#!/bin/bash
# WTF ;)

wtf()
{
	tput cup $(($RANDOM % $1)) $(($RANDOM % $2))
	tput setaf $(($RANDOM % 8))
	echo -n $(($RANDOM % 2))
}

sig_int_trap()
{
	tput sgr0
	tput cnorm
	exit 0
}

init()
{
	trap sig_int_trap SIGINT
	tput civis
}

height=$(tput lines)
width=$(tput cols)

init && while true; do wtf $height $width; done