[Georgio]

n1gt, попробуйте:

Код:

@echo off
setlocal

set "ext=.txt/.log/.dat"

for /f "skip=1" %%i in ('wmic LogicalDisk where "DriveType=3 or DriveType=2" get Name') do (
    for %%j in (%%i) do (
        for /f "delims=" %%k in ('2^>nul dir %%j\ /a-d /b /s^| findstr /e /i /l /c:"%ext:/=" /c:"%"') do (
            >>del2.log echo del /a /f "%%k"
        )
    )
)

endlocal
exit /b

.