@echo off
if %date:~0,2% neq 01 goto :eof
setlocal enabledelayedexpansion
set verfile=E:\Bat\VERSION.txt
set tmpfile=E:\Bat\VERSION.tmp
if exist %tmpfile% del /q %tmpfile%
for /f "delims=" %%a in (%verfile%) do (
set /a flag=0
echo %%a|>nul find /i "="&&set /a flag=1
if !flag!==1 (
for /f "tokens=1-2 delims==" %%i in ("%%a") do (
if %%i==CONFIG_VER (echo %%i=01%date:~3,2%%date:~-2%>>%tmpfile%) else (echo %%i=%%j>>%tmpfile%)
)
) else (
echo %%a>>%tmpfile%
))
copy /y %tmpfile% %verfile% >nul
del /f /q %tmpfile% >nul