{}, ok bool) {
switch context.(type) {
case []interface{}:
array = context.([]interface{})
ok = true
default:
array = make([]interface{}, 0)
ok = false
}
return
}
func writeMap(context interface{}, paths []string, value interface{}) yaml.MapSlice {
log.Debugf("writeMap for %v for %v with value %v\n", paths, context, value)
mapSlice := getMapSlice(context)
if len(paths) == 0 {
return mapSlice
}
child := entryInSlice(mapSlice, paths[0])
if child == nil {
newChild := yaml.MapItem{Key: paths[0]}
mapSlice = append(mapSlice, newChild)
child = entryInSlice(mapSlice, paths[0])
log.Debugf("\tAppended child at %v for mapSlice %v\n", paths[0], mapSlice)
}
log.Debugf("\tchild.Value %v\n", child.Value)
remainingPaths := paths[1:]
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
}
_, nextIndexErr := strconv.ParseInt(remainingPaths[0], 10, 64)
if nextIndexErr != nil && remainingPaths[0] != "+" {
// must be a map
return writeMap(child, remainingPaths, value)
}
// must be an array
return writeArray(child, remainingPaths, value)
}
func writeArray(context interface{}, paths []string, value interface{}) []interface{} {
log.Debugf("writeArray for %v for %v with value %v\n", paths, context, value)
array, _ := getArray(context)
if len(paths) == 0 {
return array
}
log.Debugf("\tarray %v\n", array)
rawIndex := paths[0]
var index int64
// the append array indicator
if rawIndex == "+" {
index = int64(len(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)
remainingPaths := paths[1:]
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) {
if head == "*" {
return readMapSplat(context, tail)
}
var value interface{}
entry := entryInSlice(context, head)
if entry != nil {
value = entry.Value
}
return calculateValue(value, tail)
}
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.(type) {
case []interface{}:
if head == "*" {
return readArraySplat(value.([]interface{}), tail)
}
index, err := strconv.ParseInt(head, 10, 64)
if err != nil {
return nil, fmt.Errorf("Error accessing array: %v", err)
}
return readArray(value.([]interface{}), index, tail)
case yaml.MapSlice:
return readMap(value.(yaml.MapSlice), 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 {
log.Debugf("deleteMap for %v for %v\n", paths, context)
mapSlice := getMapSlice(context)
if len(paths) == 0 {
return mapSlice
}
var found bool
var index int
var child yaml.MapItem
for index, child = range mapSlice {
if child.Key == paths[0] {
found = true
break
}
}
if !found {
return mapSlice
}
remainingPaths := paths[1:]
var newSlice yaml.MapSlice
if len(remainingPaths) > 0 {
newChild := yaml.MapItem{Key: child.Key}
newChild.Value = deleteChildValue(child.Value, remainingPaths)
newSlice = make(yaml.MapSlice, len(mapSlice))
for i := range mapSlice {
item := mapSlice[i]
if i == index {
item = newChild
}
newSlice[i] = item
}
} else {
// Delete item from slice at index
newSlice = append(mapSlice[:index], mapSlice[index+1:]...)
log.Debugf("\tDeleted item index %d from mapSlice", index)
}
log.Debugf("\t\tlen: %d\tcap: %d\tslice: %v", len(mapSlice), cap(mapSlice), mapSlice)
log.Debugf("\tReturning mapSlice %v\n", mapSlice)
return newSlice
}
func deleteArray(context interface{}, paths []string, index int64) interface{} {
log.Debugf("deleteArray for %v for %v\n", paths, context)
array, ok := getArray(context)
if !ok {
// did not get an array
return context
}
if index >= int64(len(array)) {
return array
}
remainingPaths := paths[1:]
if len(remainingPaths) > 0 {
// Recurse into the array element at index
array[index] = deleteMap(array[index], remainingPaths)
} 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
}
func deleteChildValue(child interface{}, remainingPaths []string) interface{} {
log.Debugf("deleteChildValue for %v for %v\n", remainingPaths, child)
idx, nextIndexErr := strconv.ParseInt(remainingPaths[0], 10, 64)
if nextIndexErr != nil {
// must be a map
log.Debugf("\tdetected a map, invoking deleteMap\n")
return deleteMap(child, remainingPaths)
}
log.Debugf("\tdetected an array, so traversing element with index %d\n", idx)
return deleteArray(child, remainingPaths, idx)
}
-387
View File
@@ -1,387 +0,0 @@
package main
import (
"fmt"
"sort"
"testing"
yaml "gopkg.in/mikefarah/yaml.v2"
)
func TestReadMap_simple(t *testing.T) {
var data = parseData(`
---
b:
c: 2
`)
got, _ := readMap(data, "b", []string{"c"})
assertResult(t, 2, got)
}
func TestReadMap_splat(t *testing.T) {
var data = parseData(`
---
mapSplat:
item1: things
item2: whatever
`)
res, _ := readMap(data, "mapSplat", []string{"*"})
result := res.([]interface{})
var actual = []string{result[0].(string), result[1].(string)}
sort.Strings(actual)
assertResult(t, "[things whatever]", fmt.Sprintf("%v", actual))
}
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")
b := entryInSlice(updated, "b").Value
assertResult(t, "4", b)
}
func TestWrite_simple(t *testing.T) {
var data = parseData(`
b:
c: 2
`)
updated := writeMap(data, []string{"b", "c"}, "4")
b := entryInSlice(updated, "b").Value.(yaml.MapSlice)
c := entryInSlice(b, "c").Value
assertResult(t, "4", c)
}
func TestWrite_new(t *testing.T) {
var data = parseData(`
b:
c: 2
`)
updated := writeMap(data, []string{"b", "d"}, "4")
b := entryInSlice(updated, "b").Value.(yaml.MapSlice)
d := entryInSlice(b, "d").Value
assertResult(t, "4", d)
}
func TestWrite_new_deep(t *testing.T) {
var data = parseData(`
b:
c: 2
`)
updated := writeMap(data, []string{"b", "d", "f"}, "4")
got, _ := readMap(updated, "b", []string{"d", "f"})
assertResult(t, "4", got)
}
func TestWrite_array(t *testing.T) {
var data = parseData(`
b:
- aa
`)
updated := writeMap(data, []string{"b", "0"}, "bb")
b := entryInSlice(updated, "b").Value.([]interface{})
assertResult(t, "bb", b[0].(string))
}
func TestWrite_new_array(t *testing.T) {
var data = parseData(`
b:
c: 2
`)
updated := writeMap(data, []string{"b", "0"}, "4")
got, _ := readMap(updated, "b", []string{"0"})
assertResult(t, "4", got)
}
func TestWrite_new_array_deep(t *testing.T) {
var data = parseData(`
b:
c: 2
`)
var expected = `b:
- c: "4"`
updated := writeMap(data, []string{"b", "0", "c"}, "4")
got, _ := yamlToString(updated)
assertResult(t, expected, got)
}
func TestWrite_new_map_array_deep(t *testing.T) {
var data = parseData(`
b:
c: 2
`)
updated := writeMap(data, []string{"b", "d", "0"}, "4")
got, _ := readMap(updated, "b", []string{"d", "0"})
assertResult(t, "4", 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")
b := entryInSlice(updated, "b").Value
assertResult(t, "4", fmt.Sprintf("%v", b))
}
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))
}
-19
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@@ -1,19 +0,0 @@
yq (2.1-0) bionic; urgency=medium
* Ability to read multiple documents in a single file
* Ability to append list items instead of overwriting
-- Roberto Mier Escandón <rmescandon@gmail.com> Tue, 10 Jul 2018 14:02:42 +0200
yq (2.0-0) bionic; urgency=medium
* Release 2.0.0
-- Roberto Mier Escandón <rmescandon@gmail.com> Wed, 20 Jun 2018 10:29:53 +0200
yq (1.15-0) bionic; urgency=medium
* Release 1.15
-- Roberto Mier Escandón <rmescandon@gmail.com> Wed, 06 Jun 2018 11:32:03 +0200
-1
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@@ -1 +0,0 @@
9
-22
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@@ -1,22 +0,0 @@
Source: yq
Section: devel
Priority: extra
Maintainer: Roberto Mier Escandón <rmescandon@gmail.com>
Build-Depends: debhelper (>= 9),
dh-golang,
golang-1.10-go,
rsync
Standards-Version: 3.9.6
Homepage: https://github.com/mikefarah/yq.git
Vcs-Browser: https://github.com/mikefarah/yq.git
Vcs-Git: https://github.com/mikefarah/yq.git
Package: yq
Architecture: all
Built-Using: ${misc:Built-Using}
Depends: ${shlibs:Depends},
${misc:Depends}
Description:
a 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.
-7
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@@ -1,7 +0,0 @@
Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: yq
Source: https://github.com/mikefarah/yq.git
Files: *
Copyright: 2017 Mike Farah Ltd. All rights reserved
License: Proprietary
-2
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@@ -1,2 +0,0 @@
[DEFAULT]
pristine-tar = True
-59
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@@ -1,59 +0,0 @@
#!/usr/bin/make -f
#
# Copyright (C) 2018 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
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# 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 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}
DESTDIR := ${CURDIR}/debian/${PROJECT}
BINDIR := /usr/bin
ASSETSDIR := /usr/share/${PROJECT}
%:
dh $@ --buildsystem=golang --with=golang
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)
# build go code
(cd ${SRCDIR} && go install ./...)
override_dh_auto_test:
(cd ${SRCDIR} && go test -v ./...)
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}
chmod a+x ${DESTDIR}/${BINDIR}/yq
override_dh_auto_clean:
dh_clean
rm -rf ${CURDIR}/obj-${BLDPATH}
rm -rf ${CURDIR}/_build
-1
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@@ -1 +0,0 @@
3.0 (native)
-373
View File
@@ -1,373 +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-0.17.5, mkdocs-material-2.9.2">
<title>Yq</title>
<link rel="stylesheet" href="/assets/stylesheets/application.ba0fd1a6.css">
<script src="/assets/javascripts/modernizr.1aa3b519.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
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</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">
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</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">
<div class="md-sidebar__scrollwrap">
<div class="md-sidebar__inner">
<nav class="md-nav md-nav--primary" data-md-level="0">
<label class="md-nav__title md-nav__title--site" for="__drawer">
<span class="md-nav__button md-logo">
<i class="md-icon"></i>
</span>
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</label>
<div class="md-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">
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</div>
</a>
</div>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="/" title="Install" class="md-nav__link">
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</a>
</li>
<li class="md-nav__item">
<a href="/read/" title="Read" class="md-nav__link">
Read
</a>
</li>
<li class="md-nav__item">
<a href="/write/" title="Write/Update" class="md-nav__link">
Write/Update
</a>
</li>
<li class="md-nav__item">
<a href="/delete/" title="Delete" class="md-nav__link">
Delete
</a>
</li>
<li class="md-nav__item">
<a href="/create/" title="Create" class="md-nav__link">
Create
</a>
</li>
<li class="md-nav__item">
<a href="/convert/" title="Convert" class="md-nav__link">
Convert
</a>
</li>
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<a href="/merge/" title="Merge" class="md-nav__link">
Merge
</a>
</li>
</ul>
</nav>
</div>
</div>
</div>
<div class="md-content">
<article class="md-content__inner md-typeset">
<h1>404 - Not found</h1>
</article>
</div>
</div>
</main>
<footer class="md-footer">
<div class="md-footer-meta md-typeset">
<div class="md-footer-meta__inner md-grid">
<div class="md-footer-copyright">
powered by
<a href="https://www.mkdocs.org">MkDocs</a>
and
<a href="https://squidfunk.github.io/mkdocs-material/">
Material for MkDocs</a>
</div>
<div class="md-footer-social">
<link rel="stylesheet" href="/assets/fonts/font-awesome.css">
<a href="https://github.com/mikefarah" class="md-footer-social__link fa fa-github"></a>
<a href="https://www.linkedin.com/in/mike-farah-b5a75b2/" class="md-footer-social__link fa fa-linkedin"></a>
</div>
</div>
</div>
</footer>
</div>
<script src="/assets/javascripts/application.a59e2a89.js"></script>
<script>app.initialize({version:"0.17.5",url:{base:""}})</script>
</body>
</html>
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-13
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/*!
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING, SOFTWARE
* DISTRIBUTED UNDER THE LICENSE IS DISTRIBUTED ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
* SEE THE LICENSE FOR THE SPECIFIC LANGUAGE GOVERNING PERMISSIONS AND
* LIMITATIONS UNDER THE LICENSE.
*/@font-face{font-family:"Material Icons";font-style:normal;font-weight:400;src:local("Material Icons"),local("MaterialIcons-Regular"),url("specimen/MaterialIcons-Regular.woff2") format("woff2"),url("specimen/MaterialIcons-Regular.woff") format("woff"),url("specimen/MaterialIcons-Regular.ttf") format("truetype")}
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!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,i,n;e.da=function(){this.pipeline.reset(),this.pipeline.add(e.da.trimmer,e.da.stopWordFilter,e.da.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.da.stemmer))},e.da.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.da.trimmer=e.trimmerSupport.generateTrimmer(e.da.wordCharacters),e.Pipeline.registerFunction(e.da.trimmer,"trimmer-da"),e.da.stemmer=(r=e.stemmerSupport.Among,i=e.stemmerSupport.SnowballProgram,n=new function(){var e,n,t,s=[new r("hed",-1,1),new r("ethed",0,1),new r("ered",-1,1),new r("e",-1,1),new r("erede",3,1),new r("ende",3,1),new r("erende",5,1),new r("ene",3,1),new r("erne",3,1),new r("ere",3,1),new r("en",-1,1),new r("heden",10,1),new r("eren",10,1),new r("er",-1,1),new r("heder",13,1),new r("erer",13,1),new r("s",-1,2),new r("heds",16,1),new r("es",16,1),new r("endes",18,1),new r("erendes",19,1),new r("enes",18,1),new r("ernes",18,1),new r("eres",18,1),new r("ens",16,1),new r("hedens",24,1),new r("erens",24,1),new r("ers",16,1),new r("ets",16,1),new r("erets",28,1),new r("et",-1,1),new r("eret",30,1)],o=[new r("gd",-1,-1),new r("dt",-1,-1),new r("gt",-1,-1),new r("kt",-1,-1)],a=[new r("ig",-1,1),new r("lig",0,1),new r("elig",1,1),new r("els",-1,1),new r("løst",-1,2)],d=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,48,0,128],u=[239,254,42,3,0,0,0,0,0,0,0,0,0,0,0,0,16],c=new i;function l(){var e,r=c.limit-c.cursor;c.cursor>=n&&(e=c.limit_backward,c.limit_backward=n,c.ket=c.cursor,c.find_among_b(o,4)?(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)}this.setCurrent=function(e){c.setCurrent(e)},this.getCurrent=function(){return c.getCurrent()},this.stem=function(){var r,i=c.cursor;return function(){var r,i=c.cursor+3;if(n=c.limit,0<=i&&i<=c.limit){for(e=i;;){if(r=c.cursor,c.in_grouping(d,97,248)){c.cursor=r;break}if(c.cursor=r,r>=c.limit)return;c.cursor++}for(;!c.out_grouping(d,97,248);){if(c.cursor>=c.limit)return;c.cursor++}(n=c.cursor)<e&&(n=e)}}(),c.limit_backward=i,c.cursor=c.limit,function(){var e,r;if(c.cursor>=n&&(r=c.limit_backward,c.limit_backward=n,c.ket=c.cursor,e=c.find_among_b(s,32),c.limit_backward=r,e))switch(c.bra=c.cursor,e){case 1:c.slice_del();break;case 2:c.in_grouping_b(u,97,229)&&c.slice_del()}}(),c.cursor=c.limit,l(),c.cursor=c.limit,function(){var e,r,i,t=c.limit-c.cursor;if(c.ket=c.cursor,c.eq_s_b(2,"st")&&(c.bra=c.cursor,c.eq_s_b(2,"ig")&&c.slice_del()),c.cursor=c.limit-t,c.cursor>=n&&(r=c.limit_backward,c.limit_backward=n,c.ket=c.cursor,e=c.find_among_b(a,5),c.limit_backward=r,e))switch(c.bra=c.cursor,e){case 1:c.slice_del(),i=c.limit-c.cursor,l(),c.cursor=c.limit-i;break;case 2:c.slice_from("løs")}}(),c.cursor=c.limit,c.cursor>=n&&(r=c.limit_backward,c.limit_backward=n,c.ket=c.cursor,c.out_grouping_b(d,97,248)?(c.bra=c.cursor,t=c.slice_to(t),c.limit_backward=r,c.eq_v_b(t)&&c.slice_del()):c.limit_backward=r),!0}},function(e){return"function"==typeof e.update?e.update(function(e){return n.setCurrent(e),n.stem(),n.getCurrent()}):(n.setCurrent(e),n.stem(),n.getCurrent())}),e.Pipeline.registerFunction(e.da.stemmer,"stemmer-da"),e.da.stopWordFilter=e.generateStopWordFilter("ad af alle alt anden at blev blive bliver da de dem den denne der deres det dette dig din disse dog du efter eller en end er et for fra ham han hans har havde have hende hendes her hos hun hvad hvis hvor i ikke ind jeg jer jo kunne man mange med meget men mig min mine mit mod ned noget nogle nu når og også om op os over på selv sig sin sine sit skal skulle som sådan thi til ud under var vi vil ville vor være været".split(" ")),e.Pipeline.registerFunction(e.da.stopWordFilter,"stopWordFilter-da")}});
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!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="2"==e.version[0];e.jp=function(){this.pipeline.reset(),this.pipeline.add(e.jp.stopWordFilter,e.jp.stemmer),r?this.tokenizer=e.jp.tokenizer:(e.tokenizer&&(e.tokenizer=e.jp.tokenizer),this.tokenizerFn&&(this.tokenizerFn=e.jp.tokenizer))};var t=new e.TinySegmenter;e.jp.tokenizer=function(n){if(!arguments.length||null==n||null==n)return[];if(Array.isArray(n))return n.map(function(t){return r?new e.Token(t.toLowerCase()):t.toLowerCase()});for(var i=n.toString().toLowerCase().replace(/^\s+/,""),o=i.length-1;o>=0;o--)if(/\S/.test(i.charAt(o))){i=i.substring(0,o+1);break}return t.segment(i).filter(function(e){return!!e}).map(function(t){return r?new e.Token(t):t})},e.jp.stemmer=function(e){return e},e.Pipeline.registerFunction(e.jp.stemmer,"stemmer-jp"),e.jp.wordCharacters="一二三四五六七八九十百千万億兆一-龠々〆ヵヶぁ-んァ-ヴーア-ン゙a-zA-Z-zA-0-9-",e.jp.stopWordFilter=function(t){if(-1===e.jp.stopWordFilter.stopWords.indexOf(r?t.toString():t))return t},e.jp.stopWordFilter=e.generateStopWordFilter("これ それ あれ この その あの ここ そこ あそこ こちら どこ だれ なに なん 何 私 貴方 貴方方 我々 私達 あの人 あのかた 彼女 彼 です あります おります います は が の に を で え から まで より も どの と し それで しかし".split(" ")),e.Pipeline.registerFunction(e.jp.stopWordFilter,"stopWordFilter-jp")}});
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!function(e,i){"function"==typeof define&&define.amd?define(i):"object"==typeof exports?module.exports=i():i()(e.lunr)}(this,function(){return function(e){e.multiLanguage=function(){for(var i=Array.prototype.slice.call(arguments),t=i.join("-"),r="",n=[],s=[],p=0;p<i.length;++p)"en"==i[p]?(r+="\\w",n.unshift(e.stopWordFilter),n.push(e.stemmer),s.push(e.stemmer)):(r+=e[i[p]].wordCharacters,n.unshift(e[i[p]].stopWordFilter),n.push(e[i[p]].stemmer),s.push(e[i[p]].stemmer));var o=e.trimmerSupport.generateTrimmer(r);return e.Pipeline.registerFunction(o,"lunr-multi-trimmer-"+t),n.unshift(o),function(){this.pipeline.reset(),this.pipeline.add.apply(this.pipeline,n),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add.apply(this.searchPipeline,s))}}}});
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!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 e,i,t=[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)],o=[new r("dt",-1,-1),new r("vt",-1,-1)],s=[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)],a=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,48,0,128],m=[119,125,149,1],l=new n;this.setCurrent=function(e){l.setCurrent(e)},this.getCurrent=function(){return l.getCurrent()},this.stem=function(){var r,n,u,d,c=l.cursor;return function(){var r,n=l.cursor+3;if(i=l.limit,0<=n||n<=l.limit){for(e=n;;){if(r=l.cursor,l.in_grouping(a,97,248)){l.cursor=r;break}if(r>=l.limit)return;l.cursor=r+1}for(;!l.out_grouping(a,97,248);){if(l.cursor>=l.limit)return;l.cursor++}(i=l.cursor)<e&&(i=e)}}(),l.limit_backward=c,l.cursor=l.limit,function(){var e,r,n;if(l.cursor>=i&&(r=l.limit_backward,l.limit_backward=i,l.ket=l.cursor,e=l.find_among_b(t,29),l.limit_backward=r,e))switch(l.bra=l.cursor,e){case 1:l.slice_del();break;case 2:n=l.limit-l.cursor,l.in_grouping_b(m,98,122)?l.slice_del():(l.cursor=l.limit-n,l.eq_s_b(1,"k")&&l.out_grouping_b(a,97,248)&&l.slice_del());break;case 3:l.slice_from("er")}}(),l.cursor=l.limit,n=l.limit-l.cursor,l.cursor>=i&&(r=l.limit_backward,l.limit_backward=i,l.ket=l.cursor,l.find_among_b(o,2)?(l.bra=l.cursor,l.limit_backward=r,l.cursor=l.limit-n,l.cursor>l.limit_backward&&(l.cursor--,l.bra=l.cursor,l.slice_del())):l.limit_backward=r),l.cursor=l.limit,l.cursor>=i&&(d=l.limit_backward,l.limit_backward=i,l.ket=l.cursor,(u=l.find_among_b(s,11))?(l.bra=l.cursor,l.limit_backward=d,1==u&&l.slice_del()):l.limit_backward=d),!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")}});
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!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 r;return{bra:0,ket:0,limit:0,cursor:0,limit_backward:0,setCurrent:function(t){r=t,this.cursor=0,this.limit=t.length,this.limit_backward=0,this.bra=this.cursor,this.ket=this.limit},getCurrent:function(){var t=r;return r=null,t},in_grouping:function(t,i,s){if(this.cursor<this.limit){var e=r.charCodeAt(this.cursor);if(e<=s&&e>=i&&t[(e-=i)>>3]&1<<(7&e))return this.cursor++,!0}return!1},in_grouping_b:function(t,i,s){if(this.cursor>this.limit_backward){var e=r.charCodeAt(this.cursor-1);if(e<=s&&e>=i&&t[(e-=i)>>3]&1<<(7&e))return this.cursor--,!0}return!1},out_grouping:function(t,i,s){if(this.cursor<this.limit){var e=r.charCodeAt(this.cursor);if(e>s||e<i)return this.cursor++,!0;if(!(t[(e-=i)>>3]&1<<(7&e)))return this.cursor++,!0}return!1},out_grouping_b:function(t,i,s){if(this.cursor>this.limit_backward){var e=r.charCodeAt(this.cursor-1);if(e>s||e<i)return this.cursor--,!0;if(!(t[(e-=i)>>3]&1<<(7&e)))return this.cursor--,!0}return!1},eq_s:function(t,i){if(this.limit-this.cursor<t)return!1;for(var s=0;s<t;s++)if(r.charCodeAt(this.cursor+s)!=i.charCodeAt(s))return!1;return this.cursor+=t,!0},eq_s_b:function(t,i){if(this.cursor-this.limit_backward<t)return!1;for(var s=0;s<t;s++)if(r.charCodeAt(this.cursor-t+s)!=i.charCodeAt(s))return!1;return this.cursor-=t,!0},find_among:function(t,i){for(var s=0,e=i,n=this.cursor,u=this.limit,o=0,h=0,c=!1;;){for(var a=s+(e-s>>1),f=0,l=o<h?o:h,_=t[a],m=l;m<_.s_size;m++){if(n+l==u){f=-1;break}if(f=r.charCodeAt(n+l)-_.s[m])break;l++}if(f<0?(e=a,h=l):(s=a,o=l),e-s<=1){if(s>0||e==s||c)break;c=!0}}for(;;){if(o>=(_=t[s]).s_size){if(this.cursor=n+_.s_size,!_.method)return _.result;var b=_.method();if(this.cursor=n+_.s_size,b)return _.result}if((s=_.substring_i)<0)return 0}},find_among_b:function(t,i){for(var s=0,e=i,n=this.cursor,u=this.limit_backward,o=0,h=0,c=!1;;){for(var a=s+(e-s>>1),f=0,l=o<h?o:h,_=(m=t[a]).s_size-1-l;_>=0;_--){if(n-l==u){f=-1;break}if(f=r.charCodeAt(n-1-l)-m.s[_])break;l++}if(f<0?(e=a,h=l):(s=a,o=l),e-s<=1){if(s>0||e==s||c)break;c=!0}}for(;;){var m;if(o>=(m=t[s]).s_size){if(this.cursor=n-m.s_size,!m.method)return m.result;var b=m.method();if(this.cursor=n-m.s_size,b)return m.result}if((s=m.substring_i)<0)return 0}},replace_s:function(t,i,s){var e=s.length-(i-t),n=r.substring(0,t),u=r.substring(i);return r=n+s+u,this.limit+=e,this.cursor>=i?this.cursor+=e:this.cursor>t&&(this.cursor=t),e},slice_check:function(){if(this.bra<0||this.bra>this.ket||this.ket>this.limit||this.limit>r.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(),r.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,"")}}}}});
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<h1>Convert</h1>
<h3 id="yaml-to-json">Yaml to Json<a class="headerlink" href="#yaml-to-json" title="Permanent link">&para;</a></h3>
<p>To convert output to json, use the --tojson (or -j) flag. This can only be used with the read command.</p>
<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 -j sample.yaml b.c
</code></pre>
<p>will output</p>
<pre><code class="json">{&quot;b&quot;:{&quot;c&quot;:2}}
</code></pre>
<h3 id="json-to-yaml">Json to Yaml<a class="headerlink" href="#json-to-yaml" title="Permanent link">&para;</a></h3>
<p>To read in json, just pass in a json file instead of yaml, it will just work :)</p>
<p>e.g given a json file</p>
<pre><code class="json">{&quot;a&quot;:&quot;Easy! as one two three&quot;,&quot;b&quot;:{&quot;c&quot;:2,&quot;d&quot;:[3,4]}}
</code></pre>
<p>then</p>
<pre><code class="bash">yq r sample.json
</code></pre>
<p>will output</p>
<pre><code class="yaml">a: Easy! as one two three
b:
c: 2
d:
- 3
- 4
</code></pre>
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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>
<pre><code class="bash">yq n b.c cat
</code></pre>
<p>will output:</p>
<pre><code class="yaml">b:
c: cat
</code></pre>
<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>
<pre><code class="yaml">b.c: 3
b.e[0].name: Howdy Partner
</code></pre>
<p>then</p>
<pre><code class="bash">yq n -s create_instructions.yaml
</code></pre>
<p>will output:</p>
<pre><code class="yaml">b:
c: 3
e:
- name: Howdy Partner
</code></pre>
<p>You can also pipe the instructions in:</p>
<pre><code class="bash">cat create_instructions.yaml | yq n -s -
</code></pre>
<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>
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<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="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>
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<h1 id="yq">yq<a class="headerlink" href="#yq" title="Permanent link">&para;</a></h1>
<p>yq is a lightweight and portable command-line YAML processor</p>
<p>The aim of the project is to be the <a href="https://github.com/stedolan/jq">jq</a> or sed of yaml files.</p>
<h2 id="install">Install<a class="headerlink" href="#install" title="Permanent link">&para;</a></h2>
<p>On MacOS:</p>
<pre><code>brew install yq
</code></pre>
<p>On Ubuntu and other Linux distros supporting <code>snap</code> packages:</p>
<pre><code>snap install yq
</code></pre>
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<pre><code>sudo add-apt-repository ppa:rmescandon/yq
sudo apt update
sudo apt install yq -y
</code></pre>
<p>or, <a href="https://github.com/mikefarah/yq/releases/latest">Download latest binary</a> or alternatively:</p>
<pre><code>go get gopkg.in/mikefarah/yq.v2
</code></pre>
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Overwrite values
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Overwrite values with arrays
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Multiple Documents - merge into single document
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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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Multiple Documents - read all documents
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Arrays
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Array Splat
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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
</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
</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>
</article>
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{
"docs": [
{
"location": "/",
"text": "yq\n\u00b6\n\n\nyq is a lightweight and portable command-line YAML processor\n\n\nThe aim of the project is to be the \njq\n or sed of yaml files.\n\n\nInstall\n\u00b6\n\n\nOn MacOS:\n\n\nbrew install yq\n\n\n\n\nOn Ubuntu and other Linux distros supporting \nsnap\n packages:\n\n\nsnap install yq\n\n\n\n\nOn Ubuntu 16.04 or higher from Debian package:\n\n\nsudo add-apt-repository ppa:rmescandon/yq\nsudo apt update\nsudo apt install yq -y\n\n\n\n\nor, \nDownload latest binary\n or alternatively:\n\n\ngo get gopkg.in/mikefarah/yq.v2\n\n\n\n\nView on GitHub",
"title": "Install"
},
{
"location": "/#yq",
"text": "yq is a lightweight and portable command-line YAML processor The aim of the project is to be the jq or sed of yaml files.",
"title": "yq"
},
{
"location": "/#install",
"text": "On MacOS: brew install yq On Ubuntu and other Linux distros supporting snap packages: snap install yq On Ubuntu 16.04 or higher from Debian package: sudo add-apt-repository ppa:rmescandon/yq\nsudo apt update\nsudo apt install yq -y or, Download latest binary or alternatively: go get gopkg.in/mikefarah/yq.v2 View on GitHub",
"title": "Install"
},
{
"location": "/read/",
"text": "yq r <yaml_file|json_file> <path>\n\n\n\n\nThis command can take a json file as input too, and will output yaml unless specified to export as json (-j)\n\n\nBasic\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq r sample.yaml b.c\n\n\n\n\nwill output the value of '2'.\n\n\nFrom Stdin\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\ncat sample.yaml | yq r - b.c\n\n\n\n\nwill output the value of '2'.\n\n\nSplat\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\n---\nbob:\n item1:\n cats: bananas\n item2:\n cats: apples\n\n\n\n\nthen\n\n\nyq r sample.yaml bob.*.cats\n\n\n\n\nwill output\n\n\n- bananas\n- apples\n\n\n\n\nMultiple Documents - specify a single document\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nsomething: else\n---\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq r -d1 sample.yaml b.c\n\n\n\n\nwill output the value of '2'.\n\n\nMultiple Documents - read all documents\n\u00b6\n\n\nReading all documents will return the result as an array. This can be converted to json using the '-j' flag if desired.\n\n\nGiven a sample.yaml file of:\n\n\nname: Fred\nage: 22\n---\nname: Stella\nage: 23\n---\nname: Android\nage: 232\n\n\n\n\nthen\n\n\nyq r -d'*' sample.yaml name\n\n\n\n\nwill output:\n\n\n- Fred\n- Stella\n- Android\n\n\n\n\nArrays\n\u00b6\n\n\nYou can give an index to access a specific element:\ne.g.: given a sample file of\n\n\nb:\n e:\n - name: fred\n value: 3\n - name: sam\n value: 4\n\n\n\n\nthen\n\n\nyq r sample.yaml 'b.e[1].name'\n\n\n\n\nwill output 'sam'\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.\n\n\nArray Splat\n\u00b6\n\n\ne.g.: given a sample file of\n\n\nb:\n e:\n - name: fred\n value: 3\n - name: sam\n value: 4\n\n\n\n\nthen\n\n\nyq r sample.yaml 'b.e[*].name'\n\n\n\n\nwill output:\n\n\n- fred\n- sam\n\n\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
"title": "Read"
},
{
"location": "/read/#basic",
"text": "Given a sample.yaml file of: b:\n c: 2 then yq r sample.yaml b.c will output the value of '2'.",
"title": "Basic"
},
{
"location": "/read/#from-stdin",
"text": "Given a sample.yaml file of: cat sample.yaml | yq r - b.c will output the value of '2'.",
"title": "From Stdin"
},
{
"location": "/read/#splat",
"text": "Given a sample.yaml file of: ---\nbob:\n item1:\n cats: bananas\n item2:\n cats: apples then yq r sample.yaml bob.*.cats will output - bananas\n- apples",
"title": "Splat"
},
{
"location": "/read/#multiple-documents-specify-a-single-document",
"text": "Given a sample.yaml file of: something: else\n---\nb:\n c: 2 then yq r -d1 sample.yaml b.c will output the value of '2'.",
"title": "Multiple Documents - specify a single document"
},
{
"location": "/read/#multiple-documents-read-all-documents",
"text": "Reading all documents will return the result as an array. This can be converted to json using the '-j' flag if desired. Given a sample.yaml file of: name: Fred\nage: 22\n---\nname: Stella\nage: 23\n---\nname: Android\nage: 232 then yq r -d'*' sample.yaml name will output: - Fred\n- Stella\n- Android",
"title": "Multiple Documents - read all documents"
},
{
"location": "/read/#arrays",
"text": "You can give an index to access a specific element:\ne.g.: given a sample file of b:\n e:\n - name: fred\n value: 3\n - name: sam\n value: 4 then yq r sample.yaml 'b.e[1].name' will output 'sam' Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
"title": "Arrays"
},
{
"location": "/read/#array-splat",
"text": "e.g.: given a sample file of b:\n e:\n - name: fred\n value: 3\n - name: sam\n value: 4 then yq r sample.yaml 'b.e[*].name' will output: - fred\n- sam Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
"title": "Array Splat"
},
{
"location": "/read/#keys-with-dots",
"text": "When specifying a key that has a dot use key lookup indicator. b:\n foo.bar: 7 yaml r sample.yaml 'b[foo.bar]' yaml w sample.yaml 'b[foo.bar]' 9 Any valid yaml key can be specified as part of a key lookup. Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
"title": "Keys with dots"
},
{
"location": "/write/",
"text": "yq w <yaml_file> <path> <new value>\n\n\n\n\nTo Stdout\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq w sample.yaml b.c cat\n\n\n\n\nwill output:\n\n\nb:\n c: cat\n\n\n\n\nFrom STDIN\n\u00b6\n\n\ncat sample.yaml | yq w - b.c blah\n\n\n\n\nAdding new fields\n\u00b6\n\n\nAny missing fields in the path will be created on the fly.\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq w sample.yaml b.d[0] \"new thing\"\n\n\n\n\nwill output:\n\n\nb:\n c: cat\n d:\n - new thing\n\n\n\n\nAppending value to an array field\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n d:\n - new thing\n - foo thing\n\n\n\n\nthen\n\n\nyq w sample.yaml \"b.d[+]\" \"bar thing\"\n\n\n\n\nwill output:\n\n\nb:\n c: cat\n d:\n - new thing\n - foo thing\n - bar thing\n\n\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.\n\n\nMultiple Documents - update a single document\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nsomething: else\n---\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq w -d1 sample.yaml b.c 5\n\n\n\n\nwill output:\n\n\nsomething: else\n---\nb:\n c: 5\n\n\n\n\nMultiple Documents - update all documents\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nsomething: else\n---\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq w -d'*' sample.yaml b.c 5\n\n\n\n\nwill output:\n\n\nsomething: else\nb:\n c: 5\n---\nb:\n c: 5\n\n\n\n\nNote that '*' is in quotes to avoid being interpreted by your shell.\n\n\nUpdating files in-place\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq w -i sample.yaml b.c cat\n\n\n\n\nwill update the sample.yaml file so that the value of 'c' is cat.\n\n\nUpdating multiple values with a script\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n e:\n - name: Billy Bob\n\n\n\n\nand a script update_instructions.yaml of:\n\n\nb.c: 3\nb.e[0].name: Howdy Partner\n\n\n\n\nthen\n\n\nyq w -s update_instructions.yaml sample.yaml\n\n\n\n\nwill output:\n\n\nb:\n c: 3\n e:\n - name: Howdy Partner\n\n\n\n\nAnd, of course, you can pipe the instructions in using '-':\n\n\ncat update_instructions.yaml | yq w -s - sample.yaml\n\n\n\n\nValues starting with a hyphen (or dash)\n\u00b6\n\n\nThe flag terminator needs to be used to stop the app from attempting to parse the subsequent arguments as flags:\n\n\nyq w -- my.path -3\n\n\n\n\nwill output\n\n\nmy:\n path: -3\n\n\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
"title": "Write/Update"
},
{
"location": "/write/#to-stdout",
"text": "Given a sample.yaml file of: b:\n c: 2 then yq w sample.yaml b.c cat will output: b:\n c: cat",
"title": "To Stdout"
},
{
"location": "/write/#from-stdin",
"text": "cat sample.yaml | yq w - b.c blah",
"title": "From STDIN"
},
{
"location": "/write/#adding-new-fields",
"text": "Any missing fields in the path will be created on the fly. Given a sample.yaml file of: b:\n c: 2 then yq w sample.yaml b.d[0] \"new thing\" will output: b:\n c: cat\n d:\n - new thing",
"title": "Adding new fields"
},
{
"location": "/write/#appending-value-to-an-array-field",
"text": "Given a sample.yaml file of: b:\n c: 2\n d:\n - new thing\n - foo thing then yq w sample.yaml \"b.d[+]\" \"bar thing\" will output: b:\n c: cat\n d:\n - new thing\n - foo thing\n - bar thing Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
"title": "Appending value to an array field"
},
{
"location": "/write/#multiple-documents-update-a-single-document",
"text": "Given a sample.yaml file of: something: else\n---\nb:\n c: 2 then yq w -d1 sample.yaml b.c 5 will output: something: else\n---\nb:\n c: 5",
"title": "Multiple Documents - update a single document"
},
{
"location": "/write/#multiple-documents-update-all-documents",
"text": "Given a sample.yaml file of: something: else\n---\nb:\n c: 2 then yq w -d'*' sample.yaml b.c 5 will output: something: else\nb:\n c: 5\n---\nb:\n c: 5 Note that '*' is in quotes to avoid being interpreted by your shell.",
"title": "Multiple Documents - update all documents"
},
{
"location": "/write/#updating-files-in-place",
"text": "Given a sample.yaml file of: b:\n c: 2 then yq w -i sample.yaml b.c cat will update the sample.yaml file so that the value of 'c' is cat.",
"title": "Updating files in-place"
},
{
"location": "/write/#updating-multiple-values-with-a-script",
"text": "Given a sample.yaml file of: b:\n c: 2\n e:\n - name: Billy Bob and a script update_instructions.yaml of: b.c: 3\nb.e[0].name: Howdy Partner then yq w -s update_instructions.yaml sample.yaml will output: b:\n c: 3\n e:\n - name: Howdy Partner And, of course, you can pipe the instructions in using '-': cat update_instructions.yaml | yq w -s - sample.yaml",
"title": "Updating multiple values with a script"
},
{
"location": "/write/#values-starting-with-a-hyphen-or-dash",
"text": "The flag terminator needs to be used to stop the app from attempting to parse the subsequent arguments as flags: yq w -- my.path -3 will output my:\n path: -3",
"title": "Values starting with a hyphen (or dash)"
},
{
"location": "/write/#keys-with-dots",
"text": "When specifying a key that has a dot use key lookup indicator. b:\n foo.bar: 7 yaml r sample.yaml 'b[foo.bar]' yaml w sample.yaml 'b[foo.bar]' 9 Any valid yaml key can be specified as part of a key lookup. Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
"title": "Keys with dots"
},
{
"location": "/delete/",
"text": "yq d <yaml_file> <path_to_delete>\n\n\n\n\nTo Stdout\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n apples: green\n\n\n\n\nthen\n\n\nyq d sample.yaml b.c\n\n\n\n\nwill output:\n\n\nb:\n apples: green\n\n\n\n\nFrom STDIN\n\u00b6\n\n\ncat sample.yaml | yq d - b.c\n\n\n\n\nDeleting array elements\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: \n - 1\n - 2\n - 3\n\n\n\n\nthen\n\n\nyq d sample.yaml 'b.c[1]'\n\n\n\n\nwill output:\n\n\nb:\n c:\n - 1\n - 3\n\n\n\n\nDeleting nodes in-place\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n apples: green\n\n\n\n\nthen\n\n\nyq d -i sample.yaml b.c\n\n\n\n\nwill update the sample.yaml file so that the 'c' node is deleted\n\n\nMultiple Documents - delete from single document\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nsomething: else\nfield: leaveMe\n---\nb:\n c: 2\nfield: deleteMe\n\n\n\n\nthen\n\n\nyq w -d1 sample.yaml field\n\n\n\n\nwill output:\n\n\nsomething: else\nfield: leaveMe\n---\nb:\n c: 2\n\n\n\n\nMultiple Documents - delete from all documents\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nsomething: else\nfield: deleteMe\n---\nb:\n c: 2\nfield: deleteMeToo\n\n\n\n\nthen\n\n\nyq w -d'*' sample.yaml field\n\n\n\n\nwill output:\n\n\nsomething: else\n---\nb:\n c: 2\n\n\n\n\nNote that '*' is in quotes to avoid being interpreted by your shell.\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
"title": "Delete"
},
{
"location": "/delete/#to-stdout",
"text": "Given a sample.yaml file of: b:\n c: 2\n apples: green then yq d sample.yaml b.c will output: b:\n apples: green",
"title": "To Stdout"
},
{
"location": "/delete/#from-stdin",
"text": "cat sample.yaml | yq d - b.c",
"title": "From STDIN"
},
{
"location": "/delete/#deleting-array-elements",
"text": "Given a sample.yaml file of: b:\n c: \n - 1\n - 2\n - 3 then yq d sample.yaml 'b.c[1]' will output: b:\n c:\n - 1\n - 3",
"title": "Deleting array elements"
},
{
"location": "/delete/#deleting-nodes-in-place",
"text": "Given a sample.yaml file of: b:\n c: 2\n apples: green then yq d -i sample.yaml b.c will update the sample.yaml file so that the 'c' node is deleted",
"title": "Deleting nodes in-place"
},
{
"location": "/delete/#multiple-documents-delete-from-single-document",
"text": "Given a sample.yaml file of: something: else\nfield: leaveMe\n---\nb:\n c: 2\nfield: deleteMe then yq w -d1 sample.yaml field will output: something: else\nfield: leaveMe\n---\nb:\n c: 2",
"title": "Multiple Documents - delete from single document"
},
{
"location": "/delete/#multiple-documents-delete-from-all-documents",
"text": "Given a sample.yaml file of: something: else\nfield: deleteMe\n---\nb:\n c: 2\nfield: deleteMeToo then yq w -d'*' sample.yaml field will output: something: else\n---\nb:\n c: 2 Note that '*' is in quotes to avoid being interpreted by your shell.",
"title": "Multiple Documents - delete from all documents"
},
{
"location": "/delete/#keys-with-dots",
"text": "When specifying a key that has a dot use key lookup indicator. b:\n foo.bar: 7 yaml r sample.yaml 'b[foo.bar]' yaml w sample.yaml 'b[foo.bar]' 9 Any valid yaml key can be specified as part of a key lookup. Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
"title": "Keys with dots"
},
{
"location": "/create/",
"text": "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.\n\n\nyq n <path> <new value>\n\n\n\n\nCreating a simple yaml file\n\u00b6\n\n\nyq n b.c cat\n\n\n\n\nwill output:\n\n\nb:\n c: cat\n\n\n\n\nCreating using a create script\n\u00b6\n\n\nCreate scripts follow the same format as the update scripts.\n\n\nGiven a script create_instructions.yaml of:\n\n\nb.c: 3\nb.e[0].name: Howdy Partner\n\n\n\n\nthen\n\n\nyq n -s create_instructions.yaml\n\n\n\n\nwill output:\n\n\nb:\n c: 3\n e:\n - name: Howdy Partner\n\n\n\n\nYou can also pipe the instructions in:\n\n\ncat create_instructions.yaml | yq n -s -\n\n\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
"title": "Create"
},
{
"location": "/create/#creating-a-simple-yaml-file",
"text": "yq n b.c cat will output: b:\n c: cat",
"title": "Creating a simple yaml file"
},
{
"location": "/create/#creating-using-a-create-script",
"text": "Create scripts follow the same format as the update scripts. Given a script create_instructions.yaml of: b.c: 3\nb.e[0].name: Howdy Partner then yq n -s create_instructions.yaml will output: b:\n c: 3\n e:\n - name: Howdy Partner You can also pipe the instructions in: cat create_instructions.yaml | yq n -s -",
"title": "Creating using a create script"
},
{
"location": "/create/#keys-with-dots",
"text": "When specifying a key that has a dot use key lookup indicator. b:\n foo.bar: 7 yaml r sample.yaml 'b[foo.bar]' yaml w sample.yaml 'b[foo.bar]' 9 Any valid yaml key can be specified as part of a key lookup. Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
"title": "Keys with dots"
},
{
"location": "/convert/",
"text": "Yaml to Json\n\u00b6\n\n\nTo convert output to json, use the --tojson (or -j) flag. This can only be used with the read command.\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq r -j sample.yaml b.c\n\n\n\n\nwill output\n\n\n{\"b\":{\"c\":2}}\n\n\n\n\nJson to Yaml\n\u00b6\n\n\nTo read in json, just pass in a json file instead of yaml, it will just work :)\n\n\ne.g given a json file\n\n\n{\"a\":\"Easy! as one two three\",\"b\":{\"c\":2,\"d\":[3,4]}}\n\n\n\n\nthen\n\n\nyq r sample.json\n\n\n\n\nwill output\n\n\na: Easy! as one two three\nb:\n c: 2\n d:\n - 3\n - 4",
"title": "Convert"
},
{
"location": "/convert/#yaml-to-json",
"text": "To convert output to json, use the --tojson (or -j) flag. This can only be used with the read command. Given a sample.yaml file of: b:\n c: 2 then yq r -j sample.yaml b.c will output {\"b\":{\"c\":2}}",
"title": "Yaml to Json"
},
{
"location": "/convert/#json-to-yaml",
"text": "To read in json, just pass in a json file instead of yaml, it will just work :) e.g given a json file {\"a\":\"Easy! as one two three\",\"b\":{\"c\":2,\"d\":[3,4]}} then yq r sample.json will output a: Easy! as one two three\nb:\n c: 2\n d:\n - 3\n - 4",
"title": "Json to Yaml"
},
{
"location": "/merge/",
"text": "Yaml files can be merged using the 'merge' command. Each additional file merged with the first file will\nset values for any key not existing already or where the key has no value.\n\n\nyq m <yaml_file> <path>...\n\n\n\n\nTo Stdout\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data2.yaml file of:\n\n\na: other\nc:\n test: 1\n\n\n\n\nthen\n\n\nyq m data1.yaml data2.yaml\n\n\n\n\nwill output:\n\n\na: simple\nb: [1, 2]\nc:\n test: 1\n\n\n\n\nUpdating files in-place\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data2.yaml file of:\n\n\na: other\nc:\n test: 1\n\n\n\n\nthen\n\n\nyq m -i data1.yaml data2.yaml\n\n\n\n\nwill update the data1.yaml file so that the value of 'c' is 'test: 1'.\n\n\nOverwrite values\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data2.yaml file of:\n\n\na: other\nc:\n test: 1\n\n\n\n\nthen\n\n\nyq m -x data1.yaml data2.yaml\n\n\n\n\nwill output:\n\n\na: other\nb: [1, 2]\nc:\n test: 1\n\n\n\n\nOverwrite values with arrays\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data3.yaml file of:\n\n\nb: [3, 4]\nc:\n test: 2\n other: true\nd: false\n\n\n\n\nthen\n\n\nyq m -x data1.yaml data3.yaml\n\n\n\n\nwill output:\n\n\na: simple\nb: [3, 4]\nc:\n test: 2\n other: true\nd: false\n\n\n\n\nNotice that 'b' does not result in the merging of the values within an array. \n\n\nAppend values with arrays\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\nd: hi\n\n\n\n\nand data3.yaml file of:\n\n\na: something\nb: [3, 4]\nc:\n test: 2\n other: true\n\n\n\n\nthen\n\n\nyq m -a data1.yaml data3.yaml\n\n\n\n\nwill output:\n\n\na: simple\nb: [1, 2, 3, 4]\nc:\n test: 2\n other: true\nd: hi\n\n\n\n\nNote that the 'b' array has concatenated the values from the second data file. Also note that other map keys are not overridden (field a).\n\n\nAppend cannot be used with overwrite, if both flags are given then append is ignored.\n\n\nMultiple Documents - merge into single document\n\u00b6\n\n\nCurrently yq only has multi-document support for the \nfirst\n document being merged into. The remaining yaml files will have their first document selected.\n\n\nGiven a data1.yaml file of:\n\n\nsomething: else\n---\na: simple\nb: cat\n\n\n\n\nand data3.yaml file of:\n\n\nb: dog\n\n\n\n\nthen\n\n\nyq m -x -d1 data1.yaml data3.yaml\n\n\n\n\nwill output:\n\n\nsomething: else\n---\na: simple\nb: dog\n\n\n\n\nMultiple Documents - merge into all documents\n\u00b6\n\n\nCurrently yq only has multi-document support for the \nfirst\n document being merged into. The remaining yaml files will have their first document selected.\n\n\nGiven a data1.yaml file of:\n\n\nsomething: else\n---\na: simple\nb: cat\n\n\n\n\nand data3.yaml file of:\n\n\nb: dog\n\n\n\n\nthen\n\n\nyq m -x -d'*' data1.yaml data3.yaml\n\n\n\n\nwill output:\n\n\nb: dog\nsomething: else\n---\na: simple\nb: dog",
"title": "Merge"
},
{
"location": "/merge/#to-stdout",
"text": "Given a data1.yaml file of: a: simple\nb: [1, 2] and data2.yaml file of: a: other\nc:\n test: 1 then yq m data1.yaml data2.yaml will output: a: simple\nb: [1, 2]\nc:\n test: 1",
"title": "To Stdout"
},
{
"location": "/merge/#updating-files-in-place",
"text": "Given a data1.yaml file of: a: simple\nb: [1, 2] and data2.yaml file of: a: other\nc:\n test: 1 then yq m -i data1.yaml data2.yaml will update the data1.yaml file so that the value of 'c' is 'test: 1'.",
"title": "Updating files in-place"
},
{
"location": "/merge/#overwrite-values",
"text": "Given a data1.yaml file of: a: simple\nb: [1, 2] and data2.yaml file of: a: other\nc:\n test: 1 then yq m -x data1.yaml data2.yaml will output: a: other\nb: [1, 2]\nc:\n test: 1",
"title": "Overwrite values"
},
{
"location": "/merge/#overwrite-values-with-arrays",
"text": "Given a data1.yaml file of: a: simple\nb: [1, 2] and data3.yaml file of: b: [3, 4]\nc:\n test: 2\n other: true\nd: false then yq m -x data1.yaml data3.yaml will output: a: simple\nb: [3, 4]\nc:\n test: 2\n other: true\nd: false Notice that 'b' does not result in the merging of the values within an array.",
"title": "Overwrite values with arrays"
},
{
"location": "/merge/#append-values-with-arrays",
"text": "Given a data1.yaml file of: a: simple\nb: [1, 2]\nd: hi and data3.yaml file of: a: something\nb: [3, 4]\nc:\n test: 2\n other: true then yq m -a data1.yaml data3.yaml will output: a: simple\nb: [1, 2, 3, 4]\nc:\n test: 2\n other: true\nd: hi 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). Append cannot be used with overwrite, if both flags are given then append is ignored.",
"title": "Append values with arrays"
},
{
"location": "/merge/#multiple-documents-merge-into-single-document",
"text": "Currently yq only has multi-document support for the first document being merged into. The remaining yaml files will have their first document selected. Given a data1.yaml file of: something: else\n---\na: simple\nb: cat and data3.yaml file of: b: dog then yq m -x -d1 data1.yaml data3.yaml will output: something: else\n---\na: simple\nb: dog",
"title": "Multiple Documents - merge into single document"
},
{
"location": "/merge/#multiple-documents-merge-into-all-documents",
"text": "Currently yq only has multi-document support for the first document being merged into. The remaining yaml files will have their first document selected. Given a data1.yaml file of: something: else\n---\na: simple\nb: cat and data3.yaml file of: b: dog then yq m -x -d'*' data1.yaml data3.yaml will output: b: dog\nsomething: else\n---\na: simple\nb: dog",
"title": "Multiple Documents - merge into all documents"
}
]
}
-38
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Write/Update
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Write/Update
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<a href="#to-stdout" title="To Stdout" class="md-nav__link">
To Stdout
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<li class="md-nav__item">
<a href="#from-stdin" title="From STDIN" class="md-nav__link">
From STDIN
</a>
</li>
<li class="md-nav__item">
<a href="#adding-new-fields" title="Adding new fields" class="md-nav__link">
Adding new fields
</a>
</li>
<li class="md-nav__item">
<a href="#appending-value-to-an-array-field" title="Appending value to an array field" class="md-nav__link">
Appending value to an array field
</a>
</li>
<li class="md-nav__item">
<a href="#multiple-documents-update-a-single-document" title="Multiple Documents - update a single document" class="md-nav__link">
Multiple Documents - update a single document
</a>
</li>
<li class="md-nav__item">
<a href="#multiple-documents-update-all-documents" title="Multiple Documents - update all documents" class="md-nav__link">
Multiple Documents - update all documents
</a>
</li>
<li class="md-nav__item">
<a href="#updating-files-in-place" title="Updating files in-place" class="md-nav__link">
Updating files in-place
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</li>
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<a href="#updating-multiple-values-with-a-script" title="Updating multiple values with a script" class="md-nav__link">
Updating multiple values with a script
</a>
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Values starting with a hyphen (or dash)
</a>
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<a href="#keys-with-dots" title="Keys with dots" class="md-nav__link">
Keys with dots
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<a href="../delete/" title="Delete" class="md-nav__link">
Delete
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<a href="../create/" title="Create" class="md-nav__link">
Create
</a>
</li>
<li class="md-nav__item">
<a href="../convert/" title="Convert" class="md-nav__link">
Convert
</a>
</li>
<li class="md-nav__item">
<a href="../merge/" title="Merge" class="md-nav__link">
Merge
</a>
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<label class="md-nav__title" for="__toc">Table of contents</label>
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<li class="md-nav__item">
<a href="#to-stdout" title="To Stdout" class="md-nav__link">
To Stdout
</a>
</li>
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<a href="#from-stdin" title="From STDIN" class="md-nav__link">
From STDIN
</a>
</li>
<li class="md-nav__item">
<a href="#adding-new-fields" title="Adding new fields" class="md-nav__link">
Adding new fields
</a>
</li>
<li class="md-nav__item">
<a href="#appending-value-to-an-array-field" title="Appending value to an array field" class="md-nav__link">
Appending value to an array field
</a>
</li>
<li class="md-nav__item">
<a href="#multiple-documents-update-a-single-document" title="Multiple Documents - update a single document" class="md-nav__link">
Multiple Documents - update a single document
</a>
</li>
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<a href="#multiple-documents-update-all-documents" title="Multiple Documents - update all documents" class="md-nav__link">
Multiple Documents - update all documents
</a>
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<a href="#updating-files-in-place" title="Updating files in-place" class="md-nav__link">
Updating files in-place
</a>
</li>
<li class="md-nav__item">
<a href="#updating-multiple-values-with-a-script" title="Updating multiple values with a script" class="md-nav__link">
Updating multiple values with a script
</a>
</li>
<li class="md-nav__item">
<a href="#values-starting-with-a-hyphen-or-dash" title="Values starting with a hyphen (or dash)" class="md-nav__link">
Values starting with a hyphen (or dash)
</a>
</li>
<li class="md-nav__item">
<a href="#keys-with-dots" title="Keys with dots" class="md-nav__link">
Keys with dots
</a>
</li>
</ul>
</nav>
</div>
</div>
</div>
<div class="md-content">
<article class="md-content__inner md-typeset">
<a href="https://github.com/mikefarah/yq/edit/master/docs/write.md" title="Edit this page" class="md-icon md-content__icon">&#xE3C9;</a>
<h1>Write/Update</h1>
<pre><code>yq w &lt;yaml_file&gt; &lt;path&gt; &lt;new value&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
</code></pre>
<p>then</p>
<pre><code class="bash">yq w sample.yaml b.c cat
</code></pre>
<p>will output:</p>
<pre><code class="yaml">b:
c: cat
</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 w - b.c blah
</code></pre>
<h3 id="adding-new-fields">Adding new fields<a class="headerlink" href="#adding-new-fields" title="Permanent link">&para;</a></h3>
<p>Any missing fields in the path will be created on the fly.</p>
<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 w sample.yaml b.d[0] &quot;new thing&quot;
</code></pre>
<p>will output:</p>
<pre><code class="yaml">b:
c: cat
d:
- new thing
</code></pre>
<h3 id="appending-value-to-an-array-field">Appending value to an array field<a class="headerlink" href="#appending-value-to-an-array-field" title="Permanent link">&para;</a></h3>
<p>Given a sample.yaml file of:</p>
<pre><code class="yaml">b:
c: 2
d:
- new thing
- foo thing
</code></pre>
<p>then</p>
<pre><code class="bash">yq w sample.yaml &quot;b.d[+]&quot; &quot;bar thing&quot;
</code></pre>
<p>will output:</p>
<pre><code class="yaml">b:
c: cat
d:
- new thing
- foo thing
- bar thing
</code></pre>
<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
<h3 id="multiple-documents-update-a-single-document">Multiple Documents - update a single document<a class="headerlink" href="#multiple-documents-update-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 w -d1 sample.yaml b.c 5
</code></pre>
<p>will output:</p>
<pre><code class="yaml">something: else
---
b:
c: 5
</code></pre>
<h3 id="multiple-documents-update-all-documents">Multiple Documents - update all documents<a class="headerlink" href="#multiple-documents-update-all-documents" 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 w -d'*' sample.yaml b.c 5
</code></pre>
<p>will output:</p>
<pre><code class="yaml">something: else
b:
c: 5
---
b:
c: 5
</code></pre>
<p>Note that '*' is in quotes to avoid being interpreted by your shell.</p>
<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 sample.yaml file of:</p>
<pre><code class="yaml">b:
c: 2
</code></pre>
<p>then</p>
<pre><code class="bash">yq w -i sample.yaml b.c cat
</code></pre>
<p>will update the sample.yaml file so that the value of 'c' is cat.</p>
<h3 id="updating-multiple-values-with-a-script">Updating multiple values with a script<a class="headerlink" href="#updating-multiple-values-with-a-script" title="Permanent link">&para;</a></h3>
<p>Given a sample.yaml file of:</p>
<pre><code class="yaml">b:
c: 2
e:
- name: Billy Bob
</code></pre>
<p>and a script update_instructions.yaml of:</p>
<pre><code class="yaml">b.c: 3
b.e[0].name: Howdy Partner
</code></pre>
<p>then</p>
<pre><code class="bash">yq w -s update_instructions.yaml sample.yaml
</code></pre>
<p>will output:</p>
<pre><code class="yaml">b:
c: 3
e:
- name: Howdy Partner
</code></pre>
<p>And, of course, you can pipe the instructions in using '-':</p>
<pre><code class="bash">cat update_instructions.yaml | yq w -s - sample.yaml
</code></pre>
<h3 id="values-starting-with-a-hyphen-or-dash">Values starting with a hyphen (or dash)<a class="headerlink" href="#values-starting-with-a-hyphen-or-dash" title="Permanent link">&para;</a></h3>
<p>The flag terminator needs to be used to stop the app from attempting to parse the subsequent arguments as flags:</p>
<pre><code>yq w -- my.path -3
</code></pre>
<p>will output</p>
<pre><code class="yaml">my:
path: -3
</code></pre>
<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>
</article>
</div>
</div>
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</html>
-9
View File
@@ -1,9 +0,0 @@
---
- become: true
gather_facts: false
hosts: lalaland
name: "Apply smth"
roles:
- lala
- land
serial: 1
-2
View File
@@ -1,2 +0,0 @@
a: simple
b: [1, 2]
-4
View File
@@ -1,4 +0,0 @@
a: other
b: [3, 4]
c:
test: 1
-1
View File
@@ -1 +0,0 @@
b: dog
-2
View File
@@ -1,2 +0,0 @@
b.c: cat
b.e[0].name: Mike Farah
-5
View File
@@ -1,5 +0,0 @@
test: |
abcdefg
hijklmno
-18
View File
@@ -1,18 +0,0 @@
commonKey: first document
a: Easy! as one two three
b:
c: 2
d: [3, 4]
e:
- name: fred
value: 3
- name: sam
value: 4
---
commonKey: second document
another:
document: here
---
commonKey: third document
wow:
- here is another
-7
View File
@@ -1,7 +0,0 @@
a: Easy! as one two three
---
another:
document: here
---
- 1
- 2
-2
View File
@@ -1,2 +0,0 @@
version: 3
application: MyApp
-6
View File
@@ -1,6 +0,0 @@
version: '2'
services:
test:
image: ubuntu:14.04
stdin_open: true
tty: true
-1
View File
@@ -1 +0,0 @@
{"a":"Easy! as one two three","b":{"c":2,"d":[3,4],"e":[{"name":"fred","value":3},{"name":"sam","value":4}]}}
-9
View File
@@ -1,9 +0,0 @@
a: Easy! as one two three
b:
c: 2
d: [3, 4]
e:
- name: fred
value: 3
- name: sam
value: 4
-9
View File
@@ -1,9 +0,0 @@
a: Easy! as one two three
b:
c: things
d: whatever
things:
thing1:
cat: 'fred'
thing2:
cat: 'sam'
-1
View File
@@ -1 +0,0 @@
[1,2,3]
-1
View File
@@ -1 +0,0 @@
[4,5]
-1
View File
@@ -1 +0,0 @@
hi
+183
View File
@@ -0,0 +1,183 @@
# Expression Syntax: A Visual Guide
In `yq`, expressions are made up of operators and pipes. A context of nodes is passed through the expression, and each operation takes the context as input and returns a new context as output. That output is piped in as input for the next operation in the expression.
Let's break down the process step by step using a diagram. We'll start with a single YAML document, apply an expression, and observe how the context changes at each step.
Given a document like:
```yaml
root:
items:
- name: apple
type: fruit
- name: carrot
type: vegetable
- name: banana
type: fruit
```
You can use dot notation to access nested structures. For example, to access the `name` of the first item, you would use the expression `.root.items[0].name`, which would return `apple`.
But lets see how we could find all the fruit under `items`
## Step 1: Initial Context
The context starts at the root of the YAML document. In this case, the entire document is the initial context.
```
root
└── items
├── name: apple
│ type: fruit
├── name: carrot
│ type: vegetable
└── name: banana
type: fruit
```
## Step 2: Splatting the Array
Using the expression `.root.items[]`, we "splat" the items array. This means each element of the array becomes its own node in the context:
```
Node 1: { name: apple, type: fruit }
Node 2: { name: carrot, type: vegetable }
Node 3: { name: banana, type: fruit }
```
## Step 3: Filtering the Nodes
Next, we apply a filter to select only the nodes where type is fruit. The expression `.root.items[] | select(.type == "fruit")` filters the nodes:
```
Filtered Node 1: { name: apple, type: fruit }
Filtered Node 2: { name: banana, type: fruit }
```
## Step 4: Extracting a Field
Finally, we extract the name field from the filtered nodes using `.root.items[] | select(.type == "fruit") | .name` This results in:
```
apple
banana
```
## Simple assignment example
Given a document like:
```yaml
a: cat
b: dog
```
with an expression:
```
.a = .b
```
Like math expressions - operator precedence is important.
The `=` operator takes two arguments, a `lhs` expression, which in this case is `.a` and `rhs` expression which is `.b`.
It pipes the current, lets call it 'root' context through the `lhs` expression of `.a` to return the node
```yaml
cat
```
Side note: this node holds not only its value 'cat', but comments and metadata too, including path and parent information.
The `=` operator then pipes the 'root' context through the `rhs` expression of `.b` to return the node
```yaml
dog
```
Both sides have now been evaluated, so now the operator copies across the value from the RHS (`.b`) to the LHS (`.a`), and it returns the now updated context:
```yaml
a: dog
b: dog
```
## Complex assignment, operator precedence rules
Just like math expressions - `yq` expressions have an order of precedence. The pipe `|` operator has a low order of precedence, so operators with higher precedence will get evaluated first.
Most of the time, this is intuitively what you'd want, for instance `.a = "cat" | .b = "dog"` is effectively: `(.a = "cat") | (.b = "dog")`.
However, this is not always the case, particularly if you have a complex LHS or RHS expression, for instance if you want to select particular nodes to update.
Lets say you had:
```yaml
- name: bob
fruit: apple
- name: sally
fruit: orange
```
Lets say you wanted to update the `sally` entry to have fruit: 'mango'. The _incorrect_ way to do that is:
`.[] | select(.name == "sally") | .fruit = "mango"`.
Because `|` has a low operator precedence, this will be evaluated (_incorrectly_) as : `(.[]) | (select(.name == "sally")) | (.fruit = "mango")`. What you'll see is only the updated segment returned:
```yaml
name: sally
fruit: mango
```
**Important**: To properly update this YAML, you must wrap the entire LHS in parentheses. Think of it like using brackets in math to ensure the correct order of operations.
`(.[] | select(.name == "sally") | .fruit) = "mango"`
Now that entire LHS expression is passed to the 'assign' (`=`) operator, and the yaml is correctly updated and returned:
```yaml
- name: bob
fruit: apple
- name: sally
fruit: mango
```
## Relative update (e.g. `|=`)
There is another form of the `=` operator which we call the relative form. It's very similar to `=` but with one key difference when evaluating the RHS expression.
In the plain form, we pass in the 'root' level context to the RHS expression. In relative form, we pass in _each result of the LHS_ to the RHS expression. Let's go through an example.
Given a document like:
```yaml
a: 1
b: thing
```
with an expression:
```
.a |= . + 1
```
Similar to the `=` operator, `|=` takes two operands, the LHS and RHS.
It pipes the current context (the whole document) through the LHS expression of `.a` to get the node value:
```
1
```
Now it pipes _that LHS context_ into the RHS expression `. + 1` (whereas in the `=` plain form it piped the original document context into the RHS) to yield:
```
2
```
The assignment operator then copies across the value from the RHS to the value on the LHS, and it returns the now updated 'root' context:
```yaml
a: 2
b: thing
```
-44
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@@ -1,44 +0,0 @@
package main
import (
"encoding/json"
"fmt"
"strconv"
yaml "gopkg.in/mikefarah/yaml.v2"
)
func jsonToString(context interface{}) (string, error) {
out, err := json.Marshal(toJSON(context))
if err != nil {
return "", fmt.Errorf("error printing yaml as json: %v", err)
}
return string(out), nil
}
func toJSON(context interface{}) interface{} {
switch context.(type) {
case []interface{}:
oldArray := context.([]interface{})
newArray := make([]interface{}, len(oldArray))
for index, value := range oldArray {
newArray[index] = toJSON(value)
}
return newArray
case yaml.MapSlice:
oldMap := context.(yaml.MapSlice)
newMap := make(map[string]interface{})
for _, entry := range oldMap {
if str, ok := entry.Key.(string); ok {
newMap[str] = toJSON(entry.Value)
} else if i, ok := entry.Key.(int); ok {
newMap[strconv.Itoa(i)] = toJSON(entry.Value)
} else if b, ok := entry.Key.(bool); ok {
newMap[strconv.FormatBool(b)] = toJSON(entry.Value)
}
}
return newMap
default:
return context
}
}
-46
View File
@@ -1,46 +0,0 @@
package main
import (
"testing"
)
func TestJsonToString(t *testing.T) {
var data = parseData(`
---
b:
c: 2
`)
got, _ := jsonToString(data)
assertResult(t, "{\"b\":{\"c\":2}}", got)
}
func TestJsonToString_withIntKey(t *testing.T) {
var data = parseData(`
---
b:
2: c
`)
got, _ := jsonToString(data)
assertResult(t, `{"b":{"2":"c"}}`, got)
}
func TestJsonToString_withBoolKey(t *testing.T) {
var data = parseData(`
---
b:
false: c
`)
got, _ := jsonToString(data)
assertResult(t, `{"b":{"false":"c"}}`, got)
}
func TestJsonToString_withArray(t *testing.T) {
var data = parseData(`
---
b:
- item: one
- item: two
`)
got, _ := jsonToString(data)
assertResult(t, "{\"b\":[{\"item\":\"one\"},{\"item\":\"two\"}]}", got)
}
-12
View File
@@ -1,12 +0,0 @@
package main
import "gopkg.in/imdario/mergo.v0"
func merge(dst interface{}, src interface{}, overwrite bool, append bool) error {
if overwrite {
return mergo.Merge(dst, src, mergo.WithOverride)
} else if append {
return mergo.Merge(dst, src, mergo.WithAppendSlice)
}
return mergo.Merge(dst, src)
}
-26
View File
@@ -1,26 +0,0 @@
docs_dir: mkdocs
site_dir: docs
site_name: Yq
theme: 'material'
pages:
- Install: index.md
- Read: read.md
- Write/Update: write.md
- Delete: delete.md
- Create: create.md
- Convert: convert.md
- Merge: merge.md
repo_name: 'mikefarah/yq'
repo_url: 'https://github.com/mikefarah/yq'
extra:
social:
- type: 'github'
link: 'https://github.com/mikefarah'
- type: 'linkedin'
link: 'https://www.linkedin.com/in/mike-farah-b5a75b2/'
markdown_extensions:
- markdown_include.include:
base_path: mkdocs
- toc(permalink=true)
-40
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@@ -1,40 +0,0 @@
### Yaml to Json
To convert output to json, use the --tojson (or -j) flag. This can only be used with the read command.
Given a sample.yaml file of:
```yaml
b:
c: 2
```
then
```bash
yq r -j sample.yaml b.c
```
will output
```json
{"b":{"c":2}}
```
### Json to Yaml
To read in json, just pass in a json file instead of yaml, it will just work :)
e.g given a json file
```json
{"a":"Easy! as one two three","b":{"c":2,"d":[3,4]}}
```
then
```bash
yq r sample.json
```
will output
```yaml
a: Easy! as one two three
b:
c: 2
d:
- 3
- 4
```
-44
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@@ -1,44 +0,0 @@
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.
```
yq n <path> <new value>
```
### Creating a simple yaml file
```bash
yq n b.c cat
```
will output:
```yaml
b:
c: cat
```
### Creating using a create script
Create scripts follow the same format as the update scripts.
Given a script create_instructions.yaml of:
```yaml
b.c: 3
b.e[0].name: Howdy Partner
```
then
```bash
yq n -s create_instructions.yaml
```
will output:
```yaml
b:
c: 3
e:
- name: Howdy Partner
```
You can also pipe the instructions in:
```bash
cat create_instructions.yaml | yq n -s -
```
{!snippets/keys_with_dots.md!}
-110
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@@ -1,110 +0,0 @@
```
yq d <yaml_file> <path_to_delete>
```
### To Stdout
Given a sample.yaml file of:
```yaml
b:
c: 2
apples: green
```
then
```bash
yq d sample.yaml b.c
```
will output:
```yaml
b:
apples: green
```
### From STDIN
```bash
cat sample.yaml | yq d - b.c
```
### Deleting array elements
Given a sample.yaml file of:
```yaml
b:
c:
- 1
- 2
- 3
```
then
```bash
yq d sample.yaml 'b.c[1]'
```
will output:
```yaml
b:
c:
- 1
- 3
```
### Deleting nodes in-place
Given a sample.yaml file of:
```yaml
b:
c: 2
apples: green
```
then
```bash
yq d -i sample.yaml b.c
```
will update the sample.yaml file so that the 'c' node is deleted
### Multiple Documents - delete from single document
Given a sample.yaml file of:
```yaml
something: else
field: leaveMe
---
b:
c: 2
field: deleteMe
```
then
```bash
yq w -d1 sample.yaml field
```
will output:
```yaml
something: else
field: leaveMe
---
b:
c: 2
```
### Multiple Documents - delete from all documents
Given a sample.yaml file of:
```yaml
something: else
field: deleteMe
---
b:
c: 2
field: deleteMeToo
```
then
```bash
yq w -d'*' sample.yaml field
```
will output:
```yaml
something: else
---
b:
c: 2
```
Note that '*' is in quotes to avoid being interpreted by your shell.
{!snippets/keys_with_dots.md!}
-26
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@@ -1,26 +0,0 @@
# yq
yq is a 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.
## Install
On MacOS:
```
brew install yq
```
On Ubuntu and other Linux distros supporting `snap` packages:
```
snap install yq
```
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:
```
go get gopkg.in/mikefarah/yq.v2
```
[View on GitHub](https://github.com/mikefarah/yq)
-189
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@@ -1,189 +0,0 @@
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.
```
yq m <yaml_file> <path>...
```
### To Stdout
Given a data1.yaml file of:
```yaml
a: simple
b: [1, 2]
```
and data2.yaml file of:
```yaml
a: other
c:
test: 1
```
then
```bash
yq m data1.yaml data2.yaml
```
will output:
```yaml
a: simple
b: [1, 2]
c:
test: 1
```
### Updating files in-place
Given a data1.yaml file of:
```yaml
a: simple
b: [1, 2]
```
and data2.yaml file of:
```yaml
a: other
c:
test: 1
```
then
```bash
yq m -i data1.yaml data2.yaml
```
will update the data1.yaml file so that the value of 'c' is 'test: 1'.
### Overwrite values
Given a data1.yaml file of:
```yaml
a: simple
b: [1, 2]
```
and data2.yaml file of:
```yaml
a: other
c:
test: 1
```
then
```bash
yq m -x data1.yaml data2.yaml
```
will output:
```yaml
a: other
b: [1, 2]
c:
test: 1
```
### Overwrite values with arrays
Given a data1.yaml file of:
```yaml
a: simple
b: [1, 2]
```
and data3.yaml file of:
```yaml
b: [3, 4]
c:
test: 2
other: true
d: false
```
then
```bash
yq m -x data1.yaml data3.yaml
```
will output:
```yaml
a: simple
b: [3, 4]
c:
test: 2
other: true
d: false
```
Notice that 'b' does not result in the merging of the values within an array.
### Append values with arrays
Given a data1.yaml file of:
```yaml
a: simple
b: [1, 2]
d: hi
```
and data3.yaml file of:
```yaml
a: something
b: [3, 4]
c:
test: 2
other: true
```
then
```bash
yq m -a data1.yaml data3.yaml
```
will output:
```yaml
a: simple
b: [1, 2, 3, 4]
c:
test: 2
other: true
d: hi
```
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).
Append cannot be used with overwrite, if both flags are given then append is ignored.
### Multiple Documents - merge into single document
Currently yq only has multi-document support for the _first_ document being merged into. The remaining yaml files will have their first document selected.
Given a data1.yaml file of:
```yaml
something: else
---
a: simple
b: cat
```
and data3.yaml file of:
```yaml
b: dog
```
then
```bash
yq m -x -d1 data1.yaml data3.yaml
```
will output:
```yaml
something: else
---
a: simple
b: dog
```
### Multiple Documents - merge into all documents
Currently yq only has multi-document support for the _first_ document being merged into. The remaining yaml files will have their first document selected.
Given a data1.yaml file of:
```yaml
something: else
---
a: simple
b: cat
```
and data3.yaml file of:
```yaml
b: dog
```
then
```bash
yq m -x -d'*' data1.yaml data3.yaml
```
will output:
```yaml
b: dog
something: else
---
a: simple
b: dog
```
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@@ -1,125 +0,0 @@
```
yq r <yaml_file|json_file> <path>
```
{!snippets/works_with_json.md!}
### Basic
Given a sample.yaml file of:
```yaml
b:
c: 2
```
then
```bash
yq r sample.yaml b.c
```
will output the value of '2'.
### From Stdin
Given a sample.yaml file of:
```bash
cat sample.yaml | yq r - b.c
```
will output the value of '2'.
### Splat
Given a sample.yaml file of:
```yaml
---
bob:
item1:
cats: bananas
item2:
cats: apples
```
then
```bash
yq r sample.yaml bob.*.cats
```
will output
```yaml
- bananas
- apples
```
### Multiple Documents - specify a single document
Given a sample.yaml file of:
```yaml
something: else
---
b:
c: 2
```
then
```bash
yq r -d1 sample.yaml b.c
```
will output the value of '2'.
### Multiple Documents - read all documents
Reading all documents will return the result as an array. This can be converted to json using the '-j' flag if desired.
Given a sample.yaml file of:
```yaml
name: Fred
age: 22
---
name: Stella
age: 23
---
name: Android
age: 232
```
then
```bash
yq r -d'*' sample.yaml name
```
will output:
```
- Fred
- Stella
- Android
```
### Arrays
You can give an index to access a specific element:
e.g.: given a sample file of
```yaml
b:
e:
- name: fred
value: 3
- name: sam
value: 4
```
then
```
yq r sample.yaml 'b.e[1].name'
```
will output 'sam'
Note that the path is in quotes to avoid the square brackets being interpreted by your shell.
### Array Splat
e.g.: given a sample file of
```yaml
b:
e:
- name: fred
value: 3
- name: sam
value: 4
```
then
```
yq r sample.yaml 'b.e[*].name'
```
will output:
```
- fred
- sam
```
Note that the path is in quotes to avoid the square brackets being interpreted by your shell.
{!snippets/keys_with_dots.md!}
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@@ -1,19 +0,0 @@
### Keys with dots
When specifying a key that has a dot use key lookup indicator.
```yaml
b:
foo.bar: 7
```
```bash
yaml r sample.yaml 'b[foo.bar]'
```
```bash
yaml w sample.yaml 'b[foo.bar]' 9
```
Any valid yaml key can be specified as part of a key lookup.
Note that the path is in quotes to avoid the square brackets being interpreted by your shell.
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This command can take a json file as input too, and will output yaml unless specified to export as json (-j)
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```
yq w <yaml_file> <path> <new value>
```
### To Stdout
Given a sample.yaml file of:
```yaml
b:
c: 2
```
then
```bash
yq w sample.yaml b.c cat
```
will output:
```yaml
b:
c: cat
```
### From STDIN
```bash
cat sample.yaml | yq w - b.c blah
```
### Adding new fields
Any missing fields in the path will be created on the fly.
Given a sample.yaml file of:
```yaml
b:
c: 2
```
then
```bash
yq w sample.yaml b.d[0] "new thing"
```
will output:
```yaml
b:
c: cat
d:
- new thing
```
### Appending value to an array field
Given a sample.yaml file of:
```yaml
b:
c: 2
d:
- new thing
- foo thing
```
then
```bash
yq w sample.yaml "b.d[+]" "bar thing"
```
will output:
```yaml
b:
c: cat
d:
- new thing
- foo thing
- bar thing
```
Note that the path is in quotes to avoid the square brackets being interpreted by your shell.
### Multiple Documents - update a single document
Given a sample.yaml file of:
```yaml
something: else
---
b:
c: 2
```
then
```bash
yq w -d1 sample.yaml b.c 5
```
will output:
```yaml
something: else
---
b:
c: 5
```
### Multiple Documents - update all documents
Given a sample.yaml file of:
```yaml
something: else
---
b:
c: 2
```
then
```bash
yq w -d'*' sample.yaml b.c 5
```
will output:
```yaml
something: else
b:
c: 5
---
b:
c: 5
```
Note that '*' is in quotes to avoid being interpreted by your shell.
### Updating files in-place
Given a sample.yaml file of:
```yaml
b:
c: 2
```
then
```bash
yq w -i sample.yaml b.c cat
```
will update the sample.yaml file so that the value of 'c' is cat.
### Updating multiple values with a script
Given a sample.yaml file of:
```yaml
b:
c: 2
e:
- name: Billy Bob
```
and a script update_instructions.yaml of:
```yaml
b.c: 3
b.e[0].name: Howdy Partner
```
then
```bash
yq w -s update_instructions.yaml sample.yaml
```
will output:
```yaml
b:
c: 3
e:
- name: Howdy Partner
```
And, of course, you can pipe the instructions in using '-':
```bash
cat update_instructions.yaml | yq w -s - sample.yaml
```
### Values starting with a hyphen (or dash)
The flag terminator needs to be used to stop the app from attempting to parse the subsequent arguments as flags:
```
yq w -- my.path -3
```
will output
```yaml
my:
path: -3
```
{!snippets/keys_with_dots.md!}
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# Operators
+336
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# Add
Add behaves differently according to the type of the LHS:
* arrays: concatenate
* number scalars: arithmetic addition
* string scalars: concatenate
* maps: shallow merge (use the multiply operator (`*`) to deeply merge)
Use `+=` as a relative append assign for things like increment. Note that `.a += .x` is equivalent to running `.a = .a + .x`.
## Concatenate arrays
Given a sample.yml file of:
```yaml
a:
- 1
- 2
b:
- 3
- 4
```
then
```bash
yq '.a + .b' sample.yml
```
will output
```yaml
- 1
- 2
- 3
- 4
```
## Concatenate to existing array
Note that the styling of `a` is kept.
Given a sample.yml file of:
```yaml
a: [1,2]
b:
- 3
- 4
```
then
```bash
yq '.a += .b' sample.yml
```
will output
```yaml
a: [1, 2, 3, 4]
b:
- 3
- 4
```
## Concatenate null to array
Given a sample.yml file of:
```yaml
a:
- 1
- 2
```
then
```bash
yq '.a + null' sample.yml
```
will output
```yaml
- 1
- 2
```
## Append to existing array
Note that the styling is copied from existing array elements
Given a sample.yml file of:
```yaml
a: ['dog']
```
then
```bash
yq '.a += "cat"' sample.yml
```
will output
```yaml
a: ['dog', 'cat']
```
## Prepend to existing array
Given a sample.yml file of:
```yaml
a:
- dog
```
then
```bash
yq '.a = ["cat"] + .a' sample.yml
```
will output
```yaml
a:
- cat
- dog
```
## Add new object to array
Given a sample.yml file of:
```yaml
a:
- dog: woof
```
then
```bash
yq '.a + {"cat": "meow"}' sample.yml
```
will output
```yaml
- dog: woof
- cat: meow
```
## Relative append
Given a sample.yml file of:
```yaml
a:
a1:
b:
- cat
a2:
b:
- dog
a3: {}
```
then
```bash
yq '.a[].b += ["mouse"]' sample.yml
```
will output
```yaml
a:
a1:
b:
- cat
- mouse
a2:
b:
- dog
- mouse
a3:
b:
- mouse
```
## String concatenation
Given a sample.yml file of:
```yaml
a: cat
b: meow
```
then
```bash
yq '.a += .b' sample.yml
```
will output
```yaml
a: catmeow
b: meow
```
## Number addition - float
If the lhs or rhs are floats then the expression will be calculated with floats.
Given a sample.yml file of:
```yaml
a: 3
b: 4.9
```
then
```bash
yq '.a = .a + .b' sample.yml
```
will output
```yaml
a: 7.9
b: 4.9
```
## Number addition - int
If both the lhs and rhs are ints then the expression will be calculated with ints.
Given a sample.yml file of:
```yaml
a: 3
b: 4
```
then
```bash
yq '.a = .a + .b' sample.yml
```
will output
```yaml
a: 7
b: 4
```
## Increment numbers
Given a sample.yml file of:
```yaml
a: 3
b: 5
```
then
```bash
yq '.[] += 1' sample.yml
```
will output
```yaml
a: 4
b: 6
```
## Date addition
You can add durations to dates. Assumes RFC3339 date time format, see [date-time operators](https://mikefarah.gitbook.io/yq/operators/date-time-operators) for more information.
Given a sample.yml file of:
```yaml
a: 2021-01-01T00:00:00Z
```
then
```bash
yq '.a += "3h10m"' sample.yml
```
will output
```yaml
a: 2021-01-01T03:10:00Z
```
## Date addition - custom format
You can add durations to dates. See [date-time operators](https://mikefarah.gitbook.io/yq/operators/date-time-operators) for more information.
Given a sample.yml file of:
```yaml
a: Saturday, 15-Dec-01 at 2:59AM GMT
```
then
```bash
yq 'with_dtf("Monday, 02-Jan-06 at 3:04PM MST", .a += "3h1m")' sample.yml
```
will output
```yaml
a: Saturday, 15-Dec-01 at 6:00AM GMT
```
## Add to null
Adding to null simply returns the rhs
Running
```bash
yq --null-input 'null + "cat"'
```
will output
```yaml
cat
```
## Add maps to shallow merge
Adding objects together shallow merges them. Use `*` to deeply merge.
Given a sample.yml file of:
```yaml
a:
thing:
name: Astuff
value: x
a1: cool
b:
thing:
name: Bstuff
legs: 3
b1: neat
```
then
```bash
yq '.a += .b' sample.yml
```
will output
```yaml
a:
thing:
name: Bstuff
legs: 3
a1: cool
b1: neat
b:
thing:
name: Bstuff
legs: 3
b1: neat
```
## Custom types: that are really strings
When custom tags are encountered, yq will try to decode the underlying type.
Given a sample.yml file of:
```yaml
a: !horse cat
b: !goat _meow
```
then
```bash
yq '.a += .b' sample.yml
```
will output
```yaml
a: !horse cat_meow
b: !goat _meow
```
## Custom types: that are really numbers
When custom tags are encountered, yq will try to decode the underlying type.
Given a sample.yml file of:
```yaml
a: !horse 1.2
b: !goat 2.3
```
then
```bash
yq '.a += .b' sample.yml
```
will output
```yaml
a: !horse 3.5
b: !goat 2.3
```
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# Alternative (Default value)
This operator is used to provide alternative (or default) values when a particular expression is either null or false.
## LHS is defined
Given a sample.yml file of:
```yaml
a: bridge
```
then
```bash
yq '.a // "hello"' sample.yml
```
will output
```yaml
bridge
```
## LHS is not defined
Given a sample.yml file of:
```yaml
{}
```
then
```bash
yq '.a // "hello"' sample.yml
```
will output
```yaml
hello
```
## LHS is null
Given a sample.yml file of:
```yaml
a: ~
```
then
```bash
yq '.a // "hello"' sample.yml
```
will output
```yaml
hello
```
## LHS is false
Given a sample.yml file of:
```yaml
a: false
```
then
```bash
yq '.a // "hello"' sample.yml
```
will output
```yaml
hello
```
## RHS is an expression
Given a sample.yml file of:
```yaml
a: false
b: cat
```
then
```bash
yq '.a // .b' sample.yml
```
will output
```yaml
cat
```
## Update or create - entity exists
This initialises `a` if it's not present
Given a sample.yml file of:
```yaml
a: 1
```
then
```bash
yq '(.a // (.a = 0)) += 1' sample.yml
```
will output
```yaml
a: 2
```
## Update or create - entity does not exist
This initialises `a` if it's not present
Given a sample.yml file of:
```yaml
b: camel
```
then
```bash
yq '(.a // (.a = 0)) += 1' sample.yml
```
will output
```yaml
b: camel
a: 1
```

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