tldr/pages/common/jq.md

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 expression only using the jq binary (print a colored and formatted JSON output):

jq '.' {{/path/to/file.json}}

• 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", ...}}}'