@echo on Cd /d D:\ setlocal enabledelayedexpansion set "file=new.bat" for /F "tokens=1,* delims==" %%i in ('findstr "V2=" new.bat') do ( set "versionVar=%%~i" set "versionVal=%%~j" set "string=%versionVal:~2,1%" set "abc=ip" set /a sequence=%string% + 1 echo %sequence% ) for /f "tokens=1,*delims=]" %%i in ('type "%file%" ^| find /v /n "" ^& break^>%file%') do ( set "line=%%j" if "!line!" == "!versionVar!=!versionVal!" set line=!versionVar!=!sequence! echo(!line!>>!file! ) pause
set /a "sequence=string+1"
var
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