For other versions, see 1.7, 1.6, 1.5, 1.4, 1.3 or development version. 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 c