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Manipulate Date

By: Wahine

The following batch script (incorporating VB script) allows for the date components Year Month Date to be extracted without knowing the Date format in advance. It can also extract a date + or - a given number of days from today's date.

Usage - at the command prompt enter
filename to extract today's date
filename +20 to show the date 20 days from today
filename -20 to show the date 20 days ago
filename +200 to show the date 200 days from today
filename -200 to show the date 200 days ago

:: Code begins...
set newfile=%temp%\date.vbs
echo otherdate = (Date()%1)>%newfile%
echo   yy = datePart("yyyy", otherdate)>>%newfile%
echo   mm = datePart("m"   , otherdate)>>%newfile%
echo   dd = datePart("d"   , otherdate)>>%newfile%

echo wscript.echo yy^&" "^&mm^&" "^&dd>>%newfile%

FOR /F "tokens=1-3" %%A in ('cscript //nologo %newfile%') do (
        set year=%%A
        set month=%%B
        set day=%%C

)
del %temp%\date.vbs

        if %month% lss 10 set month=0%month%
        if %day%   lss 10 set day=0%day%

echo Year-Month-Day = %year%-%month%-%day%
:: Code ends...