[Iska]

Мои пять копеек:

Скрытый текст

Код:

@echo off
setlocal enableextensions enabledelayedexpansion

set sSourceFileName=sound
set sSourceFileExt=.mp3
set sSourceFile=%sSourceFileName%%sSourceFileExt%

set /a iCount = 1

if not exist "%sSourceFile%" (
	echo Source file [%sSourceFile%] not found.
	exit /b 1
)

:Repeat
	2>nul ren "%sSourceFile%" "%sSourceFileName%!iCount!%sSourceFileExt%" || (
		set /a iCount += 1
		goto :Repeat
	)

endlocal
exit /b 0