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@echo off for /f "delims=" %%a in ('dir /s/b/ad') do ( for /f "delims=" %%b in ('dir /b "%%a"\*.txt') do ( ren "%%a\%%b" "%%~na%%~xb" ) )
@echo off & SetLocal EnableDelayedExpansion for /f "delims=" %%a in ('dir /s/b/ad') do ( set num=1000 for /f "delims=" %%b in ('dir /b "%%a"\*.txt') do ( set /a num+=1 ren "%%a\%%b" "%%~na-!num:~-3!%%~xb" ) )