Fish shell MOTD with lolcat and cowsay

Setting fish shell message of the day with all the crazy stuff you need for a daily work:

function fish_greeting
     set -l toon (random choice {default,bud-frogs,dragon,dragon-and-cow,elephant,moose,stegosaurus,tux,vader})
         fortune -s | cowsay -f $toon | lolcat
 end

Full version: https://gist.github.com/angstbear/a0499e955ecf282c06c4a7dd9cb8bd35