require 'rubygems'
require 'RMagick'
include Magick

ARGV.each do |filename|
  File.open(filename, "rb") do |f|
    (columns, rows) = f.gets.split(" ").map { |v| v.to_i }
    pixels = f.read
    image = Image.new(columns, rows)
    image.import_pixels(0, 0, columns, rows, "I", pixels, CharPixel)
    new_filename = filename.gsub(/\.txt/, '')
    image.write(new_filename)
  end
end