mirror of
https://github.com/mikefarah/yq.git
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224 lines
25 KiB
JSON
224 lines
25 KiB
JSON
{
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"docs": [
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{
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"location": "/",
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"text": "yq\n\u00b6\n\n\nyq is a lightweight and portable command-line YAML processor\n\n\nThe aim of the project is to be the \njq\n or sed of yaml files.\n\n\nInstall\n\u00b6\n\n\nOn MacOS:\n\n\nbrew install yq\n\n\n\n\nOn Ubuntu and other Linux distros supporting \nsnap\n packages:\n\n\nsnap install yq\n\n\n\n\nOn Ubuntu 16.04 or higher from Debian package:\n\n\nsudo add-apt-repository ppa:rmescandon/yq\nsudo apt update\nsudo apt install yq -y\n\n\n\n\nor, \nDownload latest binary\n or alternatively:\n\n\ngo get gopkg.in/mikefarah/yq.v2\n\n\n\n\nView on GitHub",
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"title": "Install"
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},
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{
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"location": "/#yq",
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"text": "yq is a lightweight and portable command-line YAML processor The aim of the project is to be the jq or sed of yaml files.",
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"title": "yq"
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},
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{
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"location": "/#install",
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"text": "On MacOS: brew install yq On Ubuntu and other Linux distros supporting snap packages: snap install yq On Ubuntu 16.04 or higher from Debian package: sudo add-apt-repository ppa:rmescandon/yq\nsudo apt update\nsudo apt install yq -y or, Download latest binary or alternatively: go get gopkg.in/mikefarah/yq.v2 View on GitHub",
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"title": "Install"
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},
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{
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"location": "/read/",
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"text": "yq r <yaml_file|json_file> <path>\n\n\n\n\nThis command can take a json file as input too, and will output yaml unless specified to export as json (-j)\n\n\nBasic\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq r sample.yaml b.c\n\n\n\n\nwill output the value of '2'.\n\n\nFrom Stdin\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\ncat sample.yaml | yq r - b.c\n\n\n\n\nwill output the value of '2'.\n\n\nSplat\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\n---\nbob:\n item1:\n cats: bananas\n item2:\n cats: apples\n\n\n\n\nthen\n\n\nyq r sample.yaml bob.*.cats\n\n\n\n\nwill output\n\n\n- bananas\n- apples\n\n\n\n\nMultiple Documents\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nsomething: else\n---\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq r -d1 sample.yaml b.c\n\n\n\n\nwill output the value of '2'.\n\n\nArrays\n\u00b6\n\n\nYou can give an index to access a specific element:\ne.g.: given a sample file of\n\n\nb:\n e:\n - name: fred\n value: 3\n - name: sam\n value: 4\n\n\n\n\nthen\n\n\nyq r sample.yaml 'b.e[1].name'\n\n\n\n\nwill output 'sam'\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.\n\n\nArray Splat\n\u00b6\n\n\ne.g.: given a sample file of\n\n\nb:\n e:\n - name: fred\n value: 3\n - name: sam\n value: 4\n\n\n\n\nthen\n\n\nyq r sample.yaml 'b.e[*].name'\n\n\n\n\nwill output:\n\n\n- fred\n- sam\n\n\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
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"title": "Read"
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},
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{
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"location": "/read/#basic",
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"text": "Given a sample.yaml file of: b:\n c: 2 then yq r sample.yaml b.c will output the value of '2'.",
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"title": "Basic"
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},
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{
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"location": "/read/#from-stdin",
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"text": "Given a sample.yaml file of: cat sample.yaml | yq r - b.c will output the value of '2'.",
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"title": "From Stdin"
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},
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{
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"location": "/read/#splat",
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"text": "Given a sample.yaml file of: ---\nbob:\n item1:\n cats: bananas\n item2:\n cats: apples then yq r sample.yaml bob.*.cats will output - bananas\n- apples",
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"title": "Splat"
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},
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{
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"location": "/read/#multiple-documents",
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"text": "Given a sample.yaml file of: something: else\n---\nb:\n c: 2 then yq r -d1 sample.yaml b.c will output the value of '2'.",
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"title": "Multiple Documents"
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},
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{
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"location": "/read/#arrays",
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"text": "You can give an index to access a specific element:\ne.g.: given a sample file of b:\n e:\n - name: fred\n value: 3\n - name: sam\n value: 4 then yq r sample.yaml 'b.e[1].name' will output 'sam' Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
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"title": "Arrays"
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},
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{
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"location": "/read/#array-splat",
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"text": "e.g.: given a sample file of b:\n e:\n - name: fred\n value: 3\n - name: sam\n value: 4 then yq r sample.yaml 'b.e[*].name' will output: - fred\n- sam Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
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"title": "Array Splat"
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},
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{
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"location": "/read/#keys-with-dots",
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"text": "When specifying a key that has a dot use key lookup indicator. b:\n foo.bar: 7 yaml r sample.yaml 'b[foo.bar]' yaml w sample.yaml 'b[foo.bar]' 9 Any valid yaml key can be specified as part of a key lookup. Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
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"title": "Keys with dots"
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},
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{
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"location": "/write/",
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"text": "yq w <yaml_file> <path> <new value>\n\n\n\n\nTo Stdout\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq w sample.yaml b.c cat\n\n\n\n\nwill output:\n\n\nb:\n c: cat\n\n\n\n\nFrom STDIN\n\u00b6\n\n\ncat sample.yaml | yq w - b.c blah\n\n\n\n\nAdding new fields\n\u00b6\n\n\nAny missing fields in the path will be created on the fly.\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq w sample.yaml b.d[0] \"new thing\"\n\n\n\n\nwill output:\n\n\nb:\n c: cat\n d:\n - new thing\n\n\n\n\nAppending value to an array field\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n d:\n - new thing\n - foo thing\n\n\n\n\nthen\n\n\nyq w sample.yaml \"b.d[+]\" \"bar thing\"\n\n\n\n\nwill output:\n\n\nb:\n c: cat\n d:\n - new thing\n - foo thing\n - bar thing\n\n\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.\n\n\nMultiple Documents - update a single document\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nsomething: else\n---\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq w -d1 sample.yaml b.c 5\n\n\n\n\nwill output:\n\n\nsomething: else\n---\nb:\n c: 5\n\n\n\n\nMultiple Documents - update all documents\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nsomething: else\n---\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq w -d'*' sample.yaml b.c 5\n\n\n\n\nwill output:\n\n\nsomething: else\nb:\n c: 5\n---\nb:\n c: 5\n\n\n\n\nNote that '*' is in quotes to avoid being interpreted by your shell.\n\n\nUpdating files in-place\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq w -i sample.yaml b.c cat\n\n\n\n\nwill update the sample.yaml file so that the value of 'c' is cat.\n\n\nUpdating multiple values with a script\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n e:\n - name: Billy Bob\n\n\n\n\nand a script update_instructions.yaml of:\n\n\nb.c: 3\nb.e[0].name: Howdy Partner\n\n\n\n\nthen\n\n\nyq w -s update_instructions.yaml sample.yaml\n\n\n\n\nwill output:\n\n\nb:\n c: 3\n e:\n - name: Howdy Partner\n\n\n\n\nAnd, of course, you can pipe the instructions in using '-':\n\n\ncat update_instructions.yaml | yq w -s - sample.yaml\n\n\n\n\nValues starting with a hyphen (or dash)\n\u00b6\n\n\nThe flag terminator needs to be used to stop the app from attempting to parse the subsequent arguments as flags:\n\n\nyq w -- my.path -3\n\n\n\n\nwill output\n\n\nmy:\n path: -3\n\n\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
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"title": "Write/Update"
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},
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{
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"location": "/write/#to-stdout",
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"text": "Given a sample.yaml file of: b:\n c: 2 then yq w sample.yaml b.c cat will output: b:\n c: cat",
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"title": "To Stdout"
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},
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{
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"location": "/write/#from-stdin",
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"text": "cat sample.yaml | yq w - b.c blah",
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"title": "From STDIN"
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},
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{
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"location": "/write/#adding-new-fields",
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"text": "Any missing fields in the path will be created on the fly. Given a sample.yaml file of: b:\n c: 2 then yq w sample.yaml b.d[0] \"new thing\" will output: b:\n c: cat\n d:\n - new thing",
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"title": "Adding new fields"
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},
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{
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"location": "/write/#appending-value-to-an-array-field",
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"text": "Given a sample.yaml file of: b:\n c: 2\n d:\n - new thing\n - foo thing then yq w sample.yaml \"b.d[+]\" \"bar thing\" will output: b:\n c: cat\n d:\n - new thing\n - foo thing\n - bar thing Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
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"title": "Appending value to an array field"
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},
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{
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"location": "/write/#multiple-documents-update-a-single-document",
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"text": "Given a sample.yaml file of: something: else\n---\nb:\n c: 2 then yq w -d1 sample.yaml b.c 5 will output: something: else\n---\nb:\n c: 5",
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"title": "Multiple Documents - update a single document"
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},
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{
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"location": "/write/#multiple-documents-update-all-documents",
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"text": "Given a sample.yaml file of: something: else\n---\nb:\n c: 2 then yq w -d'*' sample.yaml b.c 5 will output: something: else\nb:\n c: 5\n---\nb:\n c: 5 Note that '*' is in quotes to avoid being interpreted by your shell.",
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"title": "Multiple Documents - update all documents"
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},
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{
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"location": "/write/#updating-files-in-place",
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"text": "Given a sample.yaml file of: b:\n c: 2 then yq w -i sample.yaml b.c cat will update the sample.yaml file so that the value of 'c' is cat.",
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"title": "Updating files in-place"
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},
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{
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"location": "/write/#updating-multiple-values-with-a-script",
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"text": "Given a sample.yaml file of: b:\n c: 2\n e:\n - name: Billy Bob and a script update_instructions.yaml of: b.c: 3\nb.e[0].name: Howdy Partner then yq w -s update_instructions.yaml sample.yaml will output: b:\n c: 3\n e:\n - name: Howdy Partner And, of course, you can pipe the instructions in using '-': cat update_instructions.yaml | yq w -s - sample.yaml",
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"title": "Updating multiple values with a script"
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},
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{
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"location": "/write/#values-starting-with-a-hyphen-or-dash",
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"text": "The flag terminator needs to be used to stop the app from attempting to parse the subsequent arguments as flags: yq w -- my.path -3 will output my:\n path: -3",
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"title": "Values starting with a hyphen (or dash)"
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},
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{
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"location": "/write/#keys-with-dots",
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"text": "When specifying a key that has a dot use key lookup indicator. b:\n foo.bar: 7 yaml r sample.yaml 'b[foo.bar]' yaml w sample.yaml 'b[foo.bar]' 9 Any valid yaml key can be specified as part of a key lookup. Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
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"title": "Keys with dots"
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},
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{
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"location": "/delete/",
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"text": "yq d <yaml_file> <path_to_delete>\n\n\n\n\nTo Stdout\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n apples: green\n\n\n\n\nthen\n\n\nyq d sample.yaml b.c\n\n\n\n\nwill output:\n\n\nb:\n apples: green\n\n\n\n\nFrom STDIN\n\u00b6\n\n\ncat sample.yaml | yq d - b.c\n\n\n\n\nDeleting array elements\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: \n - 1\n - 2\n - 3\n\n\n\n\nthen\n\n\nyq d sample.yaml 'b.c[1]'\n\n\n\n\nwill output:\n\n\nb:\n c:\n - 1\n - 3\n\n\n\n\nDeleting nodes in-place\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n apples: green\n\n\n\n\nthen\n\n\nyq d -i sample.yaml b.c\n\n\n\n\nwill update the sample.yaml file so that the 'c' node is deleted\n\n\nMultiple Documents - delete from single document\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nsomething: else\nfield: leaveMe\n---\nb:\n c: 2\nfield: deleteMe\n\n\n\n\nthen\n\n\nyq w -d1 sample.yaml field\n\n\n\n\nwill output:\n\n\nsomething: else\nfield: leaveMe\n---\nb:\n c: 2\n\n\n\n\nMultiple Documents - delete from all documents\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nsomething: else\nfield: deleteMe\n---\nb:\n c: 2\nfield: deleteMeToo\n\n\n\n\nthen\n\n\nyq w -d'*' sample.yaml field\n\n\n\n\nwill output:\n\n\nsomething: else\n---\nb:\n c: 2\n\n\n\n\nNote that '*' is in quotes to avoid being interpreted by your shell.\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
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"title": "Delete"
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},
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{
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"location": "/delete/#to-stdout",
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"text": "Given a sample.yaml file of: b:\n c: 2\n apples: green then yq d sample.yaml b.c will output: b:\n apples: green",
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"title": "To Stdout"
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},
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{
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"location": "/delete/#from-stdin",
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"text": "cat sample.yaml | yq d - b.c",
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"title": "From STDIN"
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},
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{
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"location": "/delete/#deleting-array-elements",
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"text": "Given a sample.yaml file of: b:\n c: \n - 1\n - 2\n - 3 then yq d sample.yaml 'b.c[1]' will output: b:\n c:\n - 1\n - 3",
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"title": "Deleting array elements"
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},
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{
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"location": "/delete/#deleting-nodes-in-place",
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"text": "Given a sample.yaml file of: b:\n c: 2\n apples: green then yq d -i sample.yaml b.c will update the sample.yaml file so that the 'c' node is deleted",
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"title": "Deleting nodes in-place"
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},
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{
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"location": "/delete/#multiple-documents-delete-from-single-document",
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"text": "Given a sample.yaml file of: something: else\nfield: leaveMe\n---\nb:\n c: 2\nfield: deleteMe then yq w -d1 sample.yaml field will output: something: else\nfield: leaveMe\n---\nb:\n c: 2",
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"title": "Multiple Documents - delete from single document"
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},
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{
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"location": "/delete/#multiple-documents-delete-from-all-documents",
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"text": "Given a sample.yaml file of: something: else\nfield: deleteMe\n---\nb:\n c: 2\nfield: deleteMeToo then yq w -d'*' sample.yaml field will output: something: else\n---\nb:\n c: 2 Note that '*' is in quotes to avoid being interpreted by your shell.",
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"title": "Multiple Documents - delete from all documents"
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},
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{
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"location": "/delete/#keys-with-dots",
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"text": "When specifying a key that has a dot use key lookup indicator. b:\n foo.bar: 7 yaml r sample.yaml 'b[foo.bar]' yaml w sample.yaml 'b[foo.bar]' 9 Any valid yaml key can be specified as part of a key lookup. Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
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"title": "Keys with dots"
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},
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{
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"location": "/create/",
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"text": "Yaml files can be created using the 'new' command. This works in the same way as the write command, but you don't pass in an existing Yaml file. Currently this does not support creating multiple documents in a single yaml file.\n\n\nyq n <path> <new value>\n\n\n\n\nCreating a simple yaml file\n\u00b6\n\n\nyq n b.c cat\n\n\n\n\nwill output:\n\n\nb:\n c: cat\n\n\n\n\nCreating using a create script\n\u00b6\n\n\nCreate scripts follow the same format as the update scripts.\n\n\nGiven a script create_instructions.yaml of:\n\n\nb.c: 3\nb.e[0].name: Howdy Partner\n\n\n\n\nthen\n\n\nyq n -s create_instructions.yaml\n\n\n\n\nwill output:\n\n\nb:\n c: 3\n e:\n - name: Howdy Partner\n\n\n\n\nYou can also pipe the instructions in:\n\n\ncat create_instructions.yaml | yq n -s -\n\n\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
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"title": "Create"
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},
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{
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"location": "/create/#creating-a-simple-yaml-file",
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"text": "yq n b.c cat will output: b:\n c: cat",
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"title": "Creating a simple yaml file"
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},
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{
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"location": "/create/#creating-using-a-create-script",
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"text": "Create scripts follow the same format as the update scripts. Given a script create_instructions.yaml of: b.c: 3\nb.e[0].name: Howdy Partner then yq n -s create_instructions.yaml will output: b:\n c: 3\n e:\n - name: Howdy Partner You can also pipe the instructions in: cat create_instructions.yaml | yq n -s -",
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"title": "Creating using a create script"
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},
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{
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"location": "/create/#keys-with-dots",
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"text": "When specifying a key that has a dot use key lookup indicator. b:\n foo.bar: 7 yaml r sample.yaml 'b[foo.bar]' yaml w sample.yaml 'b[foo.bar]' 9 Any valid yaml key can be specified as part of a key lookup. Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
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"title": "Keys with dots"
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},
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{
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"location": "/convert/",
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"text": "Yaml to Json\n\u00b6\n\n\nTo convert output to json, use the --tojson (or -j) flag. This can only be used with the read command.\n\n\nGiven a sample.yaml file of:\n\n\nb:\n c: 2\n\n\n\n\nthen\n\n\nyq r -j sample.yaml b.c\n\n\n\n\nwill output\n\n\n{\"b\":{\"c\":2}}\n\n\n\n\nJson to Yaml\n\u00b6\n\n\nTo read in json, just pass in a json file instead of yaml, it will just work :)\n\n\ne.g given a json file\n\n\n{\"a\":\"Easy! as one two three\",\"b\":{\"c\":2,\"d\":[3,4]}}\n\n\n\n\nthen\n\n\nyq r sample.json\n\n\n\n\nwill output\n\n\na: Easy! as one two three\nb:\n c: 2\n d:\n - 3\n - 4",
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"title": "Convert"
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},
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{
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"location": "/convert/#yaml-to-json",
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"text": "To convert output to json, use the --tojson (or -j) flag. This can only be used with the read command. Given a sample.yaml file of: b:\n c: 2 then yq r -j sample.yaml b.c will output {\"b\":{\"c\":2}}",
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"title": "Yaml to Json"
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},
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{
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"location": "/convert/#json-to-yaml",
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"text": "To read in json, just pass in a json file instead of yaml, it will just work :) e.g given a json file {\"a\":\"Easy! as one two three\",\"b\":{\"c\":2,\"d\":[3,4]}} then yq r sample.json will output a: Easy! as one two three\nb:\n c: 2\n d:\n - 3\n - 4",
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"title": "Json to Yaml"
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},
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{
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"location": "/merge/",
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"text": "Yaml files can be merged using the 'merge' command. Each additional file merged with the first file will\nset values for any key not existing already or where the key has no value.\n\n\nyq m <yaml_file> <path>...\n\n\n\n\nTo Stdout\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data2.yaml file of:\n\n\na: other\nc:\n test: 1\n\n\n\n\nthen\n\n\nyq m data1.yaml data2.yaml\n\n\n\n\nwill output:\n\n\na: simple\nb: [1, 2]\nc:\n test: 1\n\n\n\n\nUpdating files in-place\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data2.yaml file of:\n\n\na: other\nc:\n test: 1\n\n\n\n\nthen\n\n\nyq m -i data1.yaml data2.yaml\n\n\n\n\nwill update the data1.yaml file so that the value of 'c' is 'test: 1'.\n\n\nOverwrite values\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data2.yaml file of:\n\n\na: other\nc:\n test: 1\n\n\n\n\nthen\n\n\nyq m -x data1.yaml data2.yaml\n\n\n\n\nwill output:\n\n\na: other\nb: [1, 2]\nc:\n test: 1\n\n\n\n\nOverwrite values with arrays\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data3.yaml file of:\n\n\nb: [2, 3, 4]\nc:\n test: 2\n other: true\nd: false\n\n\n\n\nthen\n\n\nyq m -x data1.yaml data3.yaml\n\n\n\n\nwill output:\n\n\na: simple\nb: [2, 3, 4]\nc:\n test: 2\n other: true\nd: false\n\n\n\n\nNotice that 'b' does not result in the merging of the values within an array. The underlying library does not\ncurrently handle merging values within an array.\n\n\nMultiple Documents - merge into single document\n\u00b6\n\n\nCurrently yq only has multi-document support for the \nfirst\n document being merged into. The remaining yaml files will have their first document selected.\n\n\nGiven a data1.yaml file of:\n\n\nsomething: else\n---\na: simple\nb: cat\n\n\n\n\nand data3.yaml file of:\n\n\nb: dog\n\n\n\n\nthen\n\n\nyq m -x -d1 data1.yaml data3.yaml\n\n\n\n\nwill output:\n\n\nsomething: else\n---\na: simple\nb: dog\n\n\n\n\nMultiple Documents - merge into all documents\n\u00b6\n\n\nCurrently yq only has multi-document support for the \nfirst\n document being merged into. The remaining yaml files will have their first document selected.\n\n\nGiven a data1.yaml file of:\n\n\nsomething: else\n---\na: simple\nb: cat\n\n\n\n\nand data3.yaml file of:\n\n\nb: dog\n\n\n\n\nthen\n\n\nyq m -x -d'*' data1.yaml data3.yaml\n\n\n\n\nwill output:\n\n\nb: dog\nsomething: else\n---\na: simple\nb: dog",
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"title": "Merge"
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|
},
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|
{
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"location": "/merge/#to-stdout",
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"text": "Given a data1.yaml file of: a: simple\nb: [1, 2] and data2.yaml file of: a: other\nc:\n test: 1 then yq m data1.yaml data2.yaml will output: a: simple\nb: [1, 2]\nc:\n test: 1",
|
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"title": "To Stdout"
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},
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|
{
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"location": "/merge/#updating-files-in-place",
|
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"text": "Given a data1.yaml file of: a: simple\nb: [1, 2] and data2.yaml file of: a: other\nc:\n test: 1 then yq m -i data1.yaml data2.yaml will update the data1.yaml file so that the value of 'c' is 'test: 1'.",
|
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"title": "Updating files in-place"
|
|
},
|
|
{
|
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"location": "/merge/#overwrite-values",
|
|
"text": "Given a data1.yaml file of: a: simple\nb: [1, 2] and data2.yaml file of: a: other\nc:\n test: 1 then yq m -x data1.yaml data2.yaml will output: a: other\nb: [1, 2]\nc:\n test: 1",
|
|
"title": "Overwrite values"
|
|
},
|
|
{
|
|
"location": "/merge/#overwrite-values-with-arrays",
|
|
"text": "Given a data1.yaml file of: a: simple\nb: [1, 2] and data3.yaml file of: b: [2, 3, 4]\nc:\n test: 2\n other: true\nd: false then yq m -x data1.yaml data3.yaml will output: a: simple\nb: [2, 3, 4]\nc:\n test: 2\n other: true\nd: false Notice that 'b' does not result in the merging of the values within an array. The underlying library does not\ncurrently handle merging values within an array.",
|
|
"title": "Overwrite values with arrays"
|
|
},
|
|
{
|
|
"location": "/merge/#multiple-documents-merge-into-single-document",
|
|
"text": "Currently yq only has multi-document support for the first document being merged into. The remaining yaml files will have their first document selected. Given a data1.yaml file of: something: else\n---\na: simple\nb: cat and data3.yaml file of: b: dog then yq m -x -d1 data1.yaml data3.yaml will output: something: else\n---\na: simple\nb: dog",
|
|
"title": "Multiple Documents - merge into single document"
|
|
},
|
|
{
|
|
"location": "/merge/#multiple-documents-merge-into-all-documents",
|
|
"text": "Currently yq only has multi-document support for the first document being merged into. The remaining yaml files will have their first document selected. Given a data1.yaml file of: something: else\n---\na: simple\nb: cat and data3.yaml file of: b: dog then yq m -x -d'*' data1.yaml data3.yaml will output: b: dog\nsomething: else\n---\na: simple\nb: dog",
|
|
"title": "Multiple Documents - merge into all documents"
|
|
}
|
|
]
|
|
} |