jq

jq is a lightweight and flexible command-line JSON processor.

• Homepage: https://stedolan.github.io/jq/
• Ubuntu: apt install jq

Examples

jq --help
jq . yourfile.json
jq -r . yourfile.json
jq length yourfile.json
jq keys yourfile.json

jq -r .YourReg.Yourfield yourfile.json

jq -r '. | .YourReg[].Yourfield.yoursubfiel'

jq '.[] | select(.color=="blue")' your_json_file.json

To merge:

jq -s '.[0] * .[1]' file1 file2

Related

• MongoDB
• ElasticSearch
• SQL
• yq
• mapfile -t arr < <(jq -r 'keys[]' yourfile.json)

Activities

• Read: https://stackoverflow.com/questions/tagged/jq?tab=Votes

See also

• jq, JSON, jq -r, jq -c, jid
• JSON, jq, jid, mlr, JWT, BSON, Miller, Content-type:, application/json, BadJSON, Webhook, jsonc, ndjson, import json, Google Custom Search JSON API, jsonpath, JSON-LD, JSON tree, JSON-RPC