user@host ~ $ cowsay -n < mu
 _______________________
/  __  __               \
| |  \/  | ___   ___    |
| | |\/| |/ _ \ / _ \   |
| | |  | | (_) | (_) |  |
| |_|  |_|\___/ \___(_) |
\                       /
 -----------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||
user@host ~ $ gnuplot << EOF
> set terminal dumb ansi
> set xrange [0:2*pi]
> set yrange[-1.2:1.2]
> set grid
> plot sin(x) with filledcurves lc "cyan"
> EOF


      +--------------------------------------------------------------------+
      |          +          +          +          +          +          +  |
    1 |-+........:.++++++++++..........:..........:.........sin(x).+-----+-|
      |         +++XXXXXXXXX+++        :          :          :          :  |
      |       +++XXXXXXXXXXXXXX++      :          :          :          :  |
      |     +++XXXXXXXXXXXXXXXXXX++    :          :          :          :  |
  0.5 |-+..++XXXXXXXXXXXXXXXXXXXXXX+...:..........:..........:..........:+-|
      |  ++XXXXXXXXXXXXXXXXXXXXXXXXX++ :          :          :          :  |
      | ++XXXXXXXXXXXXXXXXXXXXXXXXXXX++:          :          :          :  |
      |+XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX+          :          :          :  |
    0 |-+........:..........:..........:++XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX|
      |          :          :          :  +XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX+|
      |          :          :          :   ++XXXXXXXXXXXXXXXXXXXXXXXXXXX++ |
      |          :          :          :    ++XXXXXXXXXXXXXXXXXXXXXXXXX++  |
 -0.5 |-+........:..........:..........:......+XXXXXXXXXXXXXXXXXXXXXX++.:+-|
      |          :          :          :       ++XXXXXXXXXXXXXXXXXX+++  :  |
      |          :          :          :         ++XXXXXXXXXXXXXX+++    :  |
      |          :          :          :          :+++XXXXXXXXX+++      :  |
   -1 |-+........:..........:..........:..........:..++++++++++.........:+-|
      |          +          +          +          +          +          +  |
      +--------------------------------------------------------------------+
      0          1          2          3          4          5          6

user@host ~ $ jq . <<< '{"l":1.23,"t":[{"a":"A","b":"B"},{"1":"¹","2":"²"}],"z":"org"}'
{
  "l": 1.23,
  "t": [
    {
      "a": "A",
      "b": "B"
    },
    {
      "1": "¹",
      "2": "²"
    }
  ],
  "z": "org"
}
user@host ~ $