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Kernel$$DEFAULT_INPUT -> IO (18118)

• 1.8.7
• 1.9.2
• 1.9.3

• 変数

$< の別名 require "English" while line = $DEFAULT_INPUT.gets p line end # end of sample.rb

...$< の別名

require "English"
while line = $DEFAULT_INPUT.gets
p line
end
# end of sample.rb

ruby sample.rb < /etc/passwd
# => "hoge:x:500:501::/home/hoge:/bin/bash\n"
......

• Kernel$<