看不懂...只看懂cd..

@echo off
cd ..
:again
set ret=0
for /d %%a in (*REM-*) do (
set /a "ret=ret+1"
)
echo %ret%
if %ret% EQU 0 (
echo hola
pause
)
for /d %%a in (*REM-*) do @rd /S /Q "%%a"
goto again