[Iska]

Код:

@echo off
setlocal enableextensions enabledelayedexpansion

set /a num = 100

for /f "tokens=1 delims=" %%i in (list.txt) do (
	reg.exe export %%i .\!num!.reg
	set /a num += 1
	echo !num!
)

set /a num += 1
echo %num%

pause