󥿡ͥåȥɥᥤΥȥ꡼෿åȤΥ饹̾
IO饹Υ֥饹Ʊ
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Ȥñ˵ҤǤ褦ˤʤޤ桼Ϥ򤽤
ޤޥФžץϰʲΤ褦ˤʤޤ

  require "socket"

  port = if ARGV.size > 0 then ARGV.shift else 4444 end
  print port, "\n"

  s = TCPSocket.open("localhost", port)

  while gets
    s.write($_)
    print(s.gets)
  end
  s.close