Download all railscasts.com videos

all.rb

require 'nokogiri'
require 'open-uri'

# Downloads all free railscasts.com screencasts in current directory
# just `ruby all.rb` and you're done
# if you want another format change it from m4v at the end of line 11
(202..360).each do |i|
	puts i
	doc = Nokogiri::HTML(open("http://railscasts.com/episodes/#{i}"))
	doc.css('//a').each do |a|
		system("wget -c -t0 --timeout=2 #{a['href']}") if a['href'] =~ /.+m4v$/
	end
end