job simulation.rb

String.class_eval do
  COLORS =  {
      white:    "\033[37m",
      yellow:   "\033[33m",
      green:    "\033[32m",
      blue:     "\033[34m",
      cyan:     "\033[36m",
      red:      "\033[31m",
      magenta:  "\033[35m",
      black:    "\033[30m"
    }
  OFFCOLOR = "\033[0,0m"

  def colorize
    "#{COLORS[COLORS.keys.sample]}#{self}#{OFFCOLOR}"
  end
end
loop { s = rand(500..1000).times.map { 10.times.map { rand(40..140).chr }.join('').colorize }.join(''); puts s; sleep(0.04) }