[Iska]

Код:

@echo off
setlocal enableextensions enabledelayedexpansion

for /f "usebackq tokens=2 delims=- " %%i in (`2^>nul dir /b /a:-d "%~dp0Sleep - *."`) do set /a iDelay = %%i * 60

if defined iDelay (
	timeout.exe /t %iDelay% /nobreak
	del "block."
)

endlocal
exit /b 0