lilith/tldr
1
0
Fork 0
mirror of https://github.com/tldr-pages/tldr.git synced 2025-08-16 22:35:44 +02:00
Code Activity

jq: clarify descriptions (#1361)

Browse source
This commit is contained in:
Waldir Pimenta 2017-05-04 09:35:38 +01:00 • committed by GitHub
parent 776fdcf77a
commit 7ca686634d
1 changed files with 8 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
pages/common/jq.md
View file

@ -2,26 +2,26 @@
> A lightweight and flexible command-line JSON processor. > A lightweight and flexible command-line JSON processor.
- Output JSON file: - Output a JSON file, in pretty-print format:
`cat {{file}} | jq` `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 .[]` `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` `cat {{file}} | jq --slurp`
- Output first element in JSON file: - Output the first element in a JSON file:
`cat {{file}} | jq .[0]` `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}})'`