$ echo '[{"name":"John","age":30},
         {"name":"Alice","age":25},
         {"name":"Bob","age":50}]' | jsqry 'name'
[
  "John",
  "Alice",
  "Bob"
]

$ echo '[{"name":"John","age":30},
         {"name":"Alice","age":25},
         {"name":"Bob","age":50}]' | jsqry -1 'name'
"John"

$ echo '[{"name":"John","age":30},{"name":"Alice","age":25},{"name":"Bob","age":50}]' \
    | jsqry '[ _.age>=? && _.name.toLowerCase().startsWith(?) ]' --arg 30 --arg-str joh 
[
  {
    "name": "John",
    "age": 30
  }
]

$ echo '[{"name":"John","age":30},{"name":"Alice","age":25},{"name":"Bob","age":50}]' | jsqry
[
  {
    "name": "John",
    "age": 30
  },
  {
    "name": "Alice",
    "age": 25
  },
  {
    "name": "Bob",
    "age": 50
  }
]

$ echo '[1,2,3,4,5]' | jsqry '[_>2] {_+100} s(-_) [-2:]'
[
  104,
  103
]

$ echo '["HTTP://EXAMPLE.COM/123", 
         "https://www.Google.com/search?q=test", 
         "https://www.YouTube.com/watch?v=_OBlgSz8sSM"]' | jsqry '{ _.match(/:\/\/([^\/]+)\//)[1].toLowerCase() }'
[
  "example.com",
  "www.google.com",
  "www.youtube.com"
]

$ jsqry
jsqry ver. 0.1.2
Usage: echo $JSON | jsqry 'query'
 -1,--first     return first result element
 -h,--help      print help and exit
 -v,--version   print version and exit
 -c,--compact   compact output (no pretty-print)
 -u,--unquote   unquote output string(s)
 -as ARG,
 --arg-str ARG  supply string query argument
 -a ARG,
 --arg ARG      supply query argument of any other type