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Co-authored-by: Dylan <145150333+dmmqz@users.noreply.github.com> Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
36 lines
1.1 KiB
Markdown
36 lines
1.1 KiB
Markdown
# yq
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> A lightweight and portable YAML processor.
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> More information: <https://mikefarah.gitbook.io/yq/>.
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- Output a YAML file, in pretty-print format (v4+):
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`yq eval {{path/to/file.yaml}}`
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- Output a YAML file, in pretty-print format (v3):
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`yq read {{path/to/file.yaml}} {{[-C|--colors]}}`
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- Output the first element in a YAML file that contains only an array (v4+):
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`yq eval '.[0]' {{path/to/file.yaml}}`
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- Output the first element in a YAML file that contains only an array (v3):
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`yq read {{path/to/file.yaml}} '[0]'`
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- Set (or overwrite) a key to a value in a file (v4+):
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`yq eval '.{{key}} = "{{value}}"' {{[-i|--inplace]}} {{path/to/file.yaml}}`
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- Set (or overwrite) a key to a value in a file (v3):
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`yq write {{[-i|--inplace]}} {{path/to/file.yaml}} '{{key}}' '{{value}}'`
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- Merge two files and print to `stdout` (v4+):
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`yq eval-all 'select(filename == "{{path/to/file1.yaml}}") * select(filename == "{{path/to/file2.yaml}}")' {{path/to/file1.yaml}} {{path/to/file2.yaml}}`
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- Merge two files and print to `stdout` (v3):
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`yq merge {{path/to/file1.yaml}} {{path/to/file2.yaml}} {{[-C|--colors]}}`
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