#!/usr/bin/env bash

width="$(tput cols)"
width=$((width / 4))

printf "$width"

printf "\e[32m\n"
while :
do
  for ((i=1;i<=width;i++))
  do
    ((r = $RANDOM % 2))
    if (($RANDOM % 5 == 1))
    then
      if (($RANDOM % 4 == 1))
      then
        v+="\e[1m $r   "
      else
        v+="\e[2m $r   "
      fi
    else
      v+="     "
    fi
  done
  printf "$v\n"
  v=""
done
;;