require 'open-uri' print open('https://なまえ:ぱすわーど@mail.google.com/mail/feed/atom').read 実行してみます。 % ruby a.rb /usr/lib/ruby/1.8/open-uri.rb:583:in `proxy_open': open-uri doesn't support https. (ArgumentError) from /usr/lib/ruby/1.8/open-uri.rb:525:in `direct_open' from /usr/lib/ruby/1.8/open-uri.rb:169:in `open_loop' from /usr/lib/ruby/1.8/open-uri.rb:164:in `catch' from /usr/lib/ruby/1.8/open-uri.
