@echo off&Setlocal EnableDelayedExpansion

for /r %%i in (.) do (
set n=100
for /f "delims=" %%a in (' dir /b "%%i\*.jpg"') do (
set /a n+=1
ren "%%i\%%a" "%%~ni"-(!n:~1!")"%%~xa
)
)
pause
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@echo off
cd /d j:\
for /r %%i in (*) do (
    for /f "delims=\" %%a in ("%%~pi") do echo ren %%~si "%%a%%~xi"
)
pause
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@echo off
for %%a in (jpg ai eps rar) do (
   for %%b in ('dir /s /a-d /b "J:\*.%%a"') do (
      for %%c in ("%%~pb\.") do ren "%%b" "%%~nxc.jpg"
   )
)
pause
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