批处理，计算日期( 实用winxp win2003)
批处理，计算日期( 适用winxp win2003)
@echo off
Rem 天数， 删除N天前的文件数据
set N=16
Rem 获取N天前的日期
@echo off
echo wscript.echo dateadd("d",-%N%,date) >%tmp%\tmp.vbs
for /f "tokens=1,2,3* delims=-" %%i in ('cscript /nologo %tmp%\tmp.vbs') do (
set "yyyy=%%i"
set "mm=%%j"
set "dd=%%k"
)
if %mm% LSS 10 set "mm=0%mm%"
if %dd% LSS 10 set "dd=0%dd%"
set oldyyyymmdd=%yyyy%%mm%%dd%
echo %oldyyyymmdd%
pause