jq & yq

Command-line JSON and YAML processing.

jq Fundamentals

Extract Values

# Get field / nested field
echo '{"name":"John","age":30}' | jq '.name'
echo '{"user":{"name":"John"}}' | jq '.user.name'

# Array element
echo '[1,2,3]' | jq '.[0]'

# Multiple fields
echo '{"a":1,"b":2,"c":3}' | jq '{a,b}'