jq

Personal jq expression language reference

• create custom output with string interpolation from array of objects

.[] | "\(.var1) \(.var2)"

• count number of elements in array

.[] | length

• loop an array and run command for each element

jq -c '.[]' input.json | while read i; do
done

• filter an array of object based on a parameter

jq '.[] | select(.param_name) | "\(.param_to_print)"'