match program

It turns out that there is this good thing, thanks to this blogger for sharing~
https://blog.csdn.net/wlx65003/article/details/51149196

The following is the .bat file, which is easy to use after writing it down:

duipa_single.bat

rand.exe > in.txt
my.exe < in.txt
std.exe < in.txt
my.exe < in.txt > myout.txt
std.exe < in.txt > stdout.txt
fc myout.txt stdout.txt
pause

duipai_while.bat

@echo off  
:loop  
    rand.exe > in.txt
    my.exe < in.txt > myout.txt
    std.exe < in.txt > stdout.txt
    fc myout.txt stdout.txt
if not errorlevel 1 goto loop  
pause
goto loop