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jq CLI Cheat Sheet

Installation

sudo apt update
sudo apt install jq

winget install jqlang.jq

General Commands

Output a JSON file, in pretty-print format 

jq . file.json

Pretty-print API output 

curl example.org/api/v1/users | jq .

Output all elements from arrays (or all key-value pairs from objects) in a JSON file 

jq .[] file.json

Read JSON objects from a file into an array, and output it (inverse of jq .[]) 

jq --slurp . file.json

Output the first element in a JSON file 

jq .[0] file.json

Mapping & Transforming

Additional References

  1. https://jqlang.github.io/jq/ ↩

  2. https://github.com/jqlang/jq ↩