fixed leading content logic

wip
put comments on key node instead
2026-08-24 16:39:58 +08:00 · 2022-10-28 13:50:22 +11:00 · 2022-10-27 16:16:00 +11:00 · 2022-10-27 15:27:37 +11:00 · 2022-10-26 13:24:36 +11:00 · 2022-10-26 13:12:30 +11:00
227 changed files with 975 additions and 7847 deletions
@@ -38,7 +38,7 @@ jobs:

    steps:
    - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v3

    # Initializes the CodeQL tools for scanning.
    - name: Initialize CodeQL
@@ -14,16 +14,16 @@ jobs:
      IMAGE_NAME: mikefarah/yq
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v3

      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v2
        with:
          platforms: all

      - name: Set up Docker Buildx
        id: buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v2
        with:
          version: latest

@@ -10,14 +10,14 @@ jobs:
    runs-on: ubuntu-latest
    steps:

-    - name: Set up Go
-      uses: actions/setup-go@v4
+    - name: Set up Go 1.19
+      uses: actions/setup-go@v3
      with:
-        go-version: '^1.20'
+        go-version: 1.19
      id: go

    - name: Check out code into the Go module directory
-      uses: actions/checkout@v4
+      uses: actions/checkout@v3

    - name: Get dependencies
      run: |
@@ -9,19 +9,20 @@ jobs:
  publishGitRelease:
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v4
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
        with:
-          go-version: '^1.20'
+          go-version: '^1.19'
          check-latest: true
      - name: Compile man page markup
        id: gen-man-page-md
        run: |
          ./scripts/generate-man-page-md.sh
+          echo "::set-output name=man-page-md::man.md"

      - name: Get the version
        id: get_version
-        run: echo "VERSION=${GITHUB_REF##*/}" >> "${GITHUB_OUTPUT}"
+        run: echo ::set-output name=VERSION::${GITHUB_REF##*/}

      - name: Generate man page
        uses: docker://pandoc/core:2.14.2
@@ -35,7 +36,7 @@ jobs:
            --variable=header:"yq (https://github.com/mikefarah/yq/) version ${{ steps.get_version.outputs.VERSION }}"
            --variable=author:"Mike Farah"
            --output=yq.1
-            man.md
+            ${{ steps.gen-man-page-md.outputs.man-page-md }}

      - name: Cross compile
        run: |
@@ -1,23 +0,0 @@
-name: Release Snap
-
-on:
-  release:
-    types: [released]
-
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-jobs:
-    buildSnap:
-      environment: snap
-      runs-on: ubuntu-latest
-      steps:
-        - uses: actions/checkout@v4
-        - uses: snapcore/action-build@v1
-          id: build
-        - uses: snapcore/action-publish@v1
-          env:
-            SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.STORE_LOGIN }}
-          with:
-            snap: ${{ steps.build.outputs.snap }}
-            release: stable
@@ -13,7 +13,7 @@ jobs:
    runs-on: ubuntu-latest

    steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v3
      - name: Get test
        id: get_value
        uses: mikefarah/yq@master
@@ -41,8 +41,6 @@ yq*.snap

 test.yml
 test*.yml
-test*.xml
-test*.toml
 test*.yaml
 0.yml
 1.yml
@@ -1,6 +1,6 @@
 # Development

-1. Install (Golang)[https://golang.org/]
+1. Install (golang)[https://golang.org/]
 1. Run  `scripts/devtools.sh` to install the required devtools
 2. Run `make [local] vendor` to install the vendor dependencies
 2. Run `make [local] test` to ensure you can run the existing tests
@@ -12,7 +12,7 @@

 # Documentation

-The documentation is a bit of a mixed bag (sorry in advance, I do plan on simplifying it...) - with some parts automatically generated and stiched together and some statically defined.
+The documentation is a bit of a mixed bag (sorry in advanced, I do plan on simplifying it...) - with some parts automatically generated and stiched together and some statically defined.

 Documentation is written in markdown, and is published in the 'gitbook' branch.

@@ -1,10 +1,10 @@
-FROM golang:1.21.1 as builder
+FROM golang:1.19.2 as builder

 WORKDIR /go/src/mikefarah/yq

 COPY . .

-RUN CGO_ENABLED=0 go build -ldflags "-s -w" .
+RUN CGO_ENABLED=0 go build .
 # RUN ./scripts/test.sh -- this too often times out in the github pipeline.
 RUN ./scripts/acceptance.sh

@@ -1,4 +1,4 @@
-FROM golang:1.21.1
+FROM golang:1.19.2

 COPY scripts/devtools.sh /opt/devtools.sh

@@ -84,12 +84,8 @@ format: vendor
 	${ENGINERUN} bash ./scripts/format.sh


-.PHONY: spelling
-spelling: format
-	${ENGINERUN} bash ./scripts/spelling.sh
-
 .PHONY: secure
-secure: spelling
+secure: format
 	${ENGINERUN} bash ./scripts/secure.sh

 .PHONY: check
@@ -7,7 +7,6 @@ export GIT_DESCRIBE = $(shell git describe --tags --always)
 LDFLAGS :=
 LDFLAGS += -X main.GitCommit=${GIT_COMMIT}${GIT_DIRTY}
 LDFLAGS += -X main.GitDescribe=${GIT_DESCRIBE}
-LDFLAGS += -w -s

 GITHUB_TOKEN ?=

@@ -19,7 +19,7 @@ Pipe from STDIN:
 yq '.a.b[0].c' < file.yaml
 ```

-Update a yaml file, in place
+Update a yaml file, inplace
 ```bash
 yq -i '.a.b[0].c = "cool"' file.yaml
 ```
@@ -45,17 +45,12 @@ yq -i '
 ' 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
+yq -P sample.json
 ```

-See [recipes](https://mikefarah.gitbook.io/yq/recipes) for more examples and the [documentation](https://mikefarah.gitbook.io/yq/) for more information.
+See the [documentation](https://mikefarah.gitbook.io/yq/) for more examples.

 Take a look at the discussions for [common questions](https://github.com/mikefarah/yq/discussions/categories/q-a), and [cool ideas](https://github.com/mikefarah/yq/discussions/categories/show-and-tell)

@@ -66,9 +61,6 @@ Take a look at the discussions for [common questions](https://github.com/mikefar
 ### wget
 Use wget to download, gzipped pre-compiled binaries:

-
-For instance, VERSION=v4.2.0 and BINARY=yq_linux_amd64
-
 #### Compressed via tar.gz
 ```bash
 wget https://github.com/mikefarah/yq/releases/download/${VERSION}/${BINARY}.tar.gz -O - |\
@@ -82,7 +74,9 @@ wget https://github.com/mikefarah/yq/releases/download/${VERSION}/${BINARY} -O /
    chmod +x /usr/bin/yq
 ```

-#### Latest version
+For instance, VERSION=v4.2.0 and BINARY=yq_linux_amd64
+
+Use VERSION=latest to always get the latest version:

 ```bash
 wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq &&\
@@ -234,8 +228,6 @@ go install github.com/mikefarah/yq/v4@latest
 ## Community Supported Installation methods
 As these are supported by the community :heart: - however, they may be out of date with the officially supported releases.

-_Please note that the Debian package (previously supported by @rmescandon) is no longer maintained. Please use an alternative installation method._
-

 ### Nix

@@ -262,9 +254,6 @@ pacman -S go-yq
 ```

 ### Windows:
-
-Using [Chocolatey](https://chocolatey.org)
-
 [![Chocolatey](https://img.shields.io/chocolatey/v/yq.svg)](https://chocolatey.org/packages/yq)
 [![Chocolatey](https://img.shields.io/chocolatey/dt/yq.svg)](https://chocolatey.org/packages/yq)
 ```
@@ -272,15 +261,12 @@ choco install yq
 ```
 Supported by @chillum (https://chocolatey.org/packages/yq)

-Using [scoop](https://scoop.sh/)
-```
-scoop install main/yq
-```
+and

-Using [winget](https://learn.microsoft.com/en-us/windows/package-manager/)
-```
-winget install --id MikeFarah.yq
-```
+### Winget
+winget install yq
+
+https://winget.run/pkg/MikeFarah/yq

 ### Mac:
 Using [MacPorts](https://www.macports.org/)
@@ -299,6 +285,15 @@ Supported by Tuan Hoang
 https://pkgs.alpinelinux.org/package/edge/community/x86/yq


+### On Ubuntu 16.04 or higher from Debian package:
+```sh
+sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys CC86BB64
+sudo add-apt-repository ppa:rmescandon/yq
+sudo apt update
+sudo apt install yq -y
+```
+Supported by @rmescandon (https://launchpad.net/~rmescandon/+archive/ubuntu/yq)
+
 ## Features
 - [Detailed documentation with many examples](https://mikefarah.gitbook.io/yq/)
 - Written in portable go, so you can download a lovely dependency free binary
@@ -310,7 +305,7 @@ https://pkgs.alpinelinux.org/package/edge/community/x86/yq
 - [Deeply data structures](https://mikefarah.gitbook.io/yq/operators/traverse-read)
 - [Sort keys](https://mikefarah.gitbook.io/yq/operators/sort-keys)
 - Manipulate yaml [comments](https://mikefarah.gitbook.io/yq/operators/comment-operators), [styling](https://mikefarah.gitbook.io/yq/operators/style), [tags](https://mikefarah.gitbook.io/yq/operators/tag) and [anchors and aliases](https://mikefarah.gitbook.io/yq/operators/anchor-and-alias-operators).
- [Update in place](https://mikefarah.gitbook.io/yq/v/v4.x/commands/evaluate#flags)
+- [Update inplace](https://mikefarah.gitbook.io/yq/v/v4.x/commands/evaluate#flags)
 - [Complex expressions to select and update](https://mikefarah.gitbook.io/yq/operators/select#select-and-update-matching-values-in-map)
 - Keeps yaml formatting and comments when updating (though there are issues with whitespace)
 - [Decode/Encode base64 data](https://mikefarah.gitbook.io/yq/operators/encode-decode)
@@ -337,7 +332,7 @@ Examples:
 # yq defaults to 'eval' command if no command is specified. See "yq eval --help" for more examples.
 yq '.stuff' < myfile.yml # outputs the data at the "stuff" node from "myfile.yml"

-yq -i '.stuff = "foo"' myfile.yml # update myfile.yml in place
+yq -i '.stuff = "foo"' myfile.yml # update myfile.yml inplace


 Available Commands:
@@ -354,7 +349,7 @@ Flags:
      --header-preprocess             Slurp any header comments and separators before processing expression. (default true)
  -h, --help                          help for yq
  -I, --indent int                    sets indent level for output (default 2)
-  -i, --inplace                       update the file in place of first file given.
+  -i, --inplace                       update the file inplace of first file given.
  -p, --input-format string           [yaml|y|xml|x] parse format for input. Note that json is a subset of yaml. (default "yaml")
  -M, --no-colors                     force print with no colors
  -N, --no-doc                        Don't print document separators (---)
@@ -373,6 +368,5 @@ Use "yq [command] --help" for more information about a command.
 ## Known Issues / Missing Features
 - `yq` attempts to preserve comment positions and whitespace as much as possible, but it does not handle all scenarios (see https://github.com/go-yaml/yaml/tree/v3 for details)
 - Powershell has its own...[opinions on quoting yq](https://mikefarah.gitbook.io/yq/usage/tips-and-tricks#quotes-in-windows-powershell)
- "yes", "no" were dropped as boolean values in the yaml 1.2 standard - which is the standard yq assumes.

 See [tips and tricks](https://mikefarah.gitbook.io/yq/usage/tips-and-tricks) for more common problems and solutions.
@@ -3,25 +3,25 @@
 testWriteInPlacePipeIn() {
  result=$(./yq e -i -n '.a' 2>&1)
  assertEquals 1 $?
-  assertEquals "Error: write in place flag only applicable when giving an expression and at least one file" "$result"
+  assertEquals "Error: write inplace flag only applicable when giving an expression and at least one file" "$result"
 }

 testWriteInPlacePipeInEvalall() {
  result=$(./yq ea -i -n '.a' 2>&1)
  assertEquals 1 $?
-  assertEquals "Error: write in place flag only applicable when giving an expression and at least one file" "$result"
+  assertEquals "Error: write inplace flag only applicable when giving an expression and at least one file" "$result"
 }

 testWriteInPlaceWithSplit() {
  result=$(./yq e -s "cat" -i '.a = "thing"' test.yml 2>&1)
  assertEquals 1 $?
-  assertEquals "Error: write in place cannot be used with split file" "$result"
+  assertEquals "Error: write inplace cannot be used with split file" "$result"
 }

 testWriteInPlaceWithSplitEvalAll() {
  result=$(./yq ea -s "cat" -i '.a = "thing"' test.yml 2>&1)
  assertEquals 1 $?
-  assertEquals "Error: write in place cannot be used with split file" "$result"
+  assertEquals "Error: write inplace cannot be used with split file" "$result"
 }

 testNullWithFiles() {
@@ -143,7 +143,7 @@ testBasicCatWithFilesNoDash() {
 }

 # when the nullinput flag is used
-# don't automatically read STDIN (this breaks github actions)
+# dont automatically read STDIN (this breaks github actions)
 testBasicCreateFileGithubAction() {
  cat /dev/null | ./yq -n ".a = 123" > test.yml
 }
@@ -302,7 +302,7 @@ testBasicExitStatusNoEval() {
  assertEquals 1 "$?"
 }

-testBasicExtractFieldWithSeparator() {
+testBasicExtractFieldWithSeperator() {
    cat >test.yml <<EOL
 ---
 name: chart-name
@@ -312,7 +312,7 @@ EOL
  assertEquals "chart-name" "$X"
 }

-testBasicExtractMultipleFieldWithSeparator() {
+testBasicExtractMultipleFieldWithSeperator() {
    cat >test.yml <<EOL
 ---
 name: chart-name
@@ -1,249 +0,0 @@
-#!/bin/bash
-
-setUp() {
-  rm test*.yml 2>/dev/null || true
-  rm test*.toml 2>/dev/null || true
-  rm test*.tfstate 2>/dev/null || true
-  rm test*.json 2>/dev/null || true
-  rm test*.properties 2>/dev/null || true
-  rm test*.csv 2>/dev/null || true
-  rm test*.tsv 2>/dev/null || true
-  rm test*.xml 2>/dev/null || true
-}
-
-testInputJson() {
-  cat >test.json <<EOL
-{ "mike" : { "things": "cool" } }
-EOL
-
-  read -r -d '' expected << EOM
-{
-  "mike": {
-    "things": "cool"
-  }
-}
-EOM
-
-  X=$(./yq test.json)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.json)
-  assertEquals "$expected" "$X"
-}
-
-testInputToml() {
-  cat >test.toml <<EOL
-[owner]
-name = "Tom Preston-Werner"
-dob = 1979-05-27T07:32:00-08:00
-EOL
-
-  read -r -d '' expected << EOM
-owner:
-  name: Tom Preston-Werner
-  dob: 1979-05-27T07:32:00-08:00
-EOM
-
-  X=$(./yq -oy test.toml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -oy test.toml)
-  assertEquals "$expected" "$X"
-}
-
-testInputTfstate() {
-  cat >test.tfstate <<EOL
-{ "mike" : { "things": "cool" } }
-EOL
-
-  read -r -d '' expected << EOM
-{"mike": {"things": "cool"}}
-EOM
-
-  X=$(./yq test.tfstate)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.tfstate)
-  assertEquals "$expected" "$X"
-}
-
-testInputJsonOutputYaml() {
-  cat >test.json <<EOL
-{ "mike" : { "things": "cool" } }
-EOL
-
-  read -r -d '' expected << EOM
-mike:
-  things: cool
-EOM
-
-  X=$(./yq test.json -oy)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.json -oy)
-  assertEquals "$expected" "$X"
-}
-
-testInputProperties() {
-  cat >test.properties <<EOL
-mike.things = hello
-EOL
-
-  read -r -d '' expected << EOM
-mike.things = hello
-EOM
-
-  X=$(./yq e test.properties)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq test.properties)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.properties)
-  assertEquals "$expected" "$X"
-}
-
-testInputPropertiesGitHubAction() {
-  cat >test.properties <<EOL
-mike.things = hello
-EOL
-
-  read -r -d '' expected << EOM
-mike.things = hello
-EOM
-
-  X=$(cat /dev/null | ./yq e test.properties)
-  assertEquals "$expected" "$X"
-
-  X=$(cat /dev/null | ./yq ea test.properties)
-  assertEquals "$expected" "$X"
-}
-
-testInputCSV() {
-  cat >test.csv <<EOL
-fruit,yumLevel
-apple,5
-banana,4
-EOL
-
-  read -r -d '' expected << EOM
-fruit,yumLevel
-apple,5
-banana,4
-EOM
-
-  X=$(./yq e test.csv)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.csv)
-  assertEquals "$expected" "$X"
-}
-
-testInputCSVUTF8() {
-  read -r -d '' expected << EOM
-id,first,last
-1,john,smith
-1,jane,smith
-EOM
-
-  X=$(./yq utf8.csv)
-  assertEquals "$expected" "$X"
-}
-
-testInputTSV() {
-  cat >test.tsv <<EOL
-fruit	yumLevel
-apple	5
-banana	4
-EOL
-
-  read -r -d '' expected << EOM
-fruit	yumLevel
-apple	5
-banana	4
-EOM
-
-  X=$(./yq e test.tsv)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.tsv)
-  assertEquals "$expected" "$X"
-}
-
-
-
-
-testInputXml() {
-  cat >test.xml <<EOL
-<cat legs="4">BiBi</cat>
-EOL
-
-  read -r -d '' expected << EOM
-<cat legs="4">BiBi</cat>
-EOM
-
-  X=$(./yq e test.xml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.xml)
-  assertEquals "$expected" "$X"
-}
-
-testInputXmlNamespaces() {
-  cat >test.xml <<EOL
-<?xml version="1.0"?>
-<map xmlns="some-namespace" xmlns:xsi="some-instance" xsi:schemaLocation="some-url">
-</map>
-EOL
-
-  read -r -d '' expected << EOM
-<?xml version="1.0"?>
-<map xmlns="some-namespace" xmlns:xsi="some-instance" xsi:schemaLocation="some-url"></map>
-EOM
-
-  X=$(./yq e test.xml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.xml)
-  assertEquals "$expected" "$X"
-}
-
-
-
-testInputXmlStrict() {
-  cat >test.xml <<EOL
-<?xml version="1.0"?>
-<!DOCTYPE root [
-<!ENTITY writer "Catherine.">
-<!ENTITY copyright "(r) Great">
-]>
-<root>
-    <item>&writer;&copyright;</item>
-</root>
-EOL
-
-  X=$(./yq --xml-strict-mode test.xml  2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: bad file 'test.xml': XML syntax error on line 7: invalid character entity &writer;" "$X"
-
-  X=$(./yq ea --xml-strict-mode test.xml  2>&1)
-  assertEquals "Error: bad file 'test.xml': XML syntax error on line 7: invalid character entity &writer;" "$X"
-}
-
-testInputXmlGithubAction() {
-  cat >test.xml <<EOL
-<cat legs="4">BiBi</cat>
-EOL
-
-  read -r -d '' expected << EOM
-<cat legs="4">BiBi</cat>
-EOM
-
-  X=$(cat /dev/null | ./yq e test.xml)
-  assertEquals "$expected" "$X"
-
-  X=$(cat /dev/null | ./yq ea test.xml)
-  assertEquals "$expected" "$X"
-}
-
-source ./scripts/shunit2
@@ -109,7 +109,7 @@ EOL
  read -r -d '' expected << EOM
 cat:
  +content: BiBi
-  +@legs: "4"
+  +legs: "4"
 EOM

  X=$(./yq e -p=xml test.yml)
@@ -120,7 +120,7 @@ EOM
 }

 testInputXmlNamespaces() {
-  cat >test.xml <<EOL
+  cat >test.yml <<EOL
 <?xml version="1.0"?>
 <map xmlns="some-namespace" xmlns:xsi="some-instance" xsi:schemaLocation="some-url">
 </map>
@@ -129,15 +129,15 @@ EOL
  read -r -d '' expected << EOM
 +p_xml: version="1.0"
 map:
-  +@xmlns: some-namespace
-  +@xmlns:xsi: some-instance
-  +@xsi:schemaLocation: some-url
+  +xmlns: some-namespace
+  +xmlns:xsi: some-instance
+  +xsi:schemaLocation: some-url
 EOM

-  X=$(./yq e -p=xml test.xml)
+  X=$(./yq e -p=xml test.yml)
  assertEquals "$expected" "$X"

-  X=$(./yq ea -p=xml test.xml)
+  X=$(./yq ea -p=xml test.yml)
  assertEquals "$expected" "$X"
 }

@@ -190,7 +190,7 @@ EOL
  read -r -d '' expected << EOM
 cat:
  +content: BiBi
-  +@legs: "4"
+  +legs: "4"
 EOM

  X=$(cat /dev/null | ./yq e -p=xml test.yml)
@@ -11,7 +11,7 @@ a: test
 EOL
 }

-testLeadingSeparatorWithDoc() {
+testLeadingSeperatorWithDoc() {
  cat >test.yml <<EOL
 # hi peeps
 # cool
@@ -34,94 +34,18 @@ EOM
  assertEquals "$expected" "$X"
 }

-
-testLeadingSeparatorWithNewlinesNewDoc() {
-  cat >test.yml <<EOL
-# hi peeps
-# cool
-
-
---
-a: test
---
-b: cool
-EOL
-
-  read -r -d '' expected << EOM
-# hi peeps
-# cool
-
-
---
-a: thing
---
-b: cool
-EOM
-
-  X=$(./yq e '(select(di == 0) | .a) = "thing"' - < test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorWithNewlinesMoreComments() {
-  cat >test.yml <<EOL
-# hi peeps
-# cool
-
---
-# great
-
-a: test
---
-b: cool
-EOL
-
-  read -r -d '' expected << EOM
-# hi peeps
-# cool
-
---
-# great
-
-a: thing
---
-b: cool
-EOM
-
-  X=$(./yq e '(select(di == 0) | .a) = "thing"' - < test.yml)
-  assertEquals "$expected" "$X"
-}
-
-
-testLeadingSeparatorWithDirective() {
-  cat >test.yml <<EOL
-%YAML 1.1
---
-this: should really work
-EOL
-
-  read -r -d '' expected << EOM
-%YAML 1.1
---
-this: should really work
-EOM
-
-  X=$(./yq < test.yml)
-  assertEquals "$expected" "$X"
-}
-
-
-testLeadingSeparatorPipeIntoEvalSeq() {
+testLeadingSeperatorPipeIntoEvalSeq() {
  X=$(./yq e - < test.yml)
  expected=$(cat test.yml)
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorExtractField() {
+testLeadingSeperatorExtractField() {
  X=$(./yq e '.a' - < test.yml)
  assertEquals "test" "$X"
 }

-testLeadingSeparatorExtractFieldWithCommentsAfterSep() {
+testLeadingSeperatorExtractFieldWithCommentsAfterSep() {
  cat >test.yml <<EOL
 ---
 # hi peeps
@@ -132,7 +56,7 @@ EOL
  assertEquals "test" "$X"
 }

-testLeadingSeparatorExtractFieldWithCommentsBeforeSep() {
+testLeadingSeperatorExtractFieldWithCommentsBeforeSep() {
  cat >test.yml <<EOL
 # hi peeps
 # cool
@@ -144,7 +68,7 @@ EOL
 }


-testLeadingSeparatorExtractFieldMultiDoc() {
+testLeadingSeperatorExtractFieldMultiDoc() {
  cat >test.yml <<EOL
 ---
 a: test
@@ -161,13 +85,13 @@ EOM
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorExtractFieldMultiDocWithComments() {
+testLeadingSeperatorExtractFieldMultiDocWithComments() {
  cat >test.yml <<EOL
 # here
 ---
 # there
 a: test
-# wherever
+# whereever
 ---
 # you are
 a: test2
@@ -184,26 +108,26 @@ EOM
 }


-testLeadingSeparatorEvalSeq() {
+testLeadingSeperatorEvalSeq() {
  X=$(./yq e test.yml)
  expected=$(cat test.yml)
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorPipeIntoEvalAll() {
+testLeadingSeperatorPipeIntoEvalAll() {
  X=$(./yq ea - < test.yml)
  expected=$(cat test.yml)
  assertEquals "$expected" "$X"
 }


-testLeadingSeparatorEvalAll() {
+testLeadingSeperatorEvalAll() {
  X=$(./yq ea test.yml)
  expected=$(cat test.yml)
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiDocEvalSimple() {
+testLeadingSeperatorMultiDocEvalSimple() {
  read -r -d '' expected << EOM
 ---
 a: test
@@ -217,7 +141,7 @@ EOM
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiDocInOneFile() {
+testLeadingSeperatorMultiDocInOneFile() {
  cat >test.yml <<EOL
 ---
 # hi peeps
@@ -231,7 +155,7 @@ EOL
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiDocInOneFileEvalAll() {
+testLeadingSeperatorMultiDocInOneFileEvalAll() {
  cat >test.yml <<EOL
 ---
 # hi peeps
@@ -245,7 +169,7 @@ EOL
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiDocEvalComments() {
+testLeadingSeperatorMultiDocEvalComments() {
  cat >test.yml <<EOL
 # hi peeps
 # cool
@@ -273,7 +197,7 @@ EOM
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiDocEvalCommentsTrailingSep() {
+testLeadingSeperatorMultiDocEvalCommentsTrailingSep() {
  cat >test.yml <<EOL
 # hi peeps
 # cool
@@ -305,7 +229,7 @@ EOM
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiMultiDocEvalCommentsTrailingSep() {
+testLeadingSeperatorMultiMultiDocEvalCommentsTrailingSep() {
  cat >test.yml <<EOL
 # hi peeps
 # cool
@@ -345,7 +269,7 @@ EOM
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiDocEvalCommentsLeadingSep() {
+testLeadingSeperatorMultiDocEvalCommentsLeadingSep() {
  cat >test.yml <<EOL
 ---
 # hi peeps
@@ -405,7 +329,7 @@ EOM
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiDocEvalCommentsStripComments() {
+testLeadingSeperatorMultiDocEvalCommentsStripComments() {
  cat >test.yml <<EOL
 ---
 # hi peeps
@@ -428,7 +352,7 @@ EOM
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiDocEvalCommentsLeadingSepNoDocFlag() {
+testLeadingSeperatorMultiDocEvalCommentsLeadingSepNoDocFlag() {
  cat >test.yml <<EOL
 ---
 # hi peeps
@@ -454,7 +378,7 @@ EOM
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiDocEvalJsonFlag() {
+testLeadingSeperatorMultiDocEvalJsonFlag() {
  cat >test.yml <<EOL
 ---
 # hi peeps
@@ -483,7 +407,7 @@ EOM
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiDocEvalAllJsonFlag() {
+testLeadingSeperatorMultiDocEvalAllJsonFlag() {
  cat >test.yml <<EOL
 ---
 # hi peeps
@@ -512,7 +436,7 @@ EOM
  assertEquals "$expected" "$X"
 }

-testLeadingSeparatorMultiDocEvalAll() {
+testLeadingSeperatorMultiDocEvalAll() {
  read -r -d '' expected << EOM
 ---
 a: test
@@ -1,286 +0,0 @@
-#!/bin/bash
-
-setUp() {
-    rm test*.yml || true
-}
-
-## Convenient bash shortcut to read records of NUL separated values
-## from stdin the safe way. See example usage in the next tests.
-read-0() {
-    local eof="" IFS=''
-    while [ "$1" ]; do
-        ## - The `-r` avoids bad surprise with '\n' and other interpreted
-        ##   sequences that can be read.
-        ## - The `-d ''` is the (strange?) way to refer to NUL delimiter.
-        ## - The `--` is how to avoid unpleasant surprises if your
-        ##   "$1" starts with "-" (minus) sign. This protection also
-        ##   will produce a readable error if you want to try to start
-        ##   your variable names with a "-".
-        read -r -d '' -- "$1" || eof=1
-        shift
-    done
-    [ -z "$eof" ] ## fail on EOF
-}
-
-## Convenient bash shortcut to be used with the next function `p-err`
-## to read NUL separated values the safe way AND catch any errors from
-## the process creating the stream of NUL separated data.  See example
-## usage in the tests.
-read-0-err() {
-    local ret="$1" eof="" idx=0 last=
-    read -r -- "${ret?}" <<<"0"
-    shift
-    while [ "$1" ]; do
-        last=$idx
-        read -r -d '' -- "$1" || {
-            ## Put this last value in ${!ret}
-            eof="$1"
-            read -r -- "$ret" <<<"${!eof}"
-            break
-        }
-        ((idx++))
-        shift
-    done
-    [ -z "$eof" ] || {
-        if [ "$last" != 0 ]; then
-            ## Uhoh, we have no idea if the errorlevel of the internal
-            ## command was properly delimited with a NUL char, and
-            ## anyway something went really wrong at least about the
-            ## number of fields separated by NUL char and the one
-            ## expected.
-            echo "Error: read-0-err couldn't fill all value $ret = '${!ret}', '$eof', '${!eof}'" >&2
-            read -r -- "$ret" <<<"not-enough-values"
-        else
-            if ! [[ "${!ret}" =~ ^[0-9]+$ && "${!ret}" -ge 0 && "${!ret}" -le 127 ]]; then
-                ## This could happen if you don't use `p-err` wrapper,
-                ## or used stdout in unexpected ways in your inner
-                ## command.
-                echo "Error: last value is not a number, did you finish with an errorlevel ?" >&2
-                read -r -- "$ret" <<<"last-value-not-a-number"
-            fi
-        fi
-        false
-    }
-}
-
-## Simply runs command given as argument and adds errorlevel in the
-## standard output. Is expected to be used in tandem with
-## `read-0-err`.
-p-err() {
-    local exp="$1"
-    "$@"
-    printf "%s" "$?"
-}
-
-wyq-r() {
-    local exp="$1"
-    ./yq e -0 -r=false "$1"
-    printf "%s" "$?"
-}
-
-testBasicUsageRaw() {
-  cat >test.yml <<EOL
-a: foo
-b: bar
-EOL
-
-  printf "foo\0bar\0" > expected.out
-
-  ## We need to compare binary content here. We have to filter the compared
-  ## content through a representation that gets rid of NUL chars but accurately
-  ## transcribe the content.
-  ## Also as it would be nice to have a pretty output in case the test fails,
-  ## we use here 'hd': a widely available shortcut to 'hexdump' that will
-  ## pretty-print any binary to it's hexadecimal representation.
-  ##
-  ## Note that the standard `assertEquals` compare its arguments
-  ## value, but they can't hold NUL characters (this comes from the
-  ## limitation of the C API of `exec*(..)` functions that requires
-  ## `const char *arv[]`). And these are NUL terminated strings.  As a
-  ## consequence, the NUL characters gets removed in bash arguments.
-  assertEquals "$(hd expected.out)" \
-               "$(./yq e -0 '.a, .b' test.yml | hd)"
-
-  rm expected.out
-}
-
-testBasicUsage() {
-  local a b
-  cat >test.yml <<EOL
-a: foo
-b: bar
-EOL
-
-  ## We provide 2 values, and ask to fill 2 variables.
-  read-0 a b < <(./yq e -0 '.a, .b' test.yml)
-  assertEquals "$?" "0"      ## Everything is fine
-  assertEquals "foo" "$a"    ## Values are correctly parsed
-  assertEquals "bar" "$b"
-
-  a=YYY ; b=XXX
-  ## Not enough values provided to fill `a` and `b`.
-  read-0 a b < <(./yq e -0 '.a' test.yml)
-  assertEquals "$?" "1"      ## An error was emitted
-  assertEquals "foo" "$a"    ## First value was correctly parsed
-  assertEquals "" "$b"       ## Second was still reset
-
-  ## Error from inner command are not catchable !. Use
-  ## `read-0-err`/`p-err` for that.
-  read-0 a < <(printf "\0"; ./yq e -0 'xxx' test.yml; )
-  assertEquals "$?" "0"
-
-}
-
-testBasicUsageJson() {
-  cat >test.yml <<EOL
-a:
-  x: foo
-b: bar
-EOL
-
-  read-0 a b < <(./yq e -0 -o=json '.a, .b' test.yml)
-
-  assertEquals '{
-  "x": "foo"
-}' "$a"
-  assertEquals '"bar"' "$b"
-
-}
-
-testFailWithValueContainingNUL() {
-  local a b c
-  ## Note that value of field 'a' actually contains a NUL char !
-  cat >test.yml <<EOL
-a: "foo\u0000bar"
-b: 1
-c: |
-  wiz
-  boom
-EOL
-
-  ## We are looking for trouble with asking to separated fields with NUL
-  ## char and requested value `.a` actually contains itself a NUL char !
-  read-0 a b c < <(./yq e -0 '.a, .b, .c' test.yml)
-  assertNotEquals "0" "$?"   ## read-0 failed to fill all values
-
-  ## But here, we can request for one value, even if `./yq` fails
-  read-0 b < <(./yq e -0 '.b, .a' test.yml)
-  assertEquals "0" "$?"   ## read-0 succeeds at feeding the first value
-  ## Note: to catch the failure of `yq`, see in the next tests the usage
-  ## of `read-0-err`.
-
-  ## using -r=false solves any NUL containing value issues, but keeps
-  ## all in YAML representation:
-  read-0 a b c < <(./yq e -0 -r=false '.a, .b, .c' test.yml)
-  assertEquals "0" "$?"    ## All goes well despite asking for `a` value
-
-  assertEquals '"foo\0bar"' "$a"   ## This is a YAML string representation
-  assertEquals '1' "$b"
-  assertEquals '|
-  wiz
-  boom' "$c"
-}
-
-testStandardLoop() {
-    local E a b res
-
-    ## Here everything is normal: 4 values, that will be paired
-    ## in key/values.
-    cat >test.yml <<EOL
- yay
- wiz
- hop
- pow
-EOL
-
-    res=""
-    while read-0-err E a b; do
-        res+="$a: $b;"
-    done < <(p-err ./yq -0 '.[]' test.yml)
-
-    assertEquals "0" "$E"                     ## errorlevel of internal command
-    assertEquals "yay: wiz;hop: pow;" "$res"  ## expected result
-}
-
-testStandardLoopWithoutEnoughValues() {
-    local E a b res
-
-    ## Here 5 values, there will be a missing value when reading
-    ## pairs of value.
-    cat >test.yml <<EOL
- yay
- wiz
- hop
- pow
- kwak
-EOL
-
-    res=""
-    ## The loop will succeed 2 times then fail
-    while read-0-err E a b; do
-        res+="$a: $b;"
-    done < <(p-err ./yq -0 '.[]' test.yml)
-
-    assertEquals "not-enough-values" "$E"     ## Not enough value error
-    assertEquals "yay: wiz;hop: pow;" "$res"  ## the 2 full key/value pairs
-
-}
-
-testStandardLoopWithInternalCmdError() {
-    local E a b res
-
-    ## Note the third value contains a NUL char !
-    cat >test.yml <<EOL
- yay
- wiz
- "foo\0bar"
- hop
- pow
-EOL
-
-    res=""
-    ## It should be only upon the second pass in the loop that
-    ## read-0-err will catch the fact that there is an error !
-    while read-0-err E a b; do
-        res+="$a: $b;"
-    done < <(p-err ./yq -0 '.[]' test.yml)
-    assertEquals "1" "$E"            ## Internal command errorlevel (from `./yq`)
-    assertEquals "yay: wiz;" "$res"  ## first 2 values were ok at least
-
-}
-
-testStandardLoopNotEnoughErrorEatsCmdError() {
-    local E a b res
-
-    ## Because of possible edge cases where the internal errorlevel
-    ## reported by `p-err` in the standard output might be mangled
-    ## with the unfinished record, `read-0-err E ...` will NOT report
-    ## the internal command error in the variable E and instead will
-    ## store the value 'not-enough-values'. In real world, anyway, you
-    ## will want to react the same if the internal command failed
-    ## and/or you didn't get as much values as expected while
-    ## reading. Keep in mind also that standard error is not
-    ## swallowed, so you can read reports from the inner command AND
-    ## from `read-0-err`.
-
-    ## Here, note that the fourth value contains a NUL char !
-    cat >test.yml <<EOL
- yay
- wiz
- hop
- "foo\0bar"
- pow
-EOL
-
-    res=""
-    ## It should be only upon the second loop that read-0-err will catch
-    ## the fact that there are not enough data to fill the requested variables
-    while read-0-err E a b; do
-        res+="$a: $b;"
-    done < <(p-err ./yq -0 '.[]' test.yml)
-    assertEquals "not-enough-values" "$E"          ## Not enough values error eats internal error !
-    assertEquals "yay: wiz;" "$res"  ## first 2 values were ok at least
-}
-
-
-source ./scripts/shunit2
@@ -48,55 +48,6 @@ EOM
  assertEquals "$expected" "$X"
 }

-testOutputYamlRawDefault() {
-  cat >test.yml <<EOL
-a: "cat"
-EOL
-
-  X=$(./yq e  '.a' test.yml)
-  assertEquals "cat" "$X"
-
-  X=$(./yq ea '.a' test.yml)
-  assertEquals "cat" "$X"
-}
-
-testOutputYamlRawOff() {
-  cat >test.yml <<EOL
-a: "cat"
-EOL
-
-  X=$(./yq e -r=false '.a' test.yml)
-  assertEquals "\"cat\"" "$X"
-
-  X=$(./yq ea -r=false '.a' test.yml)
-  assertEquals "\"cat\"" "$X"
-}
-
-testOutputJsonRaw() {
-  cat >test.yml <<EOL
-a: cat
-EOL
-
-  X=$(./yq e -r --output-format=json '.a' test.yml)
-  assertEquals "cat" "$X"
-
-  X=$(./yq ea -r --output-format=json '.a' test.yml)
-  assertEquals "cat" "$X"
-}
-
-testOutputJsonDefault() {
-  cat >test.yml <<EOL
-a: cat
-EOL
-
-  X=$(./yq e --output-format=json '.a' test.yml)
-  assertEquals "\"cat\"" "$X"
-
-  X=$(./yq ea --output-format=json '.a' test.yml)
-  assertEquals "\"cat\"" "$X"
-}
-
-
 testOutputJsonShort() {
  cat >test.yml <<EOL
 a: {b: ["cat"]}
@@ -121,11 +72,11 @@ EOM

 testOutputProperties() {
  cat >test.yml <<EOL
-a: {b: {c: ["cat cat"]}}
+a: {b: {c: ["cat"]}}
 EOL

  read -r -d '' expected << EOM
-a.b.c.0 = cat cat
+a.b.c.0 = cat
 EOM

  X=$(./yq e --output-format=props test.yml)
@@ -135,30 +86,13 @@ EOM
  assertEquals "$expected" "$X"
 }

-testOutputPropertiesDontUnwrap() {
-  cat >test.yml <<EOL
-a: {b: {c: ["cat cat"]}}
-EOL
-
-  read -r -d '' expected << EOM
-a.b.c.0 = "cat cat"
-EOM
-
-  X=$(./yq e -r=false --output-format=props test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -r=false --output-format=props test.yml)
-  assertEquals "$expected" "$X"
-}
-
-
 testOutputPropertiesShort() {
  cat >test.yml <<EOL
-a: {b: {c: ["cat cat"]}}
+a: {b: {c: ["cat"]}}
 EOL

  read -r -d '' expected << EOM
-a.b.c.0 = cat cat
+a.b.c.0 = cat
 EOM

  X=$(./yq e -o=p test.yml)
@@ -252,7 +186,7 @@ EOM

 testOutputXmComplex() {
  cat >test.yml <<EOL
-a: {b: {c: ["cat", "dog"], +@f: meow}}
+a: {b: {c: ["cat", "dog"], +f: meow}}
 EOL

  read -r -d '' expected << EOM
@@ -1,15 +1,11 @@
 package cmd

-var unwrapScalarFlag = newUnwrapFlag()
-
-var unwrapScalar = false
+var unwrapScalar = true

 var writeInplace = false
 var outputToJSON = false
-
-var outputFormat = ""
-
-var inputFormat = ""
+var outputFormat = "yaml"
+var inputFormat = "yaml"

 var exitStatus = false
 var forceColor = false
@@ -18,7 +14,6 @@ var colorsEnabled = false
 var indent = 2
 var noDocSeparators = false
 var nullInput = false
-var nulSepOutput = false
 var verbose = false
 var version = false
 var prettyPrint = false
@@ -13,7 +13,7 @@ func createEvaluateAllCommand() *cobra.Command {
 		Aliases: []string{"ea"},
 		Short:   "Loads _all_ yaml documents of _all_ yaml files and runs expression once",
 		Example: `
-# Merge f2.yml into f1.yml (in place)
+# Merge f2.yml into f1.yml (inplace)
 yq eval-all --inplace 'select(fileIndex == 0) * select(fileIndex == 1)' f1.yml f2.yml
 ## the same command and expression using shortened names:
 yq ea -i 'select(fi == 0) * select(fi == 1)' f1.yml f2.yml
@@ -84,15 +84,9 @@ func evaluateAll(cmd *cobra.Command, args []string) (cmdError error) {
 	if err != nil {
 		return err
 	}
-	encoder, err := configureEncoder()
-	if err != nil {
-		return err
-	}
+	encoder := configureEncoder(format)

 	printer := yqlib.NewPrinter(encoder, printerWriter)
-	if nulSepOutput {
-		printer.SetNulSepOutput(true)
-	}

 	if frontMatter != "" {
 		frontMatterHandler := yqlib.NewFrontMatterHandler(args[0])
@@ -28,7 +28,7 @@ cat file2.yml | yq e '.a.b' file1.yml - file3.yml
 ## Note that editing an empty file does not work.
 yq e -n '.a.b.c = "cat"' 

-# Update a file in place
+# Update a file inplace
 yq e '.a.b = "cool"' -i file.yaml 
 `,
 		Long: `yq is a portable command-line YAML processor (https://github.com/mikefarah/yq/) 
@@ -93,15 +93,9 @@ func evaluateSequence(cmd *cobra.Command, args []string) (cmdError error) {
 	if err != nil {
 		return err
 	}
-	encoder, err := configureEncoder()
-	if err != nil {
-		return err
-	}
+	encoder := configureEncoder(format)

 	printer := yqlib.NewPrinter(encoder, printerWriter)
-	if nulSepOutput {
-		printer.SetNulSepOutput(true)
-	}

 	decoder, err := configureDecoder(false)
 	if err != nil {
@@ -35,7 +35,7 @@ yq -P sample.json
 			return evaluateSequence(cmd, args)

 		},
-		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
+		PersistentPreRun: func(cmd *cobra.Command, args []string) {
 			cmd.SetOut(cmd.OutOrStdout())

 			var format = logging.MustStringFormatter(
@@ -52,8 +52,18 @@ yq -P sample.json

 			logging.SetBackend(backend)
 			yqlib.InitExpressionParser()
+			if (inputFormat == "x" || inputFormat == "xml") &&
+				outputFormat != "x" && outputFormat != "xml" &&
+				yqlib.ConfiguredXMLPreferences.AttributePrefix == "+" {
+				yqlib.GetLogger().Warning("The default xml-attribute-prefix will change in the v4.30 to `+@` to avoid " +
+					"naming conflicts with the default content name, directive name and proc inst prefix. If you need to keep " +
+					"`+` please set that value explicityly with --xml-attribute-prefix.")
+			}

-			return nil
+			//copy preference form global setting
+			yqlib.ConfiguredYamlPreferences.UnwrapScalar = unwrapScalar
+
+			yqlib.ConfiguredYamlPreferences.PrintDocSeparators = !noDocSeparators
 		},
 	}

@@ -65,34 +75,26 @@ yq -P sample.json
 		panic(err)
 	}

-	rootCmd.PersistentFlags().StringVarP(&outputFormat, "output-format", "o", "auto", "[auto|a|yaml|y|json|j|props|p|xml|x|tsv|t|csv|c] output format type.")
-	rootCmd.PersistentFlags().StringVarP(&inputFormat, "input-format", "p", "auto", "[auto|a|yaml|y|props|p|xml|x|tsv|t|csv|c|toml] parse format for input. Note that json is a subset of yaml.")
+	rootCmd.PersistentFlags().StringVarP(&outputFormat, "output-format", "o", "yaml", "[yaml|y|json|j|props|p|xml|x] output format type.")
+	rootCmd.PersistentFlags().StringVarP(&inputFormat, "input-format", "p", "yaml", "[yaml|y|props|p|xml|x] parse format for input. Note that json is a subset of yaml.")

-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.AttributePrefix, "xml-attribute-prefix", yqlib.ConfiguredXMLPreferences.AttributePrefix, "prefix for xml attributes")
-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.ContentName, "xml-content-name", yqlib.ConfiguredXMLPreferences.ContentName, "name for xml content (if no attribute name is present).")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.StrictMode, "xml-strict-mode", yqlib.ConfiguredXMLPreferences.StrictMode, "enables strict parsing of XML. See https://pkg.go.dev/encoding/xml for more details.")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.KeepNamespace, "xml-keep-namespace", yqlib.ConfiguredXMLPreferences.KeepNamespace, "enables keeping namespace after parsing attributes")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.UseRawToken, "xml-raw-token", yqlib.ConfiguredXMLPreferences.UseRawToken, "enables using RawToken method instead Token. Commonly disables namespace translations. See https://pkg.go.dev/encoding/xml#Decoder.RawToken for details.")
-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.ProcInstPrefix, "xml-proc-inst-prefix", yqlib.ConfiguredXMLPreferences.ProcInstPrefix, "prefix for xml processing instructions (e.g. <?xml version=\"1\"?>)")
-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.DirectiveName, "xml-directive-name", yqlib.ConfiguredXMLPreferences.DirectiveName, "name for xml directives (e.g. <!DOCTYPE thing cat>)")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.SkipProcInst, "xml-skip-proc-inst", yqlib.ConfiguredXMLPreferences.SkipProcInst, "skip over process instructions (e.g. <?xml version=\"1\"?>)")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.SkipDirectives, "xml-skip-directives", yqlib.ConfiguredXMLPreferences.SkipDirectives, "skip over directives (e.g. <!DOCTYPE thing cat>)")
-
-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredLuaPreferences.DocPrefix, "lua-prefix", yqlib.ConfiguredLuaPreferences.DocPrefix, "prefix")
-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredLuaPreferences.DocSuffix, "lua-suffix", yqlib.ConfiguredLuaPreferences.DocSuffix, "suffix")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredLuaPreferences.UnquotedKeys, "lua-unquoted", yqlib.ConfiguredLuaPreferences.UnquotedKeys, "output unquoted string keys (e.g. {foo=\"bar\"})")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredLuaPreferences.Globals, "lua-globals", yqlib.ConfiguredLuaPreferences.Globals, "output keys as top-level global variables")
+	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.AttributePrefix, "xml-attribute-prefix", "+", "prefix for xml attributes")
+	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.ContentName, "xml-content-name", "+content", "name for xml content (if no attribute name is present).")
+	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.StrictMode, "xml-strict-mode", false, "enables strict parsing of XML. See https://pkg.go.dev/encoding/xml for more details.")
+	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.KeepNamespace, "xml-keep-namespace", true, "enables keeping namespace after parsing attributes")
+	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.UseRawToken, "xml-raw-token", true, "enables using RawToken method instead Token. Commonly disables namespace translations. See https://pkg.go.dev/encoding/xml#Decoder.RawToken for details.")
+	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.ProcInstPrefix, "xml-proc-inst-prefix", "+p_", "prefix for xml processing instructions (e.g. <?xml version=\"1\"?>)")
+	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.DirectiveName, "xml-directive-name", "+directive", "name for xml directives (e.g. <!DOCTYPE thing cat>)")
+	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.SkipProcInst, "xml-skip-proc-inst", false, "skip over process instructions (e.g. <?xml version=\"1\"?>)")
+	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.SkipDirectives, "xml-skip-directives", false, "skip over directives (e.g. <!DOCTYPE thing cat>)")

 	rootCmd.PersistentFlags().BoolVarP(&nullInput, "null-input", "n", false, "Don't read input, simply evaluate the expression given. Useful for creating docs from scratch.")
 	rootCmd.PersistentFlags().BoolVarP(&noDocSeparators, "no-doc", "N", false, "Don't print document separators (---)")

 	rootCmd.PersistentFlags().IntVarP(&indent, "indent", "I", 2, "sets indent level for output")
 	rootCmd.Flags().BoolVarP(&version, "version", "V", false, "Print version information and quit")
-	rootCmd.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the file in place of first file given.")
-	rootCmd.PersistentFlags().VarP(unwrapScalarFlag, "unwrapScalar", "r", "unwrap scalar, print the value with no quotes, colors or comments. Defaults to true for yaml")
-	rootCmd.PersistentFlags().Lookup("unwrapScalar").NoOptDefVal = "true"
-	rootCmd.PersistentFlags().BoolVarP(&nulSepOutput, "nul-output", "0", false, "Use NUL char to separate values. If unwrap scalar is also set, fail if unwrapped scalar contains NUL char.")
-
+	rootCmd.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the file inplace of first file given.")
+	rootCmd.PersistentFlags().BoolVarP(&unwrapScalar, "unwrapScalar", "r", true, "unwrap scalar, print the value with no quotes, colors or comments")
 	rootCmd.PersistentFlags().BoolVarP(&prettyPrint, "prettyPrint", "P", false, "pretty print, shorthand for '... style = \"\"'")
 	rootCmd.PersistentFlags().BoolVarP(&exitStatus, "exit-status", "e", false, "set exit status if there are no matches or null or false is returned")

@@ -1,46 +0,0 @@
-package cmd
-
-import (
-	"strconv"
-
-	"github.com/spf13/pflag"
-)
-
-type boolFlag interface {
-	pflag.Value
-	IsExplicitlySet() bool
-	IsSet() bool
-}
-
-type unwrapScalarFlagStrc struct {
-	explicitlySet bool
-	value         bool
-}
-
-func newUnwrapFlag() boolFlag {
-	return &unwrapScalarFlagStrc{value: true}
-}
-
-func (f *unwrapScalarFlagStrc) IsExplicitlySet() bool {
-	return f.explicitlySet
-}
-
-func (f *unwrapScalarFlagStrc) IsSet() bool {
-	return f.value
-}
-
-func (f *unwrapScalarFlagStrc) String() string {
-	return strconv.FormatBool(f.value)
-}
-
-func (f *unwrapScalarFlagStrc) Set(value string) error {
-
-	v, err := strconv.ParseBool(value)
-	f.value = v
-	f.explicitlySet = true
-	return err
-}
-
-func (*unwrapScalarFlagStrc) Type() string {
-	return "bool"
-}
@@ -10,10 +10,6 @@ import (
 	"gopkg.in/op/go-logging.v1"
 )

-func isAutomaticOutputFormat() bool {
-	return outputFormat == "" || outputFormat == "auto" || outputFormat == "a"
-}
-
 func initCommand(cmd *cobra.Command, args []string) (string, []string, error) {
 	cmd.SilenceUsage = true

@@ -42,7 +38,7 @@ func initCommand(cmd *cobra.Command, args []string) (string, []string, error) {
 	}

 	if writeInplace && (len(args) == 0 || args[0] == "-") {
-		return "", nil, fmt.Errorf("write in place flag only applicable when giving an expression and at least one file")
+		return "", nil, fmt.Errorf("write inplace flag only applicable when giving an expression and at least one file")
 	}

 	if frontMatter != "" && len(args) == 0 {
@@ -50,69 +46,13 @@ func initCommand(cmd *cobra.Command, args []string) (string, []string, error) {
 	}

 	if writeInplace && splitFileExp != "" {
-		return "", nil, fmt.Errorf("write in place cannot be used with split file")
+		return "", nil, fmt.Errorf("write inplace cannot be used with split file")
 	}

 	if nullInput && len(args) > 0 {
 		return "", nil, fmt.Errorf("cannot pass files in when using null-input flag")
 	}

-	inputFilename := ""
-	if len(args) > 0 {
-		inputFilename = args[0]
-	}
-	if inputFormat == "" || inputFormat == "auto" || inputFormat == "a" {
-
-		inputFormat = yqlib.FormatFromFilename(inputFilename)
-
-		_, err := yqlib.InputFormatFromString(inputFormat)
-		if err != nil {
-			// unknown file type, default to yaml
-			yqlib.GetLogger().Debug("Unknown file format extension '%v', defaulting to yaml", inputFormat)
-			inputFormat = "yaml"
-			if isAutomaticOutputFormat() {
-				outputFormat = "yaml"
-			}
-		} else if isAutomaticOutputFormat() {
-			// automatic input worked, we can do it for output too unless specified
-			if inputFormat == "json" {
-				yqlib.GetLogger().Warning("JSON file output is now JSON by default (instead of yaml). Use '-oy' or '--output-format=yaml' for yaml output")
-			}
-			outputFormat = inputFormat
-		}
-	} else if isAutomaticOutputFormat() {
-		// backwards compatibility -
-		// before this was introduced, `yq -pcsv things.csv`
-		// would produce *yaml* output.
-		//
-		outputFormat = yqlib.FormatFromFilename(inputFilename)
-		if inputFilename != "-" {
-			yqlib.GetLogger().Warning("yq default output is now 'auto' (based on the filename extension). Normally yq would output '%v', but for backwards compatibility 'yaml' has been set. Please use -oy to specify yaml, or drop the -p flag.", outputFormat)
-		}
-		outputFormat = "yaml"
-	}
-
-	outputFormatType, err := yqlib.OutputFormatFromString(outputFormat)
-
-	if err != nil {
-		return "", nil, err
-	}
-	yqlib.GetLogger().Debug("Using input format %v", inputFormat)
-	yqlib.GetLogger().Debug("Using output format %v", outputFormat)
-
-	if outputFormatType == yqlib.YamlOutputFormat ||
-		outputFormatType == yqlib.PropsOutputFormat {
-		unwrapScalar = true
-	}
-	if unwrapScalarFlag.IsExplicitlySet() {
-		unwrapScalar = unwrapScalarFlag.IsSet()
-	}
-
-	//copy preference form global setting
-	yqlib.ConfiguredYamlPreferences.UnwrapScalar = unwrapScalar
-
-	yqlib.ConfiguredYamlPreferences.PrintDocSeparators = !noDocSeparators
-
 	return expression, args, nil
 }

@@ -121,15 +61,7 @@ func configureDecoder(evaluateTogether bool) (yqlib.Decoder, error) {
 	if err != nil {
 		return nil, err
 	}
-	yqlibDecoder, err := createDecoder(yqlibInputFormat, evaluateTogether)
-	if yqlibDecoder == nil {
-		return nil, fmt.Errorf("no support for %s input format", inputFormat)
-	}
-	return yqlibDecoder, err
-}
-
-func createDecoder(format yqlib.InputFormat, evaluateTogether bool) (yqlib.Decoder, error) {
-	switch format {
+	switch yqlibInputFormat {
 	case yqlib.XMLInputFormat:
 		return yqlib.NewXMLDecoder(yqlib.ConfiguredXMLPreferences), nil
 	case yqlib.PropertiesInputFormat:
@@ -140,14 +72,10 @@ func createDecoder(format yqlib.InputFormat, evaluateTogether bool) (yqlib.Decod
 		return yqlib.NewCSVObjectDecoder(','), nil
 	case yqlib.TSVObjectInputFormat:
 		return yqlib.NewCSVObjectDecoder('\t'), nil
-	case yqlib.TomlInputFormat:
-		return yqlib.NewTomlDecoder(), nil
-	case yqlib.YamlInputFormat:
-		prefs := yqlib.ConfiguredYamlPreferences
-		prefs.EvaluateTogether = evaluateTogether
-		return yqlib.NewYamlDecoder(prefs), nil
 	}
-	return nil, fmt.Errorf("invalid decoder: %v", format)
+	prefs := yqlib.ConfiguredYamlPreferences
+	prefs.EvaluateTogether = evaluateTogether
+	return yqlib.NewYamlDecoder(prefs), nil
 }

 func configurePrinterWriter(format yqlib.PrinterOutputFormat, out io.Writer) (yqlib.PrinterWriter, error) {
@@ -167,40 +95,22 @@ func configurePrinterWriter(format yqlib.PrinterOutputFormat, out io.Writer) (yq
 	return printerWriter, nil
 }

-func configureEncoder() (yqlib.Encoder, error) {
-	yqlibOutputFormat, err := yqlib.OutputFormatFromString(outputFormat)
-	if err != nil {
-		return nil, err
-	}
-	yqlibEncoder, err := createEncoder(yqlibOutputFormat)
-	if yqlibEncoder == nil {
-		return nil, fmt.Errorf("no support for %s output format", outputFormat)
-	}
-	return yqlibEncoder, err
-}
-
-func createEncoder(format yqlib.PrinterOutputFormat) (yqlib.Encoder, error) {
+func configureEncoder(format yqlib.PrinterOutputFormat) yqlib.Encoder {
 	switch format {
 	case yqlib.JSONOutputFormat:
-		return yqlib.NewJSONEncoder(indent, colorsEnabled, unwrapScalar), nil
+		return yqlib.NewJSONEncoder(indent, colorsEnabled)
 	case yqlib.PropsOutputFormat:
-		return yqlib.NewPropertiesEncoder(unwrapScalar), nil
+		return yqlib.NewPropertiesEncoder(unwrapScalar)
 	case yqlib.CSVOutputFormat:
-		return yqlib.NewCsvEncoder(','), nil
+		return yqlib.NewCsvEncoder(',')
 	case yqlib.TSVOutputFormat:
-		return yqlib.NewCsvEncoder('\t'), nil
+		return yqlib.NewCsvEncoder('\t')
 	case yqlib.YamlOutputFormat:
-		return yqlib.NewYamlEncoder(indent, colorsEnabled, yqlib.ConfiguredYamlPreferences), nil
+		return yqlib.NewYamlEncoder(indent, colorsEnabled, yqlib.ConfiguredYamlPreferences)
 	case yqlib.XMLOutputFormat:
-		return yqlib.NewXMLEncoder(indent, yqlib.ConfiguredXMLPreferences), nil
-	case yqlib.TomlOutputFormat:
-		return yqlib.NewTomlEncoder(), nil
-	case yqlib.ShellVariablesOutputFormat:
-		return yqlib.NewShellVariablesEncoder(), nil
-	case yqlib.LuaOutputFormat:
-		return yqlib.NewLuaEncoder(yqlib.ConfiguredLuaPreferences), nil
+		return yqlib.NewXMLEncoder(indent, yqlib.ConfiguredXMLPreferences)
 	}
-	return nil, fmt.Errorf("invalid encoder: %v", format)
+	panic("invalid encoder")
 }

 // this is a hack to enable backwards compatibility with githubactions (which pipe /dev/null into everything)
@@ -11,7 +11,7 @@ var (
 	GitDescribe string

 	// Version is main version number that is being run at the moment.
-	Version = "v4.35.2"
+	Version = "4.28.2"

 	// VersionPrerelease is a pre-release marker for the version. If this is "" (empty string)
 	// then it means that it is a final release. Otherwise, this is a pre-release
@@ -1,14 +0,0 @@
---
-$schema: https://raw.githubusercontent.com/streetsidesoftware/cspell/main/cspell.schema.json
-version: '0.2'
-language: en-GB
-dictionaryDefinitions:
-  - name: project-words
-    path: './project-words.txt'
-    addWords: true
-dictionaries:
-  - project-words
-ignorePaths:
-  - 'vendor'
-  - 'bin'
-  - '/project-words.txt'
@@ -103,7 +103,7 @@ yq (4.16.2) focal; urgency=medium
  * Improved extract-checksum.sh
  * Bump github.com/spf13/cobra from 1.2.1 to 1.3.0 (#1039)
  * enable more linters (#1043)
-  * Bump Golang compiler #1037
+  * Bump golang compiler #1037

 -- Roberto Mier Escandon <rmescandon@gmail.com>  Tue, 21 Dec 2021 09:41:44 +0000

@@ -127,7 +127,7 @@ yq (4.9.6) focal; urgency=medium

  * Added darwin/arm64 build, thanks @alecthomas
  * Incremented docker alpine base version, thanks @da6d6i7-bronga
-  * Bug fix: multiline expression
+  * Bug fix: multine expression
  * Bug fix: special character

 -- Roberto Mier Escandon <rmescandon@gmail.com>  Tue, 29 Jun 2021 21:32:14 +0200
@@ -1,2 +1,11 @@
- [cat, dog, frog, cow]
- [apple, banana, grape, mango]
+---
+- become: true
+  gather_facts: false
+  hosts: lalaland
+  name: "Apply smth"
+  roles:
+    - lala
+    - land
+  serial: 1
+- become: false
+  gather_facts: true
@@ -1 +1,5 @@
-["foobar", "foobaz", "blarp"]
+volumes:
+  beehive-conf:
+    driver: local
+services:
+  - beehive
@@ -1 +1,7 @@
-<cat>3</cat>
+<?xml version="1.0"?>
+<!DOCTYPE config SYSTEM "/etc/iwatch/iwatch.dtd" >
+<apple>
+<?coolioo version="1.0"?>
+<!DOCTYPE config SYSTEM "/etc/iwatch/iwatch.dtd" >
+<b>things</b>
+</apple>
@@ -1,26 +0,0 @@
-
-
-# This is a TOML document
-
-title = "TOML Example"
-
-[owner]
-name = "Tom Preston-Werner"
-dob = 1979-05-27T07:32:00-08:00
-
-[database]
-enabled = true
-ports = [ 8000, 8001, 8002 ]
-data = [ ["delta", "phi"], [3.14] ]
-temp_targets = { cpu = 79.5, case = 72.0 }
-
-[servers]
-
-[servers.alpha]
-ip = "10.0.0.1"
-role = "frontend"
-
-[servers.beta]
-ip = "10.0.0.2"
-role = "backend"
-
@@ -1,3 +1,3 @@
 name,numberOfCats,likesApples,height
-,1,true,168.8
+Gary,1,true,168.8
 Samantha's Rabbit,2,false,-188.8
@@ -1,4 +0,0 @@
---
-# comment
-# about things
-a: cat
@@ -1,32 +1,31 @@
 module github.com/mikefarah/yq/v4

 require (
-	github.com/a8m/envsubst v1.4.2
-	github.com/alecthomas/participle/v2 v2.1.0
-	github.com/alecthomas/repr v0.2.0
+	github.com/a8m/envsubst v1.3.0
+	github.com/alecthomas/participle/v2 v2.0.0-beta.5
+	github.com/alecthomas/repr v0.1.1
 	github.com/dimchansky/utfbom v1.1.1
 	github.com/elliotchance/orderedmap v1.5.0
-	github.com/fatih/color v1.15.0
-	github.com/goccy/go-json v0.10.2
-	github.com/goccy/go-yaml v1.11.2
-	github.com/jinzhu/copier v0.4.0
-	github.com/magiconair/properties v1.8.7
-	github.com/pelletier/go-toml/v2 v2.1.0
+	github.com/fatih/color v1.13.0
+	github.com/goccy/go-json v0.9.11
+	github.com/goccy/go-yaml v1.9.5
+	github.com/jinzhu/copier v0.3.5
+	github.com/magiconair/properties v1.8.6
 	github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e
-	github.com/spf13/cobra v1.7.0
-	github.com/spf13/pflag v1.0.5
-	golang.org/x/net v0.15.0
-	golang.org/x/text v0.13.0
+	github.com/spf13/cobra v1.6.0
+	golang.org/x/net v0.0.0-20220708220712-1185a9018129
 	gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473
 	gopkg.in/yaml.v3 v3.0.1
 )

 require (
-	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.17 // indirect
-	golang.org/x/sys v0.12.0 // indirect
+	github.com/inconshreveable/mousetrap v1.0.1 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	golang.org/x/sys v0.0.0-20220712014510-0a85c31ab51e // indirect
+	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f // indirect
 )

-go 1.20
+go 1.19
@@ -1,68 +1,82 @@
-github.com/a8m/envsubst v1.4.2 h1:4yWIHXOLEJHQEFd4UjrWDrYeYlV7ncFWJOCBRLOZHQg=
-github.com/a8m/envsubst v1.4.2/go.mod h1:MVUTQNGQ3tsjOOtKCNd+fl8RzhsXcDvvAEzkhGtlsbY=
-github.com/alecthomas/assert/v2 v2.3.0 h1:mAsH2wmvjsuvyBvAmCtm7zFsBlb8mIHx5ySLVdDZXL0=
-github.com/alecthomas/participle/v2 v2.1.0 h1:z7dElHRrOEEq45F2TG5cbQihMtNTv8vwldytDj7Wrz4=
-github.com/alecthomas/participle/v2 v2.1.0/go.mod h1:Y1+hAs8DHPmc3YUFzqllV+eSQ9ljPTk0ZkPMtEdAx2c=
-github.com/alecthomas/repr v0.2.0 h1:HAzS41CIzNW5syS8Mf9UwXhNH1J9aix/BvDRf1Ml2Yk=
-github.com/alecthomas/repr v0.2.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
+github.com/a8m/envsubst v1.3.0 h1:GmXKmVssap0YtlU3E230W98RWtWCyIZzjtf1apWWyAg=
+github.com/a8m/envsubst v1.3.0/go.mod h1:MVUTQNGQ3tsjOOtKCNd+fl8RzhsXcDvvAEzkhGtlsbY=
+github.com/alecthomas/assert/v2 v2.0.3 h1:WKqJODfOiQG0nEJKFKzDIG3E29CN2/4zR9XGJzKIkbg=
+github.com/alecthomas/participle/v2 v2.0.0-beta.5 h1:y6dsSYVb1G5eK6mgmy+BgI3Mw35a3WghArZ/Hbebrjo=
+github.com/alecthomas/participle/v2 v2.0.0-beta.5/go.mod h1:RC764t6n4L8D8ITAJv0qdokritYSNR3wV5cVwmIEaMM=
+github.com/alecthomas/repr v0.1.1 h1:87P60cSmareLAxMc4Hro0r2RBY4ROm0dYwkJNpS4pPs=
+github.com/alecthomas/repr v0.1.1/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dimchansky/utfbom v1.1.1 h1:vV6w1AhK4VMnhBno/TPVCoK9U/LP0PkLCS9tbxHdi/U=
 github.com/dimchansky/utfbom v1.1.1/go.mod h1:SxdoEBH5qIqFocHMyGOXVAybYJdr71b1Q/j0mACtrfE=
 github.com/elliotchance/orderedmap v1.5.0 h1:1IsExUsjv5XNBD3ZdC7jkAAqLWOOKdbPTmkHx63OsBg=
 github.com/elliotchance/orderedmap v1.5.0/go.mod h1:wsDwEaX5jEoyhbs7x93zk2H/qv0zwuhg4inXhDkYqys=
-github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs=
-github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBDUSsw=
-github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
-github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
-github.com/goccy/go-yaml v1.11.2 h1:joq77SxuyIs9zzxEjgyLBugMQ9NEgTWxXfz2wVqwAaQ=
-github.com/goccy/go-yaml v1.11.2/go.mod h1:wKnAMd44+9JAAnGQpWVEgBzGt3YuTaQ4uXoHvE4m7WU=
+github.com/fatih/color v1.10.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
+github.com/fatih/color v1.13.0 h1:8LOYc1KYPPmyKMuN8QV2DNRWNbLo6LZ0iLs8+mlH53w=
+github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
+github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
+github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
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 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473 h1:6D+BvnJ/j6e222UW8s2qTSe3wGBtvo0MbVQG/c5k8RE=
 gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473/go.mod h1:N1eN2tsCx0Ydtgjl4cqmbRCsY4/+z4cYDeqwZTk6zog=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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@@ -29,7 +29,7 @@ It pipes the current, lets call it 'root' context through the `lhs` expression o
 cat
 ```

-Side note: this node holds not only its value 'cat', but comments and metadata too, including path and parent information.
+Sidenote: 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

@@ -111,7 +111,7 @@ func (n *CandidateNode) createChildPath(path interface{}) []interface{} {
 		return newPath
 	}

-	//don't use append as they may actually modify the path of the original node!
+	//don't use append as they may actually modify the path of the orignal node!
 	newPath := make([]interface{}, len(n.Path)+1)
 	copy(newPath, n.Path)
 	newPath[len(n.Path)] = path
@@ -1,25 +0,0 @@
-//go:build linux
-
-package yqlib
-
-import (
-	"io/fs"
-	"os"
-	"syscall"
-)
-
-func changeOwner(info fs.FileInfo, file *os.File) error {
-	if stat, ok := info.Sys().(*syscall.Stat_t); ok {
-		uid := int(stat.Uid)
-		gid := int(stat.Gid)
-
-		err := os.Chown(file.Name(), uid, gid)
-		if err != nil {
-			// this happens with snap confinement
-			// not really a big issue as users can chown
-			// the file themselves if required.
-			log.Info("Skipping chown: %v", err)
-		}
-	}
-	return nil
-}
@@ -1,12 +0,0 @@
-//go:build !linux
-
-package yqlib
-
-import (
-	"io/fs"
-	"os"
-)
-
-func changeOwner(info fs.FileInfo, file *os.File) error {
-	return nil
-}
@@ -3,6 +3,7 @@ package yqlib
 import (
 	"fmt"
 	"strconv"
+	"time"

 	yaml "gopkg.in/yaml.v3"
 )
@@ -15,7 +16,7 @@ type compareTypePref struct {
 func compareOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
 	log.Debugf("-- compareOperator")
 	prefs := expressionNode.Operation.Preferences.(compareTypePref)
-	return crossFunction(d, context, expressionNode, compare(prefs), true)
+	return crossFunction(d, context.ReadOnlyClone(), expressionNode, compare(prefs), true)
 }

 func compare(prefs compareTypePref) func(d *dataTreeNavigator, context Context, lhs *CandidateNode, rhs *CandidateNode) (*CandidateNode, error) {
@@ -53,12 +54,12 @@ func compare(prefs compareTypePref) func(d *dataTreeNavigator, context Context,
 }

 func compareDateTime(layout string, prefs compareTypePref, lhs *yaml.Node, rhs *yaml.Node) (bool, error) {
-	lhsTime, err := parseDateTime(layout, lhs.Value)
+	lhsTime, err := time.Parse(layout, lhs.Value)
 	if err != nil {
 		return false, err
 	}

-	rhsTime, err := parseDateTime(layout, rhs.Value)
+	rhsTime, err := time.Parse(layout, rhs.Value)
 	if err != nil {
 		return false, err
 	}
@@ -79,8 +80,8 @@ func compareScalars(context Context, prefs compareTypePref, lhs *yaml.Node, rhs

 	isDateTime := lhs.Tag == "!!timestamp"
 	// if the lhs is a string, it might be a timestamp in a custom format.
-	if lhsTag == "!!str" {
-		_, err := parseDateTime(context.GetDateTimeLayout(), lhs.Value)
+	if lhsTag == "!!str" && context.GetDateTimeLayout() != time.RFC3339 {
+		_, err := time.Parse(context.GetDateTimeLayout(), lhs.Value)
 		isDateTime = err == nil
 	}
 	if isDateTime {
@@ -126,10 +127,6 @@ func compareScalars(context Context, prefs compareTypePref, lhs *yaml.Node, rhs
 			return lhs.Value > rhs.Value, nil
 		}
 		return lhs.Value < rhs.Value, nil
-	} else if lhsTag == "!!null" && rhsTag == "!!null" && prefs.OrEqual {
-		return true, nil
-	} else if lhsTag == "!!null" || rhsTag == "!!null" {
-		return false, nil
 	}

 	return false, fmt.Errorf("%v not yet supported for comparison", lhs.Tag)
@@ -14,20 +14,6 @@ var compareOperatorScenarios = []expressionScenario{
 			"D0, P[a], (!!bool)::true\n",
 		},
 	},
-	{
-		skipDoc:    true,
-		expression: "(.k | length) >= 0",
-		expected: []string{
-			"D0, P[k], (!!bool)::true\n",
-		},
-	},
-	{
-		skipDoc:    true,
-		expression: `"2022-01-30T15:53:09Z" > "2020-01-30T15:53:09Z"`,
-		expected: []string{
-			"D0, P[], (!!bool)::true\n",
-		},
-	},
 	{
 		skipDoc:    true,
 		document:   "a: 5\nb: 4",
@@ -299,28 +285,28 @@ var compareOperatorScenarios = []expressionScenario{
 		description: "Both sides are null: > is false",
 		expression:  ".a > .b",
 		expected: []string{
-			"D0, P[a], (!!bool)::false\n",
+			"D0, P[], (!!bool)::false\n",
 		},
 	},
 	{
 		skipDoc:    true,
 		expression: ".a < .b",
 		expected: []string{
-			"D0, P[a], (!!bool)::false\n",
+			"D0, P[], (!!bool)::false\n",
 		},
 	},
 	{
 		description: "Both sides are null: >= is true",
 		expression:  ".a >= .b",
 		expected: []string{
-			"D0, P[a], (!!bool)::true\n",
+			"D0, P[], (!!bool)::true\n",
 		},
 	},
 	{
 		skipDoc:    true,
 		expression: ".a <= .b",
 		expected: []string{
-			"D0, P[a], (!!bool)::true\n",
+			"D0, P[], (!!bool)::true\n",
 		},
 	},

@@ -364,7 +350,7 @@ var compareOperatorScenarios = []expressionScenario{
 		document:   `a: 5`,
 		expression: ".b <= .a",
 		expected: []string{
-			"D0, P[b], (!!bool)::false\n",
+			"D0, P[a], (!!bool)::false\n",
 		},
 	},
 	{
@@ -372,7 +358,7 @@ var compareOperatorScenarios = []expressionScenario{
 		document:   `a: 5`,
 		expression: ".b < .a",
 		expected: []string{
-			"D0, P[b], (!!bool)::false\n",
+			"D0, P[a], (!!bool)::false\n",
 		},
 	},
 }
@@ -12,9 +12,7 @@ const csvSimple = `name,numberOfCats,likesApples,height
 Gary,1,true,168.8
 Samantha's Rabbit,2,false,-188.8
 `
-const csvMissing = `name,numberOfCats,likesApples,height
-,null,,168.8
-`
+
 const expectedUpdatedSimpleCsv = `name,numberOfCats,likesApples,height
 Gary,3,true,168.8
 Samantha's Rabbit,2,false,-188.8
@@ -112,13 +110,6 @@ var csvScenarios = []formatScenario{
 		expected:       csvSimpleMissingData,
 		scenarioType:   "encode-csv",
 	},
-	{
-		description:  "decode csv missing",
-		skipDoc:      true,
-		input:        csvMissing,
-		expected:     csvMissing,
-		scenarioType: "roundtrip-csv",
-	},
 	{
 		description:    "Parse CSV into an array of objects",
 		subdescription: "First row is assumed to be the header row.",
@@ -126,14 +117,6 @@ var csvScenarios = []formatScenario{
 		expected:       expectedYamlFromCSV,
 		scenarioType:   "decode-csv-object",
 	},
-	{
-		description:  "Scalar roundtrip",
-		skipDoc:      true,
-		input:        "mike\ncat",
-		expression:   ".[0].mike",
-		expected:     "cat\n",
-		scenarioType: "roundtrip-csv",
-	},
 	{
 		description:    "Parse TSV into an array of objects",
 		subdescription: "First row is assumed to be the header row.",
@@ -153,15 +136,15 @@ var csvScenarios = []formatScenario{
 func testCSVScenario(t *testing.T, s formatScenario) {
 	switch s.scenarioType {
 	case "encode-csv":
-		test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewYamlDecoder(ConfiguredYamlPreferences), NewCsvEncoder(',')), s.description)
+		test.AssertResultWithContext(t, s.expected, processFormatScenario(s, NewYamlDecoder(ConfiguredYamlPreferences), NewCsvEncoder(',')), s.description)
 	case "encode-tsv":
-		test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewYamlDecoder(ConfiguredYamlPreferences), NewCsvEncoder('\t')), s.description)
+		test.AssertResultWithContext(t, s.expected, processFormatScenario(s, NewYamlDecoder(ConfiguredYamlPreferences), NewCsvEncoder('\t')), s.description)
 	case "decode-csv-object":
-		test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewCSVObjectDecoder(','), NewYamlEncoder(2, false, ConfiguredYamlPreferences)), s.description)
+		test.AssertResultWithContext(t, s.expected, processFormatScenario(s, NewCSVObjectDecoder(','), NewYamlEncoder(2, false, ConfiguredYamlPreferences)), s.description)
 	case "decode-tsv-object":
-		test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewCSVObjectDecoder('\t'), NewYamlEncoder(2, false, ConfiguredYamlPreferences)), s.description)
+		test.AssertResultWithContext(t, s.expected, processFormatScenario(s, NewCSVObjectDecoder('\t'), NewYamlEncoder(2, false, ConfiguredYamlPreferences)), s.description)
 	case "roundtrip-csv":
-		test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewCSVObjectDecoder(','), NewCsvEncoder(',')), s.description)
+		test.AssertResultWithContext(t, s.expected, processFormatScenario(s, NewCSVObjectDecoder(','), NewCsvEncoder(',')), s.description)
 	default:
 		panic(fmt.Sprintf("unhandled scenario type %q", s.scenarioType))
 	}
@@ -188,7 +171,7 @@ func documentCSVDecodeObjectScenario(w *bufio.Writer, s formatScenario, formatTy
 	}

 	writeOrPanic(w, fmt.Sprintf("```yaml\n%v```\n\n",
-		mustProcessFormatScenario(s, NewCSVObjectDecoder(separator), NewYamlEncoder(s.indent, false, ConfiguredYamlPreferences))),
+		processFormatScenario(s, NewCSVObjectDecoder(separator), NewYamlEncoder(s.indent, false, ConfiguredYamlPreferences))),
 	)
 }

@@ -220,7 +203,7 @@ func documentCSVEncodeScenario(w *bufio.Writer, s formatScenario, formatType str
 	}

 	writeOrPanic(w, fmt.Sprintf("```%v\n%v```\n\n", formatType,
-		mustProcessFormatScenario(s, NewYamlDecoder(ConfiguredYamlPreferences), NewCsvEncoder(separator))),
+		processFormatScenario(s, NewYamlDecoder(ConfiguredYamlPreferences), NewCsvEncoder(separator))),
 	)
 }

@@ -252,7 +235,7 @@ func documentCSVRoundTripScenario(w *bufio.Writer, s formatScenario, formatType
 	}

 	writeOrPanic(w, fmt.Sprintf("```%v\n%v```\n\n", formatType,
-		mustProcessFormatScenario(s, NewCSVObjectDecoder(separator), NewCsvEncoder(separator))),
+		processFormatScenario(s, NewCSVObjectDecoder(separator), NewCsvEncoder(separator))),
 	)
 }

@@ -4,7 +4,6 @@ import (
 	"fmt"

 	logging "gopkg.in/op/go-logging.v1"
-	yaml "gopkg.in/yaml.v3"
 )

 type DataTreeNavigator interface {
@@ -12,8 +11,6 @@ type DataTreeNavigator interface {
 	// this will process the against the given expressionNode and return
 	// a new context of matching candidates
 	GetMatchingNodes(context Context, expressionNode *ExpressionNode) (Context, error)
-
-	DeeplyAssign(context Context, path []interface{}, rhsNode *yaml.Node) error
 }

 type dataTreeNavigator struct {
@@ -23,27 +20,6 @@ func NewDataTreeNavigator() DataTreeNavigator {
 	return &dataTreeNavigator{}
 }

-func (d *dataTreeNavigator) DeeplyAssign(context Context, path []interface{}, rhsNode *yaml.Node) error {
-
-	rhsCandidateNode := &CandidateNode{
-		Path: path,
-		Node: rhsNode,
-	}
-
-	assignmentOp := &Operation{OperationType: assignOpType, Preferences: assignPreferences{}}
-
-	rhsOp := &Operation{OperationType: valueOpType, CandidateNode: rhsCandidateNode}
-
-	assignmentOpNode := &ExpressionNode{
-		Operation: assignmentOp,
-		LHS:       createTraversalTree(path, traversePreferences{}, false),
-		RHS:       &ExpressionNode{Operation: rhsOp},
-	}
-
-	_, err := d.GetMatchingNodes(context, assignmentOpNode)
-	return err
-}
-
 func (d *dataTreeNavigator) GetMatchingNodes(context Context, expressionNode *ExpressionNode) (Context, error) {
 	if expressionNode == nil {
 		log.Debugf("getMatchingNodes - nothing to do")
@@ -3,7 +3,6 @@ package yqlib
 import (
 	"fmt"
 	"io"
-	"strings"
 )

 type InputFormat uint
@@ -16,8 +15,6 @@ const (
 	JsonInputFormat
 	CSVObjectInputFormat
 	TSVObjectInputFormat
-	TomlInputFormat
-	UriInputFormat
 )

 type Decoder interface {
@@ -27,11 +24,11 @@ type Decoder interface {

 func InputFormatFromString(format string) (InputFormat, error) {
 	switch format {
-	case "yaml", "yml", "y":
+	case "yaml", "y":
 		return YamlInputFormat, nil
 	case "xml", "x":
 		return XMLInputFormat, nil
-	case "properties", "props", "p":
+	case "props", "p":
 		return PropertiesInputFormat, nil
 	case "json", "ndjson", "j":
 		return JsonInputFormat, nil
@@ -39,25 +36,7 @@ func InputFormatFromString(format string) (InputFormat, error) {
 		return CSVObjectInputFormat, nil
 	case "tsv", "t":
 		return TSVObjectInputFormat, nil
-	case "toml":
-		return TomlInputFormat, nil
 	default:
-		return 0, fmt.Errorf("unknown format '%v' please use [yaml|json|props|csv|tsv|xml|toml]", format)
+		return 0, fmt.Errorf("unknown format '%v' please use [yaml|xml|props]", format)
 	}
 }
-
-func FormatFromFilename(filename string) string {
-
-	if filename != "" {
-		GetLogger().Debugf("checking file extension '%s' for auto format detection", filename)
-		nPos := strings.LastIndex(filename, ".")
-		if nPos > -1 {
-			format := filename[nPos+1:]
-			GetLogger().Debugf("detected format '%s'", format)
-			return format
-		}
-	}
-
-	GetLogger().Debugf("using default inputFormat 'yaml'")
-	return "yaml"
-}
@@ -4,33 +4,10 @@ import (
 	"bytes"
 	"encoding/base64"
 	"io"
-	"strings"

 	yaml "gopkg.in/yaml.v3"
 )

-type base64Padder struct {
-	count uint64
-	io.Reader
-}
-
-func (c *base64Padder) pad(buf []byte) (int, error) {
-	pad := strings.Repeat("=", int(4-c.count%4))
-	n, err := strings.NewReader(pad).Read(buf)
-	c.count += uint64(n)
-	return n, err
-}
-
-func (c *base64Padder) Read(buf []byte) (int, error) {
-	n, err := c.Reader.Read(buf)
-	c.count += uint64(n)
-
-	if err == io.EOF && c.count%4 != 0 {
-		return c.pad(buf)
-	}
-	return n, err
-}
-
 type base64Decoder struct {
 	reader       io.Reader
 	finished     bool
@@ -43,7 +20,7 @@ func NewBase64Decoder() Decoder {
 }

 func (dec *base64Decoder) Init(reader io.Reader) error {
-	dec.reader = &base64Padder{Reader: reader}
+	dec.reader = reader
 	dec.readAnything = false
 	dec.finished = false
 	return nil
@@ -1,5 +1,3 @@
-//go:build !yq_nojson
-
 package yqlib

 import (
@@ -46,24 +44,13 @@ func (dec *jsonDecoder) Decode() (*CandidateNode, error) {
 }

 func (dec *jsonDecoder) convertToYamlNode(data *orderedMap) (*yaml.Node, error) {
-	if data == nil {
-		return createScalarNode(nil, "null"), nil
-	}
 	if data.kv == nil {
 		switch rawData := data.altVal.(type) {
 		case nil:
 			return createScalarNode(nil, "null"), nil
 		case float64, float32:
-			// json decoder returns ints as float.'
-			intNum := int(rawData.(float64))
-
-			// if the integer representation is the same as the original
-			// then its an int.
-			if float64(intNum) == rawData.(float64) {
-				return createScalarNode(intNum, fmt.Sprintf("%v", intNum)), nil
-			}
-
-			return createScalarNode(rawData, fmt.Sprintf("%v", rawData)), nil
+			// json decoder returns ints as float.
+			return parseSnippet(fmt.Sprintf("%v", rawData))
 		case int, int64, int32, string, bool:
 			return createScalarNode(rawData, fmt.Sprintf("%v", rawData)), nil
 		case []*orderedMap:
@@ -73,9 +60,9 @@ func (dec *jsonDecoder) convertToYamlNode(data *orderedMap) (*yaml.Node, error)
 		}
 	}

-	var yamlMap = &yaml.Node{Kind: yaml.MappingNode, Tag: "!!map"}
-	for i, keyValuePair := range data.kv {
-		yamlValue, err := dec.convertToYamlNode(&data.kv[i].V)
+	var yamlMap = &yaml.Node{Kind: yaml.MappingNode}
+	for _, keyValuePair := range data.kv {
+		yamlValue, err := dec.convertToYamlNode(&keyValuePair.V)
 		if err != nil {
 			return nil, err
 		}
@@ -87,7 +74,7 @@ func (dec *jsonDecoder) convertToYamlNode(data *orderedMap) (*yaml.Node, error)

 func (dec *jsonDecoder) parseArray(dataArray []*orderedMap) (*yaml.Node, error) {

-	var yamlMap = &yaml.Node{Kind: yaml.SequenceNode, Tag: "!!seq"}
+	var yamlMap = &yaml.Node{Kind: yaml.SequenceNode}

 	for _, value := range dataArray {
 		yamlValue, err := dec.convertToYamlNode(value)
@@ -63,7 +63,7 @@ func (dec *propertiesDecoder) applyPropertyComments(context Context, path []inte

 	rhsCandidateNode.Node.Tag = guessTagFromCustomType(rhsCandidateNode.Node)

-	rhsOp := &Operation{OperationType: referenceOpType, CandidateNode: rhsCandidateNode}
+	rhsOp := &Operation{OperationType: valueOpType, CandidateNode: rhsCandidateNode}

 	assignmentOpNode := &ExpressionNode{
 		Operation: assignmentOp,
@@ -95,7 +95,23 @@ func (dec *propertiesDecoder) applyProperty(context Context, properties *propert

 	rhsNode.Tag = guessTagFromCustomType(rhsNode)

-	return dec.d.DeeplyAssign(context, path, rhsNode)
+	rhsCandidateNode := &CandidateNode{
+		Path: path,
+		Node: rhsNode,
+	}
+
+	assignmentOp := &Operation{OperationType: assignOpType, Preferences: assignPreferences{}}
+
+	rhsOp := &Operation{OperationType: valueOpType, CandidateNode: rhsCandidateNode}
+
+	assignmentOpNode := &ExpressionNode{
+		Operation: assignmentOp,
+		LHS:       createTraversalTree(path, traversePreferences{}, false),
+		RHS:       &ExpressionNode{Operation: rhsOp},
+	}
+
+	_, err := dec.d.GetMatchingNodes(context, assignmentOpNode)
+	return err
 }

 func (dec *propertiesDecoder) Decode() (*CandidateNode, error) {
@@ -3,7 +3,6 @@ package yqlib
 import (
 	"bufio"
 	"bytes"
-	"fmt"
 	"strings"
 )

@@ -16,10 +15,10 @@ type formatScenario struct {
 	subdescription string
 	skipDoc        bool
 	scenarioType   string
-	expectedError  string
 }

-func processFormatScenario(s formatScenario, decoder Decoder, encoder Encoder) (string, error) {
+func processFormatScenario(s formatScenario, decoder Decoder, encoder Encoder) string {
+
 	var output bytes.Buffer
 	writer := bufio.NewWriter(&output)

@@ -29,7 +28,7 @@ func processFormatScenario(s formatScenario, decoder Decoder, encoder Encoder) (

 	inputs, err := readDocuments(strings.NewReader(s.input), "sample.yml", 0, decoder)
 	if err != nil {
-		return "", err
+		panic(err)
 	}

 	expression := s.expression
@@ -40,31 +39,22 @@ func processFormatScenario(s formatScenario, decoder Decoder, encoder Encoder) (
 	exp, err := getExpressionParser().ParseExpression(expression)

 	if err != nil {
-		return "", err
+		panic(err)
 	}

 	context, err := NewDataTreeNavigator().GetMatchingNodes(Context{MatchingNodes: inputs}, exp)

 	if err != nil {
-		return "", err
+		panic(err)
 	}

 	printer := NewPrinter(encoder, NewSinglePrinterWriter(writer))
 	err = printer.PrintResults(context.MatchingNodes)
 	if err != nil {
-		return "", err
+		panic(err)
 	}
 	writer.Flush()

-	return output.String(), nil
-}
-
-func mustProcessFormatScenario(s formatScenario, decoder Decoder, encoder Encoder) string {
-
-	result, err := processFormatScenario(s, decoder, encoder)
-	if err != nil {
-		panic(fmt.Errorf("Bad scenario %v: %w", s.description, err))
-	}
-	return result
+	return output.String()

 }
@@ -1,369 +0,0 @@
-//go:build !yq_notoml
-
-package yqlib
-
-import (
-	"bytes"
-	"errors"
-	"fmt"
-	"io"
-	"strconv"
-	"time"
-
-	toml "github.com/pelletier/go-toml/v2/unstable"
-	yaml "gopkg.in/yaml.v3"
-)
-
-type tomlDecoder struct {
-	parser   toml.Parser
-	finished bool
-	d        DataTreeNavigator
-	rootMap  *CandidateNode
-}
-
-func NewTomlDecoder() Decoder {
-	return &tomlDecoder{
-		finished: false,
-		d:        NewDataTreeNavigator(),
-	}
-}
-
-func (dec *tomlDecoder) Init(reader io.Reader) error {
-	dec.parser = toml.Parser{}
-	buf := new(bytes.Buffer)
-	_, err := buf.ReadFrom(reader)
-	if err != nil {
-		return err
-	}
-	dec.parser.Reset(buf.Bytes())
-	dec.rootMap = &CandidateNode{
-		Node: &yaml.Node{
-			Kind: yaml.MappingNode,
-			Tag:  "!!map",
-		}}
-	return nil
-}
-
-func (dec *tomlDecoder) getFullPath(tomlNode *toml.Node) []interface{} {
-	path := make([]interface{}, 0)
-	for {
-		path = append(path, string(tomlNode.Data))
-		tomlNode = tomlNode.Next()
-		if tomlNode == nil {
-			return path
-		}
-	}
-}
-
-func (dec *tomlDecoder) processKeyValueIntoMap(rootMap *CandidateNode, tomlNode *toml.Node) error {
-	value := tomlNode.Value()
-	path := dec.getFullPath(value.Next())
-	log.Debug("!!!processKeyValueIntoMap: %v", path)
-
-	valueNode, err := dec.decodeNode(value)
-	if err != nil {
-		return err
-	}
-	context := Context{}
-	context = context.SingleChildContext(rootMap)
-
-	return dec.d.DeeplyAssign(context, path, valueNode)
-}
-
-func (dec *tomlDecoder) decodeKeyValuesIntoMap(rootMap *CandidateNode, tomlNode *toml.Node) (bool, error) {
-	log.Debug("!! DECODE_KV_INTO_MAP -- processing first (current) entry")
-	if err := dec.processKeyValueIntoMap(rootMap, tomlNode); err != nil {
-		return false, err
-	}
-
-	for dec.parser.NextExpression() {
-		nextItem := dec.parser.Expression()
-		log.Debug("!! DECODE_KV_INTO_MAP -- next exp, its a %v", nextItem.Kind)
-
-		if nextItem.Kind == toml.KeyValue {
-			if err := dec.processKeyValueIntoMap(rootMap, nextItem); err != nil {
-				return false, err
-			}
-		} else {
-			// run out of key values
-			log.Debug("! DECODE_KV_INTO_MAP - ok we are done in decodeKeyValuesIntoMap, gota a %v", nextItem.Kind)
-			log.Debug("! DECODE_KV_INTO_MAP - processAgainstCurrentExp = true!")
-			return true, nil
-		}
-	}
-	log.Debug("! DECODE_KV_INTO_MAP - no more things to read in")
-	return false, nil
-}
-
-func (dec *tomlDecoder) createInlineTableMap(tomlNode *toml.Node) (*yaml.Node, error) {
-	content := make([]*yaml.Node, 0)
-	log.Debug("!! createInlineTableMap")
-
-	iterator := tomlNode.Children()
-	for iterator.Next() {
-		child := iterator.Node()
-		if child.Kind != toml.KeyValue {
-			return nil, fmt.Errorf("only keyvalue pairs are supported in inlinetables, got %v instead", child.Kind)
-		}
-
-		keyValues := &CandidateNode{
-			Node: &yaml.Node{
-				Kind: yaml.MappingNode,
-				Tag:  "!!map",
-			},
-		}
-
-		if err := dec.processKeyValueIntoMap(keyValues, child); err != nil {
-			return nil, err
-		}
-
-		content = append(content, keyValues.Node.Content...)
-	}
-
-	return &yaml.Node{
-		Kind:    yaml.MappingNode,
-		Tag:     "!!map",
-		Content: content,
-	}, nil
-}
-
-func (dec *tomlDecoder) createArray(tomlNode *toml.Node) (*yaml.Node, error) {
-	content := make([]*yaml.Node, 0)
-	iterator := tomlNode.Children()
-	for iterator.Next() {
-		child := iterator.Node()
-		yamlNode, err := dec.decodeNode(child)
-		if err != nil {
-			return nil, err
-		}
-		content = append(content, yamlNode)
-	}
-
-	return &yaml.Node{
-		Kind:    yaml.SequenceNode,
-		Tag:     "!!seq",
-		Content: content,
-	}, nil
-
-}
-
-func (dec *tomlDecoder) createStringScalar(tomlNode *toml.Node) (*yaml.Node, error) {
-	content := string(tomlNode.Data)
-	return createScalarNode(content, content), nil
-}
-
-func (dec *tomlDecoder) createBoolScalar(tomlNode *toml.Node) (*yaml.Node, error) {
-	content := string(tomlNode.Data)
-	return createScalarNode(content == "true", content), nil
-}
-
-func (dec *tomlDecoder) createIntegerScalar(tomlNode *toml.Node) (*yaml.Node, error) {
-	content := string(tomlNode.Data)
-	_, num, err := parseInt64(content)
-	return createScalarNode(num, content), err
-}
-
-func (dec *tomlDecoder) createDateTimeScalar(tomlNode *toml.Node) (*yaml.Node, error) {
-	content := string(tomlNode.Data)
-	val, err := parseDateTime(time.RFC3339, content)
-	return createScalarNode(val, content), err
-}
-
-func (dec *tomlDecoder) createFloatScalar(tomlNode *toml.Node) (*yaml.Node, error) {
-	content := string(tomlNode.Data)
-	num, err := strconv.ParseFloat(content, 64)
-	return createScalarNode(num, content), err
-}
-
-func (dec *tomlDecoder) decodeNode(tomlNode *toml.Node) (*yaml.Node, error) {
-	switch tomlNode.Kind {
-	case toml.Key, toml.String:
-		return dec.createStringScalar(tomlNode)
-	case toml.Bool:
-		return dec.createBoolScalar(tomlNode)
-	case toml.Integer:
-		return dec.createIntegerScalar(tomlNode)
-	case toml.DateTime:
-		return dec.createDateTimeScalar(tomlNode)
-	case toml.Float:
-		return dec.createFloatScalar(tomlNode)
-	case toml.Array:
-		return dec.createArray(tomlNode)
-	case toml.InlineTable:
-		return dec.createInlineTableMap(tomlNode)
-	default:
-		return nil, fmt.Errorf("unsupported type %v", tomlNode.Kind)
-	}
-
-}
-
-func (dec *tomlDecoder) Decode() (*CandidateNode, error) {
-	if dec.finished {
-		return nil, io.EOF
-	}
-	//
-	// toml library likes to panic
-	var deferredError error
-	defer func() { //catch or finally
-		if r := recover(); r != nil {
-			var ok bool
-			deferredError, ok = r.(error)
-			if !ok {
-				deferredError = fmt.Errorf("pkg: %v", r)
-			}
-		}
-	}()
-
-	log.Debug("ok here we go")
-	var runAgainstCurrentExp = false
-	var err error
-	for runAgainstCurrentExp || dec.parser.NextExpression() {
-
-		if runAgainstCurrentExp {
-			log.Debug("running against current exp")
-		}
-
-		currentNode := dec.parser.Expression()
-
-		log.Debug("currentNode: %v ", currentNode.Kind)
-		runAgainstCurrentExp, err = dec.processTopLevelNode(currentNode)
-		if err != nil {
-			return dec.rootMap, err
-		}
-
-	}
-
-	err = dec.parser.Error()
-	if err != nil {
-		return nil, err
-	}
-
-	// must have finished
-	dec.finished = true
-
-	if len(dec.rootMap.Node.Content) == 0 {
-		return nil, io.EOF
-	}
-
-	return &CandidateNode{
-		Node: &yaml.Node{
-			Kind:    yaml.DocumentNode,
-			Content: []*yaml.Node{dec.rootMap.Node},
-		},
-	}, deferredError
-
-}
-
-func (dec *tomlDecoder) processTopLevelNode(currentNode *toml.Node) (bool, error) {
-	var runAgainstCurrentExp bool
-	var err error
-	log.Debug("!!!!!!!!!!!!Going to process %v state is current %v", currentNode.Kind, NodeToString(dec.rootMap))
-	if currentNode.Kind == toml.Table {
-		runAgainstCurrentExp, err = dec.processTable((currentNode))
-	} else if currentNode.Kind == toml.ArrayTable {
-		runAgainstCurrentExp, err = dec.processArrayTable((currentNode))
-	} else {
-		runAgainstCurrentExp, err = dec.decodeKeyValuesIntoMap(dec.rootMap, currentNode)
-	}
-
-	log.Debug("!!!!!!!!!!!!DONE Processing state is now %v", NodeToString(dec.rootMap))
-	return runAgainstCurrentExp, err
-}
-
-func (dec *tomlDecoder) processTable(currentNode *toml.Node) (bool, error) {
-	log.Debug("!!! processing table")
-	fullPath := dec.getFullPath(currentNode.Child())
-	log.Debug("!!!fullpath: %v", fullPath)
-
-	hasValue := dec.parser.NextExpression()
-	if !hasValue {
-		return false, fmt.Errorf("error retrieving table %v value: %w", fullPath, dec.parser.Error())
-	}
-
-	tableNodeValue := &CandidateNode{
-		Node: &yaml.Node{
-			Kind: yaml.MappingNode,
-			Tag:  "!!map",
-		},
-	}
-
-	tableValue := dec.parser.Expression()
-	if tableValue.Kind != toml.KeyValue {
-		log.Debug("got an empty table, returning")
-		return true, nil
-	}
-
-	runAgainstCurrentExp, err := dec.decodeKeyValuesIntoMap(tableNodeValue, tableValue)
-	log.Debugf("table node err: %w", err)
-	if err != nil && !errors.Is(io.EOF, err) {
-		return false, err
-	}
-	c := Context{}
-
-	c = c.SingleChildContext(dec.rootMap)
-	err = dec.d.DeeplyAssign(c, fullPath, tableNodeValue.Node)
-	if err != nil {
-		return false, err
-	}
-	return runAgainstCurrentExp, nil
-}
-
-func (dec *tomlDecoder) arrayAppend(context Context, path []interface{}, rhsNode *yaml.Node) error {
-	rhsCandidateNode := &CandidateNode{
-		Path: path,
-		Node: &yaml.Node{
-			Kind:    yaml.SequenceNode,
-			Tag:     "!!seq",
-			Content: []*yaml.Node{rhsNode},
-		},
-	}
-
-	assignmentOp := &Operation{OperationType: addAssignOpType}
-
-	rhsOp := &Operation{OperationType: valueOpType, CandidateNode: rhsCandidateNode}
-
-	assignmentOpNode := &ExpressionNode{
-		Operation: assignmentOp,
-		LHS:       createTraversalTree(path, traversePreferences{}, false),
-		RHS:       &ExpressionNode{Operation: rhsOp},
-	}
-
-	_, err := dec.d.GetMatchingNodes(context, assignmentOpNode)
-	return err
-}
-
-func (dec *tomlDecoder) processArrayTable(currentNode *toml.Node) (bool, error) {
-	log.Debug("!!! processing table")
-	fullPath := dec.getFullPath(currentNode.Child())
-	log.Debug("!!!fullpath: %v", fullPath)
-
-	// need to use the array append exp to add another entry to
-	// this array: fullpath += [ thing ]
-
-	hasValue := dec.parser.NextExpression()
-	if !hasValue {
-		return false, fmt.Errorf("error retrieving table %v value: %w", fullPath, dec.parser.Error())
-	}
-
-	tableNodeValue := &CandidateNode{
-		Node: &yaml.Node{
-			Kind: yaml.MappingNode,
-			Tag:  "!!map",
-		},
-	}
-
-	tableValue := dec.parser.Expression()
-	runAgainstCurrentExp, err := dec.decodeKeyValuesIntoMap(tableNodeValue, tableValue)
-	log.Debugf("table node err: %w", err)
-	if err != nil && !errors.Is(io.EOF, err) {
-		return false, err
-	}
-	c := Context{}
-
-	c = c.SingleChildContext(dec.rootMap)
-
-	// += function
-	err = dec.arrayAppend(c, fullPath, tableNodeValue.Node)
-
-	return runAgainstCurrentExp, err
-}
@@ -1,60 +0,0 @@
-package yqlib
-
-import (
-	"bytes"
-	"io"
-	"net/url"
-
-	yaml "gopkg.in/yaml.v3"
-)
-
-type uriDecoder struct {
-	reader       io.Reader
-	finished     bool
-	readAnything bool
-}
-
-func NewUriDecoder() Decoder {
-	return &uriDecoder{finished: false}
-}
-
-func (dec *uriDecoder) Init(reader io.Reader) error {
-	dec.reader = reader
-	dec.readAnything = false
-	dec.finished = false
-	return nil
-}
-
-func (dec *uriDecoder) Decode() (*CandidateNode, error) {
-	if dec.finished {
-		return nil, io.EOF
-	}
-
-	buf := new(bytes.Buffer)
-
-	if _, err := buf.ReadFrom(dec.reader); err != nil {
-		return nil, err
-	}
-	if buf.Len() == 0 {
-		dec.finished = true
-
-		// if we've read _only_ an empty string, lets return that
-		// otherwise if we've already read some bytes, and now we get
-		// an empty string, then we are done.
-		if dec.readAnything {
-			return nil, io.EOF
-		}
-	}
-	newValue, err := url.QueryUnescape(buf.String())
-	if err != nil {
-		return nil, err
-	}
-	dec.readAnything = true
-	return &CandidateNode{
-		Node: &yaml.Node{
-			Kind:  yaml.ScalarNode,
-			Tag:   "!!str",
-			Value: newValue,
-		},
-	}, nil
-}
@@ -1,13 +1,9 @@
-//go:build !yq_noxml
-
 package yqlib

 import (
 	"encoding/xml"
 	"errors"
-	"fmt"
 	"io"
-	"regexp"
 	"strings"
 	"unicode"

@@ -49,33 +45,23 @@ func (dec *xmlDecoder) createSequence(nodes []*xmlNode) (*yaml.Node, error) {
 	return yamlNode, nil
 }

-var decoderCommentPrefix = regexp.MustCompile(`(^|\n)([[:alpha:]])`)
-
 func (dec *xmlDecoder) processComment(c string) string {
 	if c == "" {
 		return ""
 	}
-	//need to replace "cat " with "# cat"
-	// "\ncat\n" with "\n cat\n"
-	// ensure non-empty comments starting with newline have a space in front
-
-	replacement := decoderCommentPrefix.ReplaceAllString(c, "$1 $2")
-	replacement = "#" + strings.ReplaceAll(strings.TrimRight(replacement, " "), "\n", "\n#")
-	return replacement
+	return "#" + strings.TrimRight(c, " ")
 }

 func (dec *xmlDecoder) createMap(n *xmlNode) (*yaml.Node, error) {
-	log.Debug("createMap: headC: %v, lineC: %v, footC: %v", n.HeadComment, n.LineComment, n.FootComment)
+	log.Debug("createMap: headC: %v, footC: %v", n.HeadComment, n.FootComment)
 	yamlNode := &yaml.Node{Kind: yaml.MappingNode, Tag: "!!map"}

 	if len(n.Data) > 0 {
-		log.Debugf("creating content node for map: %v", dec.prefs.ContentName)
 		label := dec.prefs.ContentName
 		labelNode := createScalarNode(label, label)
 		labelNode.HeadComment = dec.processComment(n.HeadComment)
-		labelNode.LineComment = dec.processComment(n.LineComment)
 		labelNode.FootComment = dec.processComment(n.FootComment)
-		yamlNode.Content = append(yamlNode.Content, labelNode, dec.createValueNodeFromData(n.Data))
+		yamlNode.Content = append(yamlNode.Content, labelNode, createScalarNode(n.Data, n.Data))
 	}

 	for i, keyValuePair := range n.Children {
@@ -86,11 +72,10 @@ func (dec *xmlDecoder) createMap(n *xmlNode) (*yaml.Node, error) {
 		var err error

 		if i == 0 {
-			log.Debugf("head comment here")
 			labelNode.HeadComment = dec.processComment(n.HeadComment)

 		}
-		log.Debugf("label=%v, i=%v, keyValuePair.FootComment: %v", label, i, keyValuePair.FootComment)
+
 		labelNode.FootComment = dec.processComment(keyValuePair.FootComment)

 		log.Debug("len of children in %v is %v", label, len(children))
@@ -104,16 +89,8 @@ func (dec *xmlDecoder) createMap(n *xmlNode) (*yaml.Node, error) {
 			// if the value is a scalar, the head comment of the scalar needs to go on the key?
 			// add tests for <z/> as well as multiple <ds> of inputXmlWithComments > yaml
 			if len(children[0].Children) == 0 && children[0].HeadComment != "" {
-				if len(children[0].Data) > 0 {
-
-					log.Debug("scalar comment hack, currentlabel [%v]", labelNode.HeadComment)
-					labelNode.HeadComment = joinComments([]string{labelNode.HeadComment, strings.TrimSpace(children[0].HeadComment)}, "\n")
-					children[0].HeadComment = ""
-				} else {
-					// child is null, put the headComment as a linecomment for reasons
-					children[0].LineComment = children[0].HeadComment
-					children[0].HeadComment = ""
-				}
+				labelNode.HeadComment = labelNode.HeadComment + "\n" + strings.TrimSpace(children[0].HeadComment)
+				children[0].HeadComment = ""
 			}
 			valueNode, err = dec.convertToYamlNode(children[0])
 			if err != nil {
@@ -126,40 +103,17 @@ func (dec *xmlDecoder) createMap(n *xmlNode) (*yaml.Node, error) {
 	return yamlNode, nil
 }

-func (dec *xmlDecoder) createValueNodeFromData(values []string) *yaml.Node {
-	switch len(values) {
-	case 0:
-		return createScalarNode(nil, "")
-	case 1:
-		return createScalarNode(values[0], values[0])
-	default:
-		content := make([]*yaml.Node, 0)
-		for _, value := range values {
-			content = append(content, createScalarNode(value, value))
-		}
-		return &yaml.Node{
-			Kind:    yaml.SequenceNode,
-			Tag:     "!!seq",
-			Content: content,
-		}
-	}
-}
-
 func (dec *xmlDecoder) convertToYamlNode(n *xmlNode) (*yaml.Node, error) {
 	if len(n.Children) > 0 {
 		return dec.createMap(n)
 	}
-
-	scalar := dec.createValueNodeFromData(n.Data)
-
-	log.Debug("scalar (%v), headC: %v, lineC: %v, footC: %v", scalar.Tag, n.HeadComment, n.LineComment, n.FootComment)
+	scalar := createScalarNode(n.Data, n.Data)
+	if n.Data == "" {
+		scalar = createScalarNode(nil, "")
+	}
+	log.Debug("scalar headC: %v, footC: %v", n.HeadComment, n.FootComment)
 	scalar.HeadComment = dec.processComment(n.HeadComment)
 	scalar.LineComment = dec.processComment(n.LineComment)
-	if scalar.Tag == "!!seq" {
-		scalar.Content[0].HeadComment = scalar.LineComment
-		scalar.LineComment = ""
-	}
-
 	scalar.FootComment = dec.processComment(n.FootComment)

 	return scalar, nil
@@ -202,7 +156,7 @@ type xmlNode struct {
 	HeadComment string
 	FootComment string
 	LineComment string
-	Data        []string
+	Data        string
 }

 type xmlChildrenKv struct {
@@ -247,8 +201,6 @@ func (dec *xmlDecoder) decodeXML(root *xmlNode) error {
 	// That will convert the charset if the provided XML is non-UTF-8
 	xmlDec.CharsetReader = charset.NewReaderLabel

-	started := false
-
 	// Create first element from the root node
 	elem := &element{
 		parent: nil,
@@ -289,18 +241,12 @@ func (dec *xmlDecoder) decodeXML(root *xmlNode) error {
 						a.Name.Local = a.Name.Space + ":" + a.Name.Local
 					}
 				}
-				elem.n.AddChild(dec.prefs.AttributePrefix+a.Name.Local, &xmlNode{Data: []string{a.Value}})
+				elem.n.AddChild(dec.prefs.AttributePrefix+a.Name.Local, &xmlNode{Data: a.Value})
 			}
 		case xml.CharData:
-
 			// Extract XML data (if any)
-			newBit := trimNonGraphic(string(se))
-			if !started && len(newBit) > 0 {
-				return fmt.Errorf("invalid XML: Encountered chardata [%v] outside of XML node", newBit)
-			}
-
-			if len(newBit) > 0 {
-				elem.n.Data = append(elem.n.Data, newBit)
+			elem.n.Data = trimNonGraphic(string(se))
+			if elem.n.Data != "" {
 				elem.state = "chardata"
 				log.Debug("chardata [%v] for %v", elem.n.Data, elem.label)
 			}
@@ -322,22 +268,21 @@ func (dec *xmlDecoder) decodeXML(root *xmlNode) error {

 			} else if elem.state == "chardata" {
 				log.Debug("got a line comment for (%v) %v: [%v]", elem.state, elem.label, commentStr)
-				elem.n.LineComment = joinComments([]string{elem.n.LineComment, commentStr}, " ")
+				elem.n.LineComment = joinFilter([]string{elem.n.LineComment, commentStr})
 			} else {
 				log.Debug("got a head comment for (%v) %v: [%v]", elem.state, elem.label, commentStr)
-				elem.n.HeadComment = joinComments([]string{elem.n.HeadComment, commentStr}, " ")
+				elem.n.HeadComment = joinFilter([]string{elem.n.HeadComment, commentStr})
 			}

 		case xml.ProcInst:
 			if !dec.prefs.SkipProcInst {
-				elem.n.AddChild(dec.prefs.ProcInstPrefix+se.Target, &xmlNode{Data: []string{string(se.Inst)}})
+				elem.n.AddChild(dec.prefs.ProcInstPrefix+se.Target, &xmlNode{Data: string(se.Inst)})
 			}
 		case xml.Directive:
 			if !dec.prefs.SkipDirectives {
-				elem.n.AddChild(dec.prefs.DirectiveName, &xmlNode{Data: []string{string(se)}})
+				elem.n.AddChild(dec.prefs.DirectiveName, &xmlNode{Data: string(se)})
 			}
 		}
-		started = true
 	}

 	return nil
@@ -349,28 +294,22 @@ func applyFootComment(elem *element, commentStr string) {
 	if len(elem.n.Children) > 0 {
 		lastChildIndex := len(elem.n.Children) - 1
 		childKv := elem.n.Children[lastChildIndex]
-		log.Debug("got a foot comment, putting on last child for %v: [%v]", childKv.K, commentStr)
-		// if it's an array of scalars, put the foot comment on the scalar itself
-		if len(childKv.V) > 0 && len(childKv.V[0].Children) == 0 {
-			nodeToUpdate := childKv.V[len(childKv.V)-1]
-			nodeToUpdate.FootComment = joinComments([]string{nodeToUpdate.FootComment, commentStr}, " ")
-		} else {
-			childKv.FootComment = joinComments([]string{elem.n.FootComment, commentStr}, " ")
-		}
+		log.Debug("got a foot comment for %v: [%v]", childKv.K, commentStr)
+		childKv.FootComment = joinFilter([]string{elem.n.FootComment, commentStr})
 	} else {
 		log.Debug("got a foot comment for %v: [%v]", elem.label, commentStr)
-		elem.n.FootComment = joinComments([]string{elem.n.FootComment, commentStr}, " ")
+		elem.n.FootComment = joinFilter([]string{elem.n.FootComment, commentStr})
 	}
 }

-func joinComments(rawStrings []string, joinStr string) string {
+func joinFilter(rawStrings []string) string {
 	stringsToJoin := make([]string, 0)
 	for _, str := range rawStrings {
 		if str != "" {
 			stringsToJoin = append(stringsToJoin, str)
 		}
 	}
-	return strings.Join(stringsToJoin, joinStr)
+	return strings.Join(stringsToJoin, " ")
 }

 // trimNonGraphic returns a slice of the string s, with all leading and trailing
@@ -2,7 +2,6 @@ package yqlib

 import (
 	"bufio"
-	"bytes"
 	"errors"
 	"io"
 	"regexp"
@@ -13,15 +12,11 @@ import (

 type yamlDecoder struct {
 	decoder yaml.Decoder
-
-	prefs YamlPreferences
-
 	// work around of various parsing issues by yaml.v3 with document headers
+	prefs          YamlPreferences
 	leadingContent string
-	bufferRead     bytes.Buffer
-
-	readAnything bool
-	firstFile    bool
+	readAnything   bool
+	firstFile      bool
 }

 func NewYamlDecoder(prefs YamlPreferences) Decoder {
@@ -30,7 +25,6 @@ func NewYamlDecoder(prefs YamlPreferences) Decoder {

 func (dec *yamlDecoder) processReadStream(reader *bufio.Reader) (io.Reader, string, error) {
 	var commentLineRegEx = regexp.MustCompile(`^\s*#`)
-	var yamlDirectiveLineRegEx = regexp.MustCompile(`^\s*%YA`)
 	var sb strings.Builder
 	for {
 		peekBytes, err := reader.Peek(3)
@@ -39,23 +33,15 @@ func (dec *yamlDecoder) processReadStream(reader *bufio.Reader) (io.Reader, stri
 			return reader, sb.String(), nil
 		} else if err != nil {
 			return reader, sb.String(), err
-		} else if string(peekBytes[0]) == "\n" {
-			_, err := reader.ReadString('\n')
-			sb.WriteString("\n")
-			if errors.Is(err, io.EOF) {
-				return reader, sb.String(), nil
-			} else if err != nil {
-				return reader, sb.String(), err
-			}
 		} else if string(peekBytes) == "---" {
 			_, err := reader.ReadString('\n')
-			sb.WriteString("$yqDocSeparator$\n")
+			sb.WriteString("$yqDocSeperator$\n")
 			if errors.Is(err, io.EOF) {
 				return reader, sb.String(), nil
 			} else if err != nil {
 				return reader, sb.String(), err
 			}
-		} else if commentLineRegEx.MatchString(string(peekBytes)) || yamlDirectiveLineRegEx.MatchString(string(peekBytes)) {
+		} else if commentLineRegEx.MatchString(string(peekBytes)) {
 			line, err := reader.ReadString('\n')
 			sb.WriteString(line)
 			if errors.Is(err, io.EOF) {
@@ -72,7 +58,6 @@ func (dec *yamlDecoder) processReadStream(reader *bufio.Reader) (io.Reader, stri
 func (dec *yamlDecoder) Init(reader io.Reader) error {
 	readerToUse := reader
 	leadingContent := ""
-	dec.bufferRead = bytes.Buffer{}
 	var err error
 	// if we 'evaluating together' - we only process the leading content
 	// of the first file - this ensures comments from subsequent files are
@@ -82,12 +67,6 @@ func (dec *yamlDecoder) Init(reader io.Reader) error {
 		if err != nil {
 			return err
 		}
-	} else if !dec.prefs.LeadingContentPreProcessing {
-		// if we're not process the leading content
-		// keep a copy of what we've read. This is incase its a
-		// doc with only comments - the decoder will return nothing
-		// then we can read the comments from bufferRead
-		readerToUse = io.TeeReader(reader, &dec.bufferRead)
 	}
 	dec.leadingContent = leadingContent
 	dec.readAnything = false
@@ -98,20 +77,13 @@ func (dec *yamlDecoder) Init(reader io.Reader) error {

 func (dec *yamlDecoder) Decode() (*CandidateNode, error) {
 	var dataBucket yaml.Node
+
 	err := dec.decoder.Decode(&dataBucket)
 	if errors.Is(err, io.EOF) && dec.leadingContent != "" && !dec.readAnything {
 		// force returning an empty node with a comment.
 		dec.readAnything = true
 		return dec.blankNodeWithComment(), nil
-	} else if errors.Is(err, io.EOF) && !dec.prefs.LeadingContentPreProcessing && !dec.readAnything {
-		// didn't find any yaml,
-		// check the tee buffer, maybe there were comments
-		dec.readAnything = true
-		dec.leadingContent = dec.bufferRead.String()
-		if dec.leadingContent != "" {
-			return dec.blankNodeWithComment(), nil
-		}
-		return nil, err
+
 	} else if err != nil {
 		return nil, err
 	}
@@ -124,7 +96,6 @@ func (dec *yamlDecoder) Decode() (*CandidateNode, error) {
 		candidateNode.LeadingContent = dec.leadingContent
 		dec.leadingContent = ""
 	}
-	dec.readAnything = true
 	// move document comments into candidate node
 	// otherwise unwrap drops them.
 	candidateNode.TrailingContent = dataBucket.FootComment
@@ -86,23 +86,6 @@ will output
 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
@@ -302,7 +302,7 @@ foobar:
 ```

 ## Dereference and update a field
-Use explode with multiply to dereference an object
+`Use explode with multiply to dereference an object

 Given a sample.yml file of:
 ```yaml
@@ -1,28 +0,0 @@
-# Array to Map
-
-Use this operator to convert an array to..a map. The indices are used as map keys, null values in the array are skipped over.
-
-Behind the scenes, this is implemented using reduce:
-
-```
-(.[] | select(. != null) ) as $i ireduce({}; .[$i | key] = $i)
-```
-
-## Simple example
-Given a sample.yml file of:
-```yaml
-cool:
-  - null
-  - null
-  - hello
-```
-then
-```bash
-yq '.cool |= array_to_map' sample.yml
-```
-will output
-```yaml
-cool:
-  2: hello
-```
-
@@ -3,10 +3,10 @@
 This operator is used to update node values. It can be used in either the:

 ### plain form: `=`
-Which will set the LHS node values equal to the RHS node values. The RHS expression is run against the matching nodes in the pipeline.
+Which will assign the LHS node values to the RHS node values. The RHS expression is run against the matching nodes in the pipeline.

 ### relative form: `|=`
-This will do a similar thing to the plain form, but the RHS expression is run with _each LHS node as context_. This is useful for updating values based on old values, e.g. increment.
+This will do a similar thing to the plain form, however, the RHS expression is run against _the LHS nodes_. This is useful for updating values based on old values, e.g. increment.


 ### Flags
@@ -203,7 +203,7 @@ a:
 ```

 ## Update node value that has an anchor
-Anchor will remain
+Anchor will remaple

 Given a sample.yml file of:
 ```yaml
@@ -250,7 +250,7 @@ a: !cat woof
 b: !dog woof
 ```

-## Custom types: clobber
+## Custom types: clovver
 Use the `c` option to clobber custom tags

 Given a sample.yml file of:
@@ -26,24 +26,6 @@ will output
 true
 ```

-## "yes" and "no" are strings
-In the yaml 1.2 standard, support for yes/no as booleans was dropped - they are now considered strings. See '10.2.1.2. Boolean' in https://yaml.org/spec/1.2.2/
-
-Given a sample.yml file of:
-```yaml
- yes
- no
-```
-then
-```bash
-yq '.[] | tag' sample.yml
-```
-will output
-```yaml
-!!str
-!!str
-```
-
 ## `and` example
 Running
 ```bash
@@ -5,10 +5,10 @@ Use these comment operators to set or retrieve comments. Note that line comments
 Like the `=` and `|=` assign operators, the same syntax applies when updating comments:

 ### plain form: `=`
-This will set the LHS nodes' comments equal to the expression on the RHS. The RHS is run against the matching nodes in the pipeline
+This will assign the LHS nodes comments to the expression on the RHS. The RHS is run against the matching nodes in the pipeline

 ### relative form: `|=` 
-This is similar to the plain form, but it evaluates the RHS with _each matching LHS node as context_. This is useful if you want to set the comments as a relative expression of the node, for instance its value or path.
+Similar to the plain form, however the RHS evaluates against each matching LHS node! This is useful if you want to set the comments as a relative expression of the node, for instance its value or path.

 ## Set line comment
 Set the comment on the key node for more reliability (see below).
@@ -247,7 +247,6 @@ Note the use of `...` to ensure key nodes are included.
 Given a sample.yml file of:
 ```yaml
 # hi
-
 a: cat # comment
 # great
 b: # key comment
@@ -266,7 +265,6 @@ b:
 Given a sample.yml file of:
 ```yaml
 # welcome!
-
 a: cat # meow
 # have a great day
 ```
@@ -295,7 +293,6 @@ yq '. | head_comment' sample.yml
 will output
 ```yaml
 welcome!
-
 ```

 ## Head comment with document split
@@ -1,14 +1,6 @@
 # Contains

-This returns `true` if the context contains the passed in parameter, and false otherwise. For arrays, this will return true if the passed in array is contained within the array. For strings, it will return true if the string is a substring.
-
-{% hint style="warning" %}
-
-_Note_ that, just like jq, when checking if an array of strings `contains` another, this will use `contains` and _not_ equals to check each string. This means an expression like `contains(["cat"])` will return true for an array `["cats"]`.
-
-See the "Array has a subset array" example below on how to check for a subset.
-
-{% endhint %}
+This returns `true` if the context contains the passed in parameter, and false otherwise.

 ## Array contains array
 Array is equal or subset of
@@ -28,24 +20,6 @@ will output
 true
 ```

-## Array has a subset array
-Subtract the superset array from the subset, if there's anything left, it's not a subset
-
-Given a sample.yml file of:
-```yaml
- foobar
- foobaz
- blarp
-```
-then
-```bash
-yq '["baz", "bar"] - . | length == 0' sample.yml
-```
-will output
-```yaml
-false
-```
-
 ## Object included in array
 Given a sample.yml file of:
 ```yaml
@@ -3,7 +3,7 @@
 Various operators for parsing and manipulating dates. 

 ## Date time formattings
-This uses Golang's built in time library for parsing and formatting date times.
+This uses the golangs built in time library for parsing and formatting date times.

 When not specified, the RFC3339 standard is assumed `2006-01-02T15:04:05Z07:00` for parsing.

@@ -17,13 +17,13 @@ See the [library docs](https://pkg.go.dev/time#pkg-constants) for examples of fo


 ## Timezones
-This uses Golang's built in LoadLocation function to parse timezones strings. See the [library docs](https://pkg.go.dev/time#LoadLocation) for more details.
+This uses golangs built in LoadLocation function to parse timezones strings. See the [library docs](https://pkg.go.dev/time#LoadLocation) for more details.


 ## Durations
-Durations are parsed using Golang's built in [ParseDuration](https://pkg.go.dev/time#ParseDuration) function.
+Durations are parsed using golangs built in [ParseDuration](https://pkg.go.dev/time#ParseDuration) function.

-You can add durations to time using the `+` operator.
+You can durations to time using the `+` operator.

 ## Format: from standard RFC3339 format
 Providing a single parameter assumes a standard RFC3339 datetime format. If the target format is not a valid yaml datetime format, the result will be a string tagged node.
@@ -60,7 +60,7 @@ a: 2001-12-15
 ## Format: get the day of the week
 Given a sample.yml file of:
 ```yaml
-a: 2001-12-15
+a: 2001-12-15T02:59:43.1Z
 ```
 then
 ```bash
@@ -86,30 +86,6 @@ a: cool
 updated: 2021-05-19T01:02:03Z
 ```

-## From Unix
-Converts from unix time. Note, you don't have to pipe through the tz operator :)
-
-Running
-```bash
-yq --null-input '1675301929 | from_unix | tz("UTC")'
-```
-will output
-```yaml
-2023-02-02T01:38:49Z
-```
-
-## To Unix
-Converts to unix time
-
-Running
-```bash
-yq --null-input 'now | to_unix'
-```
-will output
-```yaml
-1621386123
-```
-
 ## Timezone: from standard RFC3339 format
 Returns a new datetime in the specified timezone. Specify standard IANA Time Zone format or 'utc', 'local'. When given a single parameter, this assumes the datetime is in RFC3339 format.

@@ -1,61 +0,0 @@
-# Divide
-
-Divide behaves differently according to the type of the LHS:
-* strings: split by the divider
-* number: arithmetic division
-
-## String split
-Given a sample.yml file of:
-```yaml
-a: cat_meow
-b: _
-```
-then
-```bash
-yq '.c = .a / .b' sample.yml
-```
-will output
-```yaml
-a: cat_meow
-b: _
-c:
-  - cat
-  - meow
-```
-
-## Number division
-The result during division is calculated as a float
-
-Given a sample.yml file of:
-```yaml
-a: 12
-b: 2.5
-```
-then
-```bash
-yq '.a = .a / .b' sample.yml
-```
-will output
-```yaml
-a: 4.8
-b: 2.5
-```
-
-## Number division by zero
-Dividing by zero results in +Inf or -Inf
-
-Given a sample.yml file of:
-```yaml
-a: 1
-b: -1
-```
-then
-```bash
-yq '.a = .a / 0 | .b = .b / 0' sample.yml
-```
-will output
-```yaml
-a: !!float +Inf
-b: !!float -Inf
-```
-
@@ -16,8 +16,6 @@ These operators are useful to process yaml documents that have stringified embed
 | TSV | from_tsv/@tsvd | to_tsv/@tsv |
 | XML | from_xml/@xmld | to_xml(i)/@xml |
 | Base64 | @base64d | @base64 |
-| URI | @urid | @uri |
-| Shell |  | @sh |


 See CSV and TSV [documentation](https://mikefarah.gitbook.io/yq/usage/csv-tsv) for accepted formats.
@@ -25,7 +23,7 @@ See CSV and TSV [documentation](https://mikefarah.gitbook.io/yq/usage/csv-tsv) f
 XML uses the `--xml-attribute-prefix` and `xml-content-name` flags to identify attributes and content fields.


-Base64 assumes [rfc4648](https://rfc-editor.org/rfc/rfc4648.html) encoding. Encoding and decoding both assume that the content is a utf-8 string and not binary content.
+Base64 assumes [rfc4648](https://rfc-editor.org/rfc/rfc4648.html) encoding. Encoding and decoding both assume that the content is a string.

 ## Encode value as json string
 Given a sample.yml file of:
@@ -309,7 +307,7 @@ cat,"thing1,thing2",true,3.40
 dog,thing3,false,12
 ```

-## Encode array of arrays as tsv string
+## Encode array of array scalars as tsv string
 Scalars are strings, numbers and booleans.

 Given a sample.yml file of:
@@ -339,7 +337,7 @@ Given a sample.yml file of:
 a:
  cool:
    foo: bar
-    +@id: hi
+    +id: hi
 ```
 then
 ```bash
@@ -359,7 +357,7 @@ Given a sample.yml file of:
 a:
  cool:
    foo: bar
-    +@id: hi
+    +id: hi
 ```
 then
 ```bash
@@ -377,7 +375,7 @@ Given a sample.yml file of:
 a:
  cool:
    foo: bar
-    +@id: hi
+    +id: hi
 ```
 then
 ```bash
@@ -437,50 +435,6 @@ will output
 YTogYXBwbGUK
 ```

-## Encode a string to uri
-Given a sample.yml file of:
-```yaml
-coolData: this has & special () characters *
-```
-then
-```bash
-yq '.coolData | @uri' sample.yml
-```
-will output
-```yaml
-this+has+%26+special+%28%29+characters+%2A
-```
-
-## Decode a URI to a string
-Given a sample.yml file of:
-```yaml
-this+has+%26+special+%28%29+characters+%2A
-```
-then
-```bash
-yq '@urid' sample.yml
-```
-will output
-```yaml
-this has & special () characters *
-```
-
-## Encode a string to sh
-Sh/Bash friendly string
-
-Given a sample.yml file of:
-```yaml
-coolData: strings with spaces and a 'quote'
-```
-then
-```bash
-yq '.coolData | @sh' sample.yml
-```
-will output
-```yaml
-strings' with spaces and a '\'quote\'
-```
-
 ## Decode a base64 encoded string
 Decoded data is assumed to be a string.

@@ -67,7 +67,7 @@ a: 1
 b: 2
 ```

-## from_entries with numeric key indices
+## from_entries with numeric key indexes
 from_entries always creates a map, even for numeric keys

 Given a sample.yml file of:
@@ -2,9 +2,9 @@

 Use `eval` to dynamically process an expression - for instance from an environment variable.

-`eval` takes a single argument, and evaluates that as a `yq` expression. Any valid expression can be used, be it a path `.a.b.c | select(. == "cat")`, or an update `.a.b.c = "gogo"`.
+`eval` takes a single argument, and evaluates that as a `yq` expression. Any valid expression can be used, beit a path `.a.b.c | select(. == "cat")`, or an update `.a.b.c = "gogo"`.

-Tip: This can be a useful way to parameterise complex scripts.
+Tip: This can be useful way parameterise complex scripts.

 ## Dynamically evaluate a path
 Given a sample.yml file of:
@@ -1,42 +0,0 @@
-# Filter
-
-Filters an array (or map values) by the expression given. Equivalent to doing `map(select(exp))`.
-
-
-## Filter array
-Given a sample.yml file of:
-```yaml
- 1
- 2
- 3
-```
-then
-```bash
-yq 'filter(. < 3)' sample.yml
-```
-will output
-```yaml
- 1
- 2
-```
-
-## Filter map values
-Given a sample.yml file of:
-```yaml
-c:
-  things: cool
-  frog: yes
-d:
-  things: hot
-  frog: false
-```
-then
-```bash
-yq 'filter(.things == "cool")' sample.yml
-```
-will output
-```yaml
- things: cool
-  frog: yes
-```
-
@@ -26,7 +26,7 @@ will output
    bar: 100
 ```

-## Group by field, with nulls
+## Group by field, with nuls
 Given a sample.yml file of:
 ```yaml
 - cat: dog
@@ -1,6 +1,6 @@
 # Has

-This operation returns true if the key exists in a map (or index in an array), false otherwise.
+This is operation that returns true if the key exists in a map (or index in an array), false otherwise.

 ## Has map key
 Given a sample.yml file of:
@@ -26,7 +26,7 @@ yq '.a.b[0].c' file.yaml
 cat file.yaml | yq '.a.b[0].c'
 ```

-## Update a yaml file, in place
+## Update a yaml file, inplace
 ```bash
 yq -i '.a.b[0].c = "cool"' file.yaml
 ```
@@ -1,9 +0,0 @@
-# Array to Map
-
-Use this operator to convert an array to..a map. The indices are used as map keys, null values in the array are skipped over.
-
-Behind the scenes, this is implemented using reduce:
-
-```
-(.[] | select(. != null) ) as $i ireduce({}; .[$i | key] = $i)
-```
@@ -3,10 +3,10 @@
 This operator is used to update node values. It can be used in either the:

 ### plain form: `=`
-Which will set the LHS node values equal to the RHS node values. The RHS expression is run against the matching nodes in the pipeline.
+Which will assign the LHS node values to the RHS node values. The RHS expression is run against the matching nodes in the pipeline.

 ### relative form: `|=`
-This will do a similar thing to the plain form, but the RHS expression is run with _each LHS node as context_. This is useful for updating values based on old values, e.g. increment.
+This will do a similar thing to the plain form, however, the RHS expression is run against _the LHS nodes_. This is useful for updating values based on old values, e.g. increment.


 ### Flags
@@ -5,7 +5,7 @@ Use these comment operators to set or retrieve comments. Note that line comments
 Like the `=` and `|=` assign operators, the same syntax applies when updating comments:

 ### plain form: `=`
-This will set the LHS nodes' comments equal to the expression on the RHS. The RHS is run against the matching nodes in the pipeline
+This will assign the LHS nodes comments to the expression on the RHS. The RHS is run against the matching nodes in the pipeline

 ### relative form: `|=` 
-This is similar to the plain form, but it evaluates the RHS with _each matching LHS node as context_. This is useful if you want to set the comments as a relative expression of the node, for instance its value or path.
+Similar to the plain form, however the RHS evaluates against each matching LHS node! This is useful if you want to set the comments as a relative expression of the node, for instance its value or path.
@@ -1,11 +1,3 @@
 # Contains

-This returns `true` if the context contains the passed in parameter, and false otherwise. For arrays, this will return true if the passed in array is contained within the array. For strings, it will return true if the string is a substring.
-
-{% hint style="warning" %}
-
-_Note_ that, just like jq, when checking if an array of strings `contains` another, this will use `contains` and _not_ equals to check each string. This means an expression like `contains(["cat"])` will return true for an array `["cats"]`.
-
-See the "Array has a subset array" example below on how to check for a subset.
-
-{% endhint %}
+This returns `true` if the context contains the passed in parameter, and false otherwise.
@@ -3,7 +3,7 @@
 Various operators for parsing and manipulating dates. 

 ## Date time formattings
-This uses Golang's built in time library for parsing and formatting date times.
+This uses the golangs built in time library for parsing and formatting date times.

 When not specified, the RFC3339 standard is assumed `2006-01-02T15:04:05Z07:00` for parsing.

@@ -17,10 +17,10 @@ See the [library docs](https://pkg.go.dev/time#pkg-constants) for examples of fo


 ## Timezones
-This uses Golang's built in LoadLocation function to parse timezones strings. See the [library docs](https://pkg.go.dev/time#LoadLocation) for more details.
+This uses golangs built in LoadLocation function to parse timezones strings. See the [library docs](https://pkg.go.dev/time#LoadLocation) for more details.


 ## Durations
-Durations are parsed using Golang's built in [ParseDuration](https://pkg.go.dev/time#ParseDuration) function.
+Durations are parsed using golangs built in [ParseDuration](https://pkg.go.dev/time#ParseDuration) function.

-You can add durations to time using the `+` operator.
+You can durations to time using the `+` operator.
@@ -1,5 +0,0 @@
-# Divide
-
-Divide behaves differently according to the type of the LHS:
-* strings: split by the divider
-* number: arithmetic division
@@ -16,8 +16,6 @@ These operators are useful to process yaml documents that have stringified embed
 | TSV | from_tsv/@tsvd | to_tsv/@tsv |
 | XML | from_xml/@xmld | to_xml(i)/@xml |
 | Base64 | @base64d | @base64 |
-| URI | @urid | @uri |
-| Shell |  | @sh |


 See CSV and TSV [documentation](https://mikefarah.gitbook.io/yq/usage/csv-tsv) for accepted formats.
@@ -25,4 +23,4 @@ See CSV and TSV [documentation](https://mikefarah.gitbook.io/yq/usage/csv-tsv) f
 XML uses the `--xml-attribute-prefix` and `xml-content-name` flags to identify attributes and content fields.


-Base64 assumes [rfc4648](https://rfc-editor.org/rfc/rfc4648.html) encoding. Encoding and decoding both assume that the content is a utf-8 string and not binary content.
+Base64 assumes [rfc4648](https://rfc-editor.org/rfc/rfc4648.html) encoding. Encoding and decoding both assume that the content is a string.
@@ -2,6 +2,6 @@

 Use `eval` to dynamically process an expression - for instance from an environment variable.

-`eval` takes a single argument, and evaluates that as a `yq` expression. Any valid expression can be used, be it a path `.a.b.c | select(. == "cat")`, or an update `.a.b.c = "gogo"`.
+`eval` takes a single argument, and evaluates that as a `yq` expression. Any valid expression can be used, beit a path `.a.b.c | select(. == "cat")`, or an update `.a.b.c = "gogo"`.

-Tip: This can be a useful way to parameterise complex scripts.
+Tip: This can be useful way parameterise complex scripts.
@@ -1,4 +0,0 @@
-# Filter
-
-Filters an array (or map values) by the expression given. Equivalent to doing `map(select(exp))`.
-
@@ -1,3 +1,3 @@
 # Has

-This operation returns true if the key exists in a map (or index in an array), false otherwise.
+This is operation that returns true if the key exists in a map (or index in an array), false otherwise.
@@ -14,8 +14,6 @@ You can load files of the following supported types:
 | Plain String | load_str |
 | Base64 | load_base64 |

-Note that load_base64 only works for base64 encoded utf-8 strings.
-
 ## Samples files for tests:

 ### yaml
@@ -1,3 +0,0 @@
-# Modulo
-
-Arithmetic modulo operator, returns the remainder from dividing two numbers.
@@ -1,6 +1,6 @@
 # Recursive Descent (Glob)

-This operator recursively matches (or globs) all children nodes given of a particular element, including that node itself. This is most often used to apply a filter recursively against all matches.
+This operator recursively matches (or globs) all children nodes given of a particular element, including that node itself. This is most often used to apply a filter recursively against all matches. It can be used in either the 

 ## match values form `..`
 This will, like the `jq` equivalent, recursively match all _value_ nodes. Use it to find/manipulate particular values.
@@ -12,7 +12,7 @@ yq '.. style= "flow"' file.yaml
 ```

 ## match values and map keys form `...`
-The also includes map keys in the results set. This is particularly useful in YAML as unlike JSON, map keys can have their own styling and tags and also use anchors and aliases.
+The also includes map keys in the results set. This is particularly useful in YAML as unlike JSON, map keys can have their own styling, tags and use anchors and aliases.

 For instance to set the `style` of all nodes in a yaml doc, including the map keys:

@@ -1,4 +0,0 @@
-# Shuffle
-
-Shuffles an array. Note that this command does _not_ use a cryptographically secure random number generator to randomise the array order.
-
@@ -1,5 +0,0 @@
-# Slice/Splice Array
-
-The slice array operator takes an array as input and returns a subarray. Like the `jq` equivalent, `.[10:15]` will return an array of length 5, starting from index 10 inclusive, up to index 15 exclusive. Negative numbers count backwards from the end of the array.
-
-You may leave out the first or second number, which will will refer to the start or end of the array respectively.
@@ -10,7 +10,7 @@ yq -i -P 'sort_keys(..)' file2.yml
 diff file1.yml file2.yml
 ```

-Note that `yq` does not yet consider anchors when sorting by keys - this may result in invalid yaml documents if you are using merge anchors.
+Note that `yq` does not yet consider anchors when sorting by keys - this may result in invalid yaml documents if your are using merge anchors.

 For more advanced sorting, using `to_entries` to convert the map to an array, then sort/process the array as you like (e.g. using `sort_by`) and convert back to a map using `from_entries`.
 See [here](https://mikefarah.gitbook.io/yq/operators/entries#custom-sort-map-keys) for an example. 
@@ -1,7 +1,7 @@
 # String Operators

 ## RegEx
-This uses Golang's native regex functions under the hood - See their [docs](https://github.com/google/re2/wiki/Syntax) for the supported syntax.
+This uses golangs native regex functions under the hood - See their [docs](https://github.com/google/re2/wiki/Syntax) for the supported syntax.

 Case insensitive tip: prefix the regex with `(?i)` - e.g. `test("(?i)cats)"`.

@@ -15,7 +15,7 @@ Capture returns named RegEx capture groups in a map. Can be more convenient than
 Returns true if the string matches the RegEx, false otherwise.

 ## sub(regEx, replacement)
-Substitutes matched substrings. The first parameter is the regEx to match substrings within the original string. The second parameter specifies what to replace those matches with. This can refer to capture groups from the first RegEx.
+Substitutes matched substrings. The first parameter is the regEx to match substrings within the original string. The second is a what to replace those matches with. This can refer to capture groups from the first RegEx.

 ## String blocks, bash and newlines
 Bash is notorious for chomping on precious trailing newline characters, making it tricky to set strings with newlines properly. In particular, the `$( exp )` _will trim trailing newlines_.
@@ -27,7 +27,7 @@ a: |
  cat
 ```

-Using `$( exp )` wont work, as it will trim the trailing newline.
+Using `$( exp )` wont work, as it will trim the trailing new line.

 ```
 m=$(echo "cat\n") yq -n '.a = strenv(m)'
@@ -49,7 +49,7 @@ a: |
  cat
 ```

-Similarly, if you're trying to set the content from a file, and want a trailing newline:
+Similarly, if you're trying to set the content from a file, and want a trailing new line:

 ```
 IFS= read -rd '' output < <(cat my_file)
@@ -1,3 +1,3 @@
 # Subtract

-You can use subtract to subtract numbers as well as remove elements from an array.
+You can use subtract to subtract numbers, as well as removing elements from an array.
@@ -1,3 +1,3 @@
 # Traverse (Read)

-This is the simplest (and perhaps most used) operator. It is used to navigate deeply into yaml structures.
+This is the simplest (and perhaps most used) operator, it is used to navigate deeply into yaml structures.
@@ -29,7 +29,7 @@ b:
 ```
 then
 ```bash
-yq '.b | key | line' sample.yml
+yq '.b | key| line' sample.yml
 ```
 will output
 ```yaml
@@ -14,8 +14,6 @@ You can load files of the following supported types:
 | Plain String | load_str |
 | Base64 | load_base64 |

-Note that load_base64 only works for base64 encoded utf-8 strings.
-
 ## Samples files for tests:

 ### yaml
@@ -1,75 +0,0 @@
-# Modulo
-
-Arithmetic modulo operator, returns the remainder from dividing two numbers.
-
-## Number modulo - int
-If the lhs and rhs are ints then the expression will be calculated with ints.
-
-Given a sample.yml file of:
-```yaml
-a: 13
-b: 2
-```
-then
-```bash
-yq '.a = .a % .b' sample.yml
-```
-will output
-```yaml
-a: 1
-b: 2
-```
-
-## Number modulo - float
-If the lhs or rhs are floats then the expression will be calculated with floats.
-
-Given a sample.yml file of:
-```yaml
-a: 12
-b: 2.5
-```
-then
-```bash
-yq '.a = .a % .b' sample.yml
-```
-will output
-```yaml
-a: !!float 2
-b: 2.5
-```
-
-## Number modulo - int by zero
-If the lhs is an int and rhs is a 0 the result is an error.
-
-Given a sample.yml file of:
-```yaml
-a: 1
-b: 0
-```
-then
-```bash
-yq '.a = .a % .b' sample.yml
-```
-will output
-```bash
-Error: cannot modulo by 0
-```
-
-## Number modulo - float by zero
-If the lhs is a float and rhs is a 0 the result is NaN.
-
-Given a sample.yml file of:
-```yaml
-a: 1.1
-b: 0
-```
-then
-```bash
-yq '.a = .a % .b' sample.yml
-```
-will output
-```yaml
-a: !!float NaN
-b: 0
-```
-
@@ -250,7 +250,7 @@ thing:
 ```

 ## Merge, deeply merging arrays
-Merging arrays deeply means arrays are merged like objects, with indices as their key. In this case, we merge the first item in the array and do nothing with the second.
+Merging arrays deeply means arrays are merge like objects, with indexes as their key. In this case, we merge the first item in the array, and do nothing with the second.

 Given a sample.yml file of:
 ```yaml
@@ -477,7 +477,7 @@ b: !goat
 ```

 ## Custom types: clobber tags
-Use the `c` option to clobber custom tags. Note that the second tag is now used.
+Use the `c` option to clobber custom tags. Note that the second tag is now used

 Given a sample.yml file of:
 ```yaml
@@ -499,43 +499,3 @@ b: !goat
  dog: woof
 ```

-## Merging a null with a map
-Running
-```bash
-yq --null-input 'null * {"some": "thing"}'
-```
-will output
-```yaml
-some: thing
-```
-
-## Merging a map with null
-Running
-```bash
-yq --null-input '{"some": "thing"} * null'
-```
-will output
-```yaml
-some: thing
-```
-
-## Merging an null with an array
-Running
-```bash
-yq --null-input 'null * ["some"]'
-```
-will output
-```yaml
- some
-```
-
-## Merging an array with null
-Running
-```bash
-yq --null-input '["some"] * null'
-```
-will output
-```yaml
- some
-```
-
@@ -122,33 +122,6 @@ a:
  b: things
 ```

-## Set path to prune deep paths
-Like pick but recursive. This uses `ireduce` to deeply set the selected paths into an empty object.
-
-Given a sample.yml file of:
-```yaml
-
-parentA: bob
-parentB:
-  child1: i am child1
-  child2: i am child2
-parentC:
-  child1: me child1
-  child2: me child2
-```
-then
-```bash
-yq '(.parentB.child2, .parentC.child1) as $i
-  ireduce({}; setpath($i | path; $i))' sample.yml
-```
-will output
-```yaml
-parentB:
-  child2: i am child2
-parentC:
-  child1: me child1
-```
-
 ## Set array path
 Given a sample.yml file of:
 ```yaml
@@ -13,7 +13,7 @@ myMap:
  cat: meow
  dog: bark
  thing: hamster
-  hamster: squeak
+  hamster: squeek
 ```
 then
 ```bash
@@ -22,12 +22,12 @@ yq '.myMap |= pick(["hamster", "cat", "goat"])' sample.yml
 will output
 ```yaml
 myMap:
-  hamster: squeak
+  hamster: squeek
  cat: meow
 ```

 ## Pick indices from array
-Note that the order of the indices matches the pick order and non existent indices are skipped.
+Note that the order of the indexes matches the pick order and non existent indexes are skipped.

 Given a sample.yml file of:
 ```yaml
@@ -1,6 +1,6 @@
 # Recursive Descent (Glob)

-This operator recursively matches (or globs) all children nodes given of a particular element, including that node itself. This is most often used to apply a filter recursively against all matches.
+This operator recursively matches (or globs) all children nodes given of a particular element, including that node itself. This is most often used to apply a filter recursively against all matches. It can be used in either the 

 ## match values form `..`
 This will, like the `jq` equivalent, recursively match all _value_ nodes. Use it to find/manipulate particular values.
@@ -12,7 +12,7 @@ yq '.. style= "flow"' file.yaml
 ```

 ## match values and map keys form `...`
-The also includes map keys in the results set. This is particularly useful in YAML as unlike JSON, map keys can have their own styling and tags and also use anchors and aliases.
+The also includes map keys in the results set. This is particularly useful in YAML as unlike JSON, map keys can have their own styling, tags and use anchors and aliases.

 For instance to set the `style` of all nodes in a yaml doc, including the map keys:

@@ -62,7 +62,7 @@ going
 ```

 ## Select elements from array with regular expression
-See more regular expression examples under the [`string` operator docs](https://mikefarah.gitbook.io/yq/operators/string-operators).
+See more regular expression examples under the `string` operator docs.

 Given a sample.yml file of:
 ```yaml
@@ -1,51 +0,0 @@
-# Shuffle
-
-Shuffles an array. Note that this command does _not_ use a cryptographically secure random number generator to randomise the array order.
-
-
-## Shuffle array
-Given a sample.yml file of:
-```yaml
- 1
- 2
- 3
- 4
- 5
-```
-then
-```bash
-yq 'shuffle' sample.yml
-```
-will output
-```yaml
- 5
- 2
- 4
- 1
- 3
-```
-
-## Shuffle array in place
-Given a sample.yml file of:
-```yaml
-cool:
-  - 1
-  - 2
-  - 3
-  - 4
-  - 5
-```
-then
-```bash
-yq '.cool |= shuffle' sample.yml
-```
-will output
-```yaml
-cool:
-  - 5
-  - 2
-  - 4
-  - 1
-  - 3
-```
-
@@ -1,105 +0,0 @@
-# Slice/Splice Array
-
-The slice array operator takes an array as input and returns a subarray. Like the `jq` equivalent, `.[10:15]` will return an array of length 5, starting from index 10 inclusive, up to index 15 exclusive. Negative numbers count backwards from the end of the array.
-
-You may leave out the first or second number, which will will refer to the start or end of the array respectively.
-
-## Slicing arrays
-Given a sample.yml file of:
-```yaml
- cat
- dog
- frog
- cow
-```
-then
-```bash
-yq '.[1:3]' sample.yml
-```
-will output
-```yaml
- dog
- frog
-```
-
-## Slicing arrays - without the first number
-Starts from the start of the array
-
-Given a sample.yml file of:
-```yaml
- cat
- dog
- frog
- cow
-```
-then
-```bash
-yq '.[:2]' sample.yml
-```
-will output
-```yaml
- cat
- dog
-```
-
-## Slicing arrays - without the second number
-Finishes at the end of the array
-
-Given a sample.yml file of:
-```yaml
- cat
- dog
- frog
- cow
-```
-then
-```bash
-yq '.[2:]' sample.yml
-```
-will output
-```yaml
- frog
- cow
-```
-
-## Slicing arrays - use negative numbers to count backwards from the end
-Given a sample.yml file of:
-```yaml
- cat
- dog
- frog
- cow
-```
-then
-```bash
-yq '.[1:-1]' sample.yml
-```
-will output
-```yaml
- dog
- frog
-```
-
-## Inserting into the middle of an array
-using an expression to find the index
-
-Given a sample.yml file of:
-```yaml
- cat
- dog
- frog
- cow
-```
-then
-```bash
-yq '(.[] | select(. == "dog") | key + 1) as $pos | .[0:($pos)] + ["rabbit"] + .[$pos:]' sample.yml
-```
-will output
-```yaml
- cat
- dog
- rabbit
- frog
- cow
-```
-
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Mike Farah	e918bec740	fixed leading content logic	2022-10-28 13:50:22 +11:00
Mike Farah	b87c1503f4	wip	2022-10-27 16:16:00 +11:00
Mike Farah	fd79ac8603	put comments on key node instead	2022-10-27 15:27:37 +11:00
Mike Farah	7eccbe5902	put comments on key node instead	2022-10-26 13:24:36 +11:00
Mike Farah	fe27ddedc0	fixing property comment handling	2022-10-26 13:12:30 +11:00
Mike Farah	23b2aa5668	fixing property comment handling	2022-10-26 13:12:30 +11:00
Mike Farah	2e588a11a0	moving leading content processing logic into yaml decoder	2022-10-26 13:12:30 +11:00
Mike Farah	4138c3b005	wip	2022-10-26 13:12:30 +11:00