ruby-youtube-downloader

ruby-youtube-downloader.rb

#!/usr/bin/env ruby
 
require 'cgi'
 
def video_token(video_id)
  token = CGI.parse(%x!curl http://www.youtube.com/get_video_info?video_id=#{video_id}!)['token'][0]
end
 
def video_id(url)
  CGI.parse(url.split('?')[1])['v']
end
 
url = ARGV[0]
 
download = "http://youtube.com/get_video?t=#{video_token(video_id(url))}&video_id=#{video_id(url)}&asv=2"
 
%x!/usr/bin/env curl -L -C - -o test '#{download}'!