For released versions, see jq 1.7, jq 1.6, jq 1.5, jq 1.4 or jq 1.3. A jq program is a "filter": it takes an input, and produces an output. There are a lot of builtin filters for extracting a particular field of an object, or converting a number to a string, or various other standard tasks. Filters can be combined in various ways - you can pipe the output of one filter into another filter, or coll