77七

@echo off
md a b
for /l %%l in (1,1,30000) do (
	cd.>a\%%l.x
	cd.>b\%%l.x
)
pause
echo %time%
del /s /q /f a\*.x 1>nul 2>nul
echo %time%
pause
echo %time%
rd /s /q b
echo %time%
pause
复制代码