stupid ruby script

get_gameboy_music.rb

#!/usr/bin/ruby -w
require 'open-uri'

# looks to see if you're a link to a chiptune
# if so, returns the chiptune url and the name of the chiptune.
# if not, returns nil.
def get_url(line)
  return line.match(%r{<td align="left"><a href="(.*)">(.*)</a></td>}) ? [$1,$2] : nil
end

open('http://www.zophar.net/music/gbs.html') do |index|
  index.each_line do |line|
    url = get_url(line)
    if url
      open(url[0]) do |music_page|
        music_page.each_line do |line2|
          download = get_url(line2)
          if download
            `wget '#{download[0]}' -O 'gbs/#{url[1]}.gbs'`
          end
        end
      end
    end
  end
end