Script to pulldown all the Ruby Rogue Podcast MP3s as only the latest 50 are in their feed

rr_sluper.rb

#!/usr/bin/env ruby 

require 'nokogiri'
require 'open-uri'

index = Nokogiri::HTML(open('http://rubyrogues.com/episode-guide/'));

index.css('a[rel=bookmark]').each do |link|
  podcast = Nokogiri::HTML(open(link['href']));
  title = podcast.css('.entry-title').text
  clean_title = title.gsub(/[^a-zA-Z0-9]/, '-') + '.mp3'
  clean_title.gsub!(/-{2,}/, '-')
  download_link = podcast.css('a[title=Download]')
  %x[wget -O '#{clean_title}' '#{download_link[0]['href']}']
end