[Iska]

Код:

@echo off
setlocal enableextensions enabledelayedexpansion

for /f "usebackq delims=" %%i in (
	`where.exe /r "C:\" "kakoytofile.txt"`
) do set sPath=%%~dpi

if defined sPath >"%sPath%\helloworld.txt" echo Hello

endlocal
exit /b 0