おおかみ見つけちゃうぞ

説明とかは はてなの記述参照のこと。

サンプルURL:

getaddrinfo: hostname nor servname provided, or not known /usr/local/ruby/1.8/lib/ruby/1.8/net/http.rb:560:in `initialize' /usr/local/ruby/1.8/lib/ruby/1.8/net/http.rb:560:in `open' /usr/local/ruby/1.8/lib/ruby/1.8/net/http.rb:560:in `connect' /usr/local/ruby/1.8/lib/ruby/1.8/timeout.rb:53:in `timeout' /usr/local/ruby/1.8/lib/ruby/1.8/timeout.rb:101:in `timeout' /usr/local/ruby/1.8/lib/ruby/1.8/net/http.rb:560:in `connect' /usr/local/ruby/1.8/lib/ruby/1.8/net/http.rb:553:in `do_start' /usr/local/ruby/1.8/lib/ruby/1.8/net/http.rb:542:in `start' /usr/local/ruby/1.8/lib/ruby/1.8/open-uri.rb:242:in `open_http' /usr/local/ruby/1.8/lib/ruby/1.8/open-uri.rb:616:in `buffer_open' /usr/local/ruby/1.8/lib/ruby/1.8/open-uri.rb:164:in `open_loop' /usr/local/ruby/1.8/lib/ruby/1.8/open-uri.rb:162:in `catch' /usr/local/ruby/1.8/lib/ruby/1.8/open-uri.rb:162:in `open_loop' /usr/local/ruby/1.8/lib/ruby/1.8/open-uri.rb:132:in `open_uri' /usr/local/ruby/1.8/lib/ruby/1.8/open-uri.rb:518:in `open' /usr/local/ruby/1.8/lib/ruby/1.8/open-uri.rb:30:in `open' expectbayes.rb:181 expectbayes.rb:179:in `each' expectbayes.rb:179 /usr/local/ruby/1.8/lib/ruby/1.8/pstore.rb:322:in `transaction' /usr/local/ruby/1.8/lib/ruby/1.8/pstore.rb:321:in `catch' /usr/local/ruby/1.8/lib/ruby/1.8/pstore.rb:321:in `transaction' expectbayes.rb:177