jo binary package in Ubuntu Oracular amd64

 jo creates a JSON string on stdout from words given it as arguments
 or read from stdin. It can generate both arrays and objects. Here is
 a short example:
 .
  $ jo -p name=jo n=17 parser@0
  {
     "name": "jo",
     "n": 17,
     "parser": false
  }

Source package