source: EcnlProtoTool/trunk/prototool/src/echo_client.rb@ 321

host = if ARGV[0] then ARGV[0] else 'localhost' end
port = if ARGV[1] then ARGV[1] else 'echo' end
sock = TCPSocket.open(host, port)

while msg = STDIN.gets
        print("you writed:", msg)
        #socketに書き込む
        sock.write(msg)
        #サーバから返ってきたメッセージを表示する。
        print("return message:", sock.gets)
end
sock.close