#!/bin/bash
p=\>\>14 e=echo\ -ne\  S=(f i p s b o x @) I=-16384 t=/tmp/m$$; for x in {1..13}; do R=-32768; for y in {1..80}; do B=0 r=0 s=0 j=0 i=0; while [ $((B++)) -lt 32 -a $(($s*$j)) -le 1073741824 ];do s=$(($r*$r$p)) j=$(($i*$i$p)) t=$(($s-$j+$R)); i=$(((($r*$i)$p-1)+$I)) r=$t;done;if [ $B -ge 32 ];then $e\ ;else $e"\E[01;$(((B+3)%8+30))m${S[$((C++%8))]}"; fi;R=$((R+512));done; $e "\E[m\E(\r\n";I=$((I+1311)); done|tee $t;head -n 12 $t| tac # Thanks and Respect to BruXy http://bruxy.regnet.cz/web/linux/EN/mandelbrot-set-in-bash/