RSSがWellformedかどうかを調べる

check_rss.rb

#coding: UTF-8
require 'rss'

class RSSChecker
  def initialize
    @blogs = 
      [
        "http://lifehack2ch.livedoor.biz/index.rdf",
        "http://www.scienceplus2ch.com/index.rdf",
        "http://blog.livedoor.jp/domesaka/index.rdf",
        "http://animalch.2chblog.jp/index.rdf",
        "http://feed.rssad.jp/rss/fc2/yaraon.blog109",
        "http://kanasoku.blog82.fc2.com/?xml",
        "http://2r.ldblog.jp/index.rdf",
        "http://chaos2ch.com/index.rdf",
        "http://hamusoku.com/index.rdf",
        "http://blog.esuteru.com/index.rdf",
        "http://blog.livedoor.jp/dqnplus/index.rdf",
        "http://alfalfalfa.com/index.rdf",
        "http://blog.livedoor.jp/news23vip/index.rdf",
        "http://news4vip.livedoor.biz/index.rdf",
        "http://bipblog.com/index.rdf",
        "http://www.google.co.jp", #Error
        "http://mudainodqnment.ldblog.jp/index.rdf",
        "http://blog.livedoor.jp/himasoku123/index.rdf",
        "http://blog.livedoor.jp/goldennews/index.rdf",
        "http://jin115.com/index.rdf"
      ]
  end
  
  def check
    @blogs.each do |url|
      begin
        rss = RSS::Parser.parse(url)
      rescue RSS::Error => e
        puts "#{e.class} : #{url}"
        next
      end
    end
  end
  
  if __FILE__ == $0
    new.check
  end
end