--- IO.pipe

    pipe(2) [manual page] ¹ԤơߤˤĤʤä2Ĥ
    IO ֥ȤǤȤ֤ޤIO ֥
    Ȥκ˼Ԥ㳰 Errno::EXXX ȯޤ

    ͤϺǽǤɤ߹¦ǡǤ񤭹¦Ǥ

        p pipe = IO.pipe    # => [#<IO:0x401b90f8>, #<IO:0x401b7718>]
        pipe[1].puts "foo"
        p pipe[0].gets      # => "foo\n"

