log_youtube_analyzer.rb

# THIS SNIPPET OPEN A LOG FILE THEN 
# SEARCH FOR YOUTUBE LINKS AND GET ALL VIDEO TITLES.

require 'rubygems'
require 'hpricot'
require 'fileutils'
require 'open-uri'
youtube_xml_url = "http://gdata.youtube.com/feeds/api/videos/"
youtube_url = "http://youtube.com/watch?v="

video_regexp = /youtube\.com\/watch\?v=([A-Za-z0-9\-_]*)/
videos = []
video_names = []

File.open('LOG_FILE.log') do |f|
  f.each_line do |line|
    video = line.match(video_regexp)
    if video
      videos.push(video[1])
    end
  end
end

videos.each do |video|
  video_xml_url = youtube_xml_url+video
  video_youtube_url = youtube_url+video
  begin 
    document = Hpricot(open(video_xml_url).read)
    video_name = document.search("media:title")[0].inner_html
    video_names.push(video_name)
    puts "#{video_name} : #{video_youtube_url}"
  rescue OpenURI::HTTPError 
    puts "Erro ao abrir o video: #{video_youtube_url}\n"
  end
end