Will slurp media attached to audio/video podcasts.

podcast_slurp.rb

#!/usr/bin/env ruby
# Will slurp all the media attached to a audio/video podcasts. USAGE:
#
#     ruby -rrubygems podcast_slurp.rb http://feeds.feedburner.com/railscasts railscasts

$VERBOSE = true

require 'open-uri'
require 'nokogiri'

rss = Nokogiri::XML(open(ARGV.first))
rss.search('item enclosure').collect do |e|
  output = File.join ARGV.last, File.basename(e['url'])
  File.open(output, 'wb') {|f| f << open(e['url'], 'rb').read}
end