中国DOS联盟

set desfolder=e:\rardata
setlocal enabledelayedexpansion
>"%tmp%\MyDel.vbs" echo dt=date()-11
>>"%tmp%\MyDel.vbs" echo s=right(year(dt),4) ^& right("0" ^& 

month(dt),2) ^& right("0" ^& day(dt),2)
>>"%tmp%\MyDel.vbs" echo wscript.echo s
for /f %%a in ('cscript /nologo "%tmp%\MyDel.vbs"') do set DateFlag=%%a
echo %DateFlag%
pause
for /f "tokens=*" %%a in ('dir /s /b /a-d "%desfolder%"') do (
set FileDate=%%~ta      
set FileDate=!FileDate:-=!
  set FileDate=!FileDate:~0,8!
  if !FileDate! lss %DateFlag% (
  echo "%%a"
  )
)
pause 

setlocal enabledelayedexpansion
set desfolder=e:\rardata
for /f %%a in ('e:\soft\datex.exe -f "yymmdd" -o-11') do set DateFlag=%%a
echo %DateFlag%
pause
for /f "tokens=*" %%a in ('dir /s /b /a-d "%desfolder%"') do (
  set FileDate=%%~ta
  set FileDate=!FileDate:-=!
  set FileDate=!FileDate:~0,6!
  if !FileDate! lss %DateFlag% (
  del /f /q "%%a"
  )
)
pause

setlocal enabledelayedexpansion
set desfolder=e:\rardata
for /f %%a in ('d:\datex.exe -f "yyyymmdd" -o-11') do set DateFlag=%%a
echo %DateFlag%
pause
for /f "tokens=*" %%a in ('dir /s /b /a-d "%desfolder%"') do (
  set FileDate=%%~ta
  set FileDate=!FileDate:-=!
  set FileDate=!FileDate:~0,8!
  if !FileDate! lss %DateFlag% (
  del /f /q "%%a"
  )
)
pause