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jq: clarify descriptions (#1361)

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Waldir Pimenta 2017-05-04 09:35:38 +01:00 • committed by GitHub
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pages/common/jq.md
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@ -2,26 +2,26 @@
> A lightweight and flexible command-line JSON processor.
- Output JSON file:
- Output a JSON file, in pretty-print format:
`cat {{file}} | jq`
- Output all elements from JSON array in file, or all key-value pairs from JSON objects in file:
- Output all elements from arrays (or all key-value pairs from objects) in a JSON file:
`cat {{file}} | jq .[]`
- Read JSON objects from file, into array, and output (inverse of `jq .[]`):
- Read JSON objects from a file into an array, and output it (inverse of `jq .[]`):
`cat {{file}} | jq --slurp`
- Output first element in JSON file:
- Output the first element in a JSON file:
`cat {{file}} | jq .[0]`
- Output "key" of first element in JSON file:
- Output the value of a given key of the first element in a JSON file:
`cat {{file}} | jq .[0].{{key}}`
`cat {{file}} | jq .[0].{{key_name}}`
- Output "key" of each element in JSON file:
- Output the value of a given key of each element in a JSON file:
`cat {{file}} | jq 'map(.{{key}})'`
`cat {{file}} | jq 'map(.{{key_name}})'`