ruby_conf_vids.rb

require 'rubygems'
require 'open-uri'
vids = []
f = open('http://feeds.feedburner.com/Rubyconf2008-Confreaks')
f.each do |l|
  l =~ /enclosure url=\"([^\"]+)"/
  vids << $1
end

vids.compact!.uniq!

vids.each do |vid|
  next if File.exist?(vid.split('/').last)
  puts "Downloading #{vid}"
  `wget #{vid}`
end