for n in {-1..-9} do n=$( echo "scale=2; $n / 10" | bc -l ) y="$n" r=1 h=0 k=0 x=$( echo "scale=2;( sqrt( $r^2 - ( $y - $k )^2 ) ) + $h" | bc -l ) line=$( for (( n=0; n<=${x/\./}; n++)); do printf "%s" X; done ) for z in {1..5} do printf "%100s%-100s\n" "$line" "$line" done done | tail -r | tee >( tail -r )