31 (04.12.2013 17:17:30 отредактировано kom-pik)

#!/bin/bash
echo -e "\033[2J\033[?25l"; R=`tput lines` C=`tput cols`;: $[R--] ; while true 
do ( e=echo\ -e s=sleep j=$[RANDOM%C] d=$[RANDOM%R];for i in `eval $e {1..$R}`;
do c=`printf '\\\\0%o' $[RANDOM%57+33]` 
$e "\033[$[i-1];${j}H\033[32m$c\033[$i;${j}H\033[37m"$c; $s 0.1;if [ $i -ge $d ]
then $e "\033[$[i-d];${j}H ";fi;done;for i in `eval $e {$[i-d]..$R}`; 
do echo -e "\033[$i;${j}f ";$s 0.1;done)& sleep 0.05;done