@echo off
if "%1"=="a" goto a
set code=%random%
title 通过后台通信，来知道对方“挂”了没
echo.
echo  此批处理由raymai97制作
echo.
echo  按任意键继续……
echo.
pause>nul
start /b "" %0 a %code%>nul
echo  请等待……
ping -n 2 127.1>nul
:b
cls
if exist %code%.tmp call :d
if "%dead%"=="0" echo 它还没有死…… 创建%code%.godie来让它死
if "%dead%"=="1" echo 它死掉了……&if exist %code%.godie erase /f /q %code%.godie
echo.
echo 按任意键刷新…… dead变量为%dead%
echo.
pause>nul
goto b
:a
set code=%2
if "%code%"=="" exit
:c
if not exist %code%.tmp echo %random%>%code%.tmp
if exist %code%.godie exit
goto c
:d
erase /f /q %code%.tmp
ping -n 1 127.1>nul
if not exist %code%.tmp (set dead=1) else (set dead=0)
exit /b
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