中国DOS联盟

@echo off
rem 该批处理只适用于文件夹以日期命名的情况
rem 删除三天前的文件夹
rem 目标目录为C:\test
set Target=C:\test
dir /b %Target%>%temp%\FolderList.txt
echo dt=date()-3>%temp%\OldDate.vbs
echo s=right(year(dt),4) ^& right("0" ^& month(dt),2) ^&  right("0" ^& day(dt),2)>>%temp%\OldDate.vbs
echo wscript.echo s>>%temp%\OldDate.vbs
for /f %%f in ('cscript /nologo %temp%\OldDate.vbs') do @set DelFlag=%%f
for /f %%i in (%temp%\FolderList.txt) do (
  if %%i lss %DelFlag% (
    rd /s /q %Target%\%%i
    )
  )
del %temp%\FolderList.txt
del %temp%\OldDate.vbs