#!/usr/bin/env ruby
 require "socket"
 require "dl/import"
 module Win32
 　extend DL::Importable
 　
 　typealias "DWORD", "unsigned long"
 　typealias "BYTE", "unsigned char"
 　typealias "ULONG", "unsigned long"
 　
 　KEYEVENTF_KEYUP = 0x02
 　VK_SHIFT = 0x10
 　VK_A = 0x41
 　VK_SPACE = 0x20
 　VK_BACKSPACE = 0x08
 　
 　dlload "user32.dll"
 　extern "void keybd_event(BYTE, BYTE, DWORD, ULONG)"
 　
 　def send_keybd_event(bVk, dwFlags = 0)
 　　keybd_event(bVk, 0, dwFlags,0)
 　end
 　module_function :send_keybd_event
 end
 serverhost = 'localhost'
 port = 4321
 socket = TCPSocket.new(serverhost, port)
 prevval0 = 0
 prevval2 = 0
 while line = socket.gets
 　(io,device,ad,portno,val) = line.chomp.split(/,/)
 　if io == 'In' && device == 'InterfaceKit' && 
 　　　ad = 'Analog' && portno.to_i == 0 then
 　　　if val.to_i > 100　&& prevval0 < 100 then
 　　　Win32.send_keybd_event(Win32::VK_SPACE)
 　　　Win32.send_keybd_event(Win32::VK_SPACE,
 　　　　　　　　　　　Win32::KEYEVENTF_KEYUP)
 　　end
 　　prevval0 = val.to_i
 　end
   ...