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yq

List of commands for yq:

- yq
yq:ai:134d1 A lightweight and flexible command-line YAML processor

$ yq

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- yq
yq:tldr:38feb yq: Output the first element in a YAML file that contains only an array (v3).

$ yq read ${filename-yaml} '[0]'

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- yq
yq:tldr:699dd yq: Output a YAML file, in pretty-print format (v4+).

$ yq eval ${filename-yaml}

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- yq
yq:tldr:7aa22 yq: Merge two files and print to `stdout` (v4+).

$ yq eval-all 'select(filename == "${filename1-yaml}") * select(filename == "${filename2-yaml}")' ${filename1-yaml} ${filename2-yaml}

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- yq
yq:tldr:8366a yq: Merge two files and print to `stdout` (v3).

$ yq merge ${filename1-yaml} ${filename2-yaml} --colors

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- yq
yq:tldr:b7ff6 yq: Set (or overwrite) a key to a value in a file (v4+).

$ yq eval '.${key} = "${value}"' --inplace ${filename-yaml}

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explain this command
- yq
yq:tldr:c8061 yq: Output a YAML file, in pretty-print format (v3).

$ yq read ${filename-yaml} --colors

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- yq
yq:tldr:dc364 yq: Set (or overwrite) a key to a value in a file (v3).

$ yq write --inplace ${filename-yaml} '${key}' '${value}'

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- yq
yq:tldr:f0110 yq: Output the first element in a YAML file that contains only an array (v4+).

$ yq eval '.[0]' ${filename-yaml}

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