# jq > A command-line JSON processor that uses a domain-specific language (DSL). > More information: . - 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", ...}}}'`