mirror of https://github.com/CrimsonTome/tldr.git
33 lines
854 B
Markdown
33 lines
854 B
Markdown
# jq
|
|
|
|
> A JSON processor that uses a domain-specific language (DSL).
|
|
> More information: <https://jqlang.github.io/jq/manual/>.
|
|
|
|
- Execute a specific expression (print a colored and formatted JSON output):
|
|
|
|
`{{cat path/to/file.json}} | jq '.'`
|
|
|
|
- Execute a specific script:
|
|
|
|
`{{cat path/to/file.json}} | jq --from-file {{path/to/script.jq}}`
|
|
|
|
- Pass specific arguments:
|
|
|
|
`{{cat path/to/file.json}} | jq {{--arg "name1" "value1" --arg "name2" "value2" ...}} '{{. + $ARGS.named}}'`
|
|
|
|
- Print specific keys:
|
|
|
|
`{{cat path/to/file.json}} | jq '{{.key1, .key2, ...}}'`
|
|
|
|
- Print specific array items:
|
|
|
|
`{{cat path/to/file.json}} | jq '{{.[index1], .[index2], ...}}'`
|
|
|
|
- Print all array/object values:
|
|
|
|
`{{cat path/to/file.json}} | jq '.[]'`
|
|
|
|
- Add/remove specific keys:
|
|
|
|
`{{cat path/to/file.json}} | jq '. {{+|-}} {{{"key1": "value1", "key2": "value2", ...}}}'`
|