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發表者: 冷日 發表時間: 2017/6/26 6:34:21
How to get yesterday's date in batch file? [duplicate]
I use below code to get today's date and month (0411)
But I want to get yesterday's date in FileNameDatePrefix.
I am not sure how we can do this. Any suggestions are welcome.
Here is a batch file method using VBS which is robust in any locale
This code will only work on Vista and later, as robocopy is used to retrieve the date of today. But will avoid the problem of locale formats in the %date% variable, the administrator requirement of wmic and the temporary file of VBScript. Anyway, the subroutine that gets the today date can be replaced with any other code. The :getYesterdayDate will handle all the calcs to substract one day from today.
Here is one way:
You could try this:
原文出處:How to get yesterday's date in batch file? - Stack Overflow
I use below code to get today's date and month (0411)
For /f "tokens=2-4 delims=/ " %%a in ('date /t') do (set FileNameDatePrefix=%%a%%b)
But I want to get yesterday's date in FileNameDatePrefix.
I am not sure how we can do this. Any suggestions are welcome.
Here is a batch file method using VBS which is robust in any locale
:: yesterdays date
@echo off
set day=-1
echo >"%temp%\%~n0.vbs" s=DateAdd("d",%day%,now) : d=weekday(s)
echo>>"%temp%\%~n0.vbs" WScript.Echo year(s)^& right(100+month(s),2)^& right(100+day(s),2)
for /f %%a in ('cscript /nologo "%temp%\%~n0.vbs"') do set "result=%%a"
del "%temp%\%~n0.vbs"
set "YYYY=%result:~0,4%"
set "MM=%result:~4,2%"
set "DD=%result:~6,2%"
set "data=%yyyy%-%mm%-%dd%"
echo Yesterday was "%data%"
pause
This code will only work on Vista and later, as robocopy is used to retrieve the date of today. But will avoid the problem of locale formats in the %date% variable, the administrator requirement of wmic and the temporary file of VBScript. Anyway, the subroutine that gets the today date can be replaced with any other code. The :getYesterdayDate will handle all the calcs to substract one day from today.
@echo off
setlocal enableextensions enabledelayedexpansion
call :getYesterdayDate yesterday
echo %yesterday%
exit /b
:getYesterdayDate returnVar
setlocal enableextensions disabledelayedexpansion
call :getTodayDate today
for /f "tokens=1-3 delims=/ " %%a in ("%today%") do set /a "y=%%a", "m=1%%b-100", "d=1%%c-100"
if %d% gtr 1 ( set /a "d-=1" ) else (
if %m% equ 1 ( set /a "y-=1" , "m=12" ) else ( set /a "m-=1" )
set /a "d=30+((m+m/8) %% 2)"
if %m%==3 set /a "d=d-2+!(y%%4)-!(y%%100)+!(y%%400)"
)
set "d=0%d%" & set "m=0%m%"
endlocal & set "%~1=%y%/%m:~-2%/%d:~-2%" & exit /b
:getTodayDate returnVar
setlocal enableextensions disabledelayedexpansion
set "today=" & for /f %%a in ('robocopy "|" . /njh') do if not defined today set "today=%%a"
endlocal & set "%~1=%today%" & exit /b
Here is one way:
@echo off
setlocal
Call :GetDateTime Year Month Day
Echo %Year% %Month% %Day%
Call :AddSubtractDate %Year% %Month% %Day% -1 Ret
echo %Ret%
exit /b
:AddSubtractDate Year Month Day <+/-Days> Ret
::Adapted from DosTips Functions::
setlocal & set a=%4
set "yy=%~1"&set "mm=%~2"&set "dd=%~3"
set /a "yy=10000%yy% %%10000,mm=100%mm% %% 100,dd=100%dd% %% 100"
if %yy% LSS 100 set /a yy+=2000 &rem Adds 2000 to two digit years
set /a JD=dd-32075+1461*(yy+4800+(mm-14)/12)/4+367*(mm-2-(mm-14)/12*12)/12-3*((yy+4900+(mm-14)/12)/100)/4
if %a:~0,1% equ + (set /a JD=%JD%+%a:~1%) else set /a JD=%JD%-%a:~1%
set /a L= %JD%+68569, N= 4*L/146097, L= L-(146097*N+3)/4, I= 4000*(L+1)/1461001
set /a L= L-1461*I/4+31, J= 80*L/2447, K= L-2447*J/80, L= J/11
set /a J= J+2-12*L, I= 100*(N-49)+I+L
set /a YYYY= I, MM=100+J, DD=100+K
set MM=%MM:~-2% & set DD=%DD:~-2%
set ret=%YYYY: =%%MM: =%%DD: =%
endlocal & set %~5=%ret%
exit /b
:GetDateTime Year Month Day Hour Minute Second
@echo off & setlocal
for /f "tokens=2 delims==" %%a in ('wmic OS Get localdatetime /value') do set "dt=%%a"
set "YY=%dt:~2,2%" & set "YYYY=%dt:~0,4%" & set "MM=%dt:~4,2%" & set "DD=%dt:~6,2%"
set "HH=%dt:~8,2%" & set "Min=%dt:~10,2%" & set "Sec=%dt:~12,2%"
( ENDLOCAL
IF "%~1" NEQ "" set "%~1=%YYYY%"
IF "%~2" NEQ "" set "%~2=%MM%"
IF "%~3" NEQ "" set "%~3=%DD%"
IF "%~4" NEQ "" set "%~4=%HH%"
IF "%~5" NEQ "" set "%~5=%Min%"
IF "%~6" NEQ "" set "%~6=%Sec%"
)
exit /b
You could try this:
@echo off
set yyyy=
set $tok=1-3
for /f "tokens=1 delims=.:/-, " %%u in ('date /t') do set $d1=%%u
if "%$d1:~0,1%" GTR "9" set $tok=2-4
for /f "tokens=%$tok% delims=.:/-, " %%u in ('date /t') do (
for /f "skip=1 tokens=2-4 delims=/-,()." %%x in ('echo.^|date') do (
set %%x=%%u
set %%y=%%v
set %%z=%%w
set $d1=
set $tok=))
if "%yyyy%"=="" set yyyy=%yy%
if /I %yyyy% LSS 100 set /A yyyy=2000 + 1%yyyy% - 100
set CurDate=%mm%/%dd%/%yyyy%
set dayCnt=%1
if "%dayCnt%"=="" set dayCnt=1
REM Substract your days here
set /A dd=1%dd% - 100 - %dayCnt%
set /A mm=1%mm% - 100
:CHKDAY
if /I %dd% GTR 0 goto DONE
set /A mm=%mm% - 1
if /I %mm% GTR 0 goto ADJUSTDAY
set /A mm=12
set /A yyyy=%yyyy% - 1
:ADJUSTDAY
if %mm%==1 goto SET31
if %mm%==2 goto LEAPCHK
if %mm%==3 goto SET31
if %mm%==4 goto SET30
if %mm%==5 goto SET31
if %mm%==6 goto SET30
if %mm%==7 goto SET31
if %mm%==8 goto SET31
if %mm%==9 goto SET30
if %mm%==10 goto SET31
if %mm%==11 goto SET30
REM ** Month 12 falls through
:SET31
set /A dd=31 + %dd%
goto CHKDAY
:SET30
set /A dd=30 + %dd%
goto CHKDAY
:LEAPCHK
set /A tt=%yyyy% %% 4
if not %tt%==0 goto SET28
set /A tt=%yyyy% %% 100
if not %tt%==0 goto SET29
set /A tt=%yyyy% %% 400
if %tt%==0 goto SET29
:SET28
set /A dd=28 + %dd%
goto CHKDAY
:SET29
set /A dd=29 + %dd%
goto CHKDAY
:DONE
if /I %mm% LSS 10 set mm=0%mm%
if /I %dd% LSS 10 set dd=0%dd%
REM Set IIS and AWS date variables
set IISDT=%yyyy:~2,2%%mm%%dd%
set AWSDT=%yyyy%-%mm%-%dd%
echo %IISDT%
echo %AWSDT%
pause
原文出處:How to get yesterday's date in batch file? - Stack Overflow