Cool tool: Linux字符画figlet

例如

echo "Hi Reboot" | figlet

 _   _ _   ____      _                 _   
| | | (_) |  _ \ ___| |__   ___   ___ | |_ 
| |_| | | | |_) / _ \ '_ \ / _ \ / _ \| __|
|  _  | | |  _ <  __/ |_) | (_) | (_) | |_ 
|_| |_|_| |_| \_\___|_.__/ \___/ \___/ \__|