>>660
ありがとうございます。
しかし、↓こんな感じで、エラーになります

C:\a>ruby t12.rb
C:/Program Files/Ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:918:in `connect': SSL_con
nect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verif
y failed (OpenSSL::SSL::SSLError)
from C:/Program Files/Ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:918:in `bloc
k in connect'
from C:/Program Files/Ruby-2.0.0/lib/ruby/2.0.0/timeout.rb:52:in `timeou
t'
from C:/Program Files/Ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:918:in `conn
ect'
from C:/Program Files/Ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:862:in `do_s
tart'
from C:/Program Files/Ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:851:in `star
t'
from C:/Program Files/Ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:1367:in `req
uest'
from C:/Program Files/Ruby-2.0.0/lib/ruby/2.0.0/net/http.rb:1126:in `get
'
from t12.rb:3:in `block in <main>'
from t12.rb:3:in `each'
from t12.rb:3:in `<main>'