ruby_conf_vids.rb

require "rubygems"
require "hpricot"
require "open-uri"
 
url = "http://feeds.feedburner.com/Rubyconf2008-Confreaks"
 
(Hpricot(open url)/:enclosure).map {|x| x.attributes["url"]}.uniq.each do |vid|
  filename = vid.gsub(/http:.+\//, '') 
  filename.gsub!(/-/, "_")
  next if File.exist?(filename)

  puts "Downloading #{vid}"
  puts filename
  `curl -L #{vid} > #{filename}`
end