Cowsay

cowsay generates an ASCII picture of a cow saying something provided by the user. If run with no arguments, it accepts standard input, word-wraps the message given at about 40 columns, and prints the cow saying the given message on standard output.

Example usage

$ echo "Hello, world!" | cowsay
$ cowsay -f beavis.zen Hello
$ fortune | cowsay
$ fortune | cowsay | lolcat
$ for i in /usr/share/cowsay/cows/*.cow; do cowsay -f $i "$i"; done # show all cows