rage.rb

def place_text(text)
  x = 130
  y = 70
  message = text.tr("abcdefghijklmnopqrstuvwxyz","nopqrstuvwxyzabcdefghijklm")
  parts = message.scan(/.{16}/) #rot13

  text_params = parts.map.with_index { |m, i|
    y_pos = y + (i*10)
    [i, x, y_pos]
    "-fill orange -draw \"text #{x},#{y_pos} '#{m}'\""
  }

  output_file_base = text.tr("^A-Za-z0-9",'_')
  output_file = "#{output_file_base}.png"

  command = "convert donald.png #{text_params.join(' ')} #{output_file}"
  `#{command}`
  `open #{output_file}`
end

place_text "I am so awesome. Love me, I promise you won't regret it"