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Autoexec.bat routine to delete files based upon date in a specific directory

Posted on 2007-04-11
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Last Modified: 2011-10-03
Windows CE- need to create a dos routine that will run in the autoexec.bat file.  This routine needs to simply scan a preset directory for files older than (current date minus XX days) and delete those files.  nothing else.  simple.
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Question by:webnetxpress
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by:webnetxpress
ID: 18900213
what, no takers?  I'll increase the points to 250!!!!!!

and let me narrow it down-
I need the autoexec to parse a directory (say c:\temp\alarms\) and delete any file older than (today's date minus 90 days).  this can be done with a single command line or a subroutine, by directly deleting the file or moving the affected ones to another temp directory and then deleting them there, whatever is easiest...

so come on, someone must know a way to do this?????
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asian_niceguy earned 250 total points
ID: 18936029
The following link may be of interest http://www.computing.net/programming/wwwboard/forum/13717.html

In any case here is the code. Save it as DELOLD.BAT, and put it in the directory to be parsed. In your autoexec put a command to run DELOLD.BAT /90 and you *should* be dandy...

@echo off
SET OLDERTHAN=%1
IF NOT DEFINED OLDERTHAN GOTO SYNTAX
set FileDir=%~2

if "%FileDir%"=="" set FileDir=.

for /f "tokens=2" %%i in ('date /t') do set thedate=%%i

set mm=%thedate:~0,2%
set dd=%thedate:~3,2%
set yyyy=%thedate:~6,4%

set /A dd=%dd% - %OLDERTHAN%
set /A mm=%mm% + 0

:LOOPDATE

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
if %mm%==12 goto SET31

:SET31
set /A dd=31 + %dd%
goto LOOPDATE

:SET30
set /A dd=30 + %dd%
goto LOOPDATE

: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 LOOPDATE

:SET29
set /A dd=29 + %dd%

:DONE
if /i %dd% LSS 10 set dd=0%dd%
if /I %mm% LSS 10 set mm=0%mm%
for %%i in (%FileDir%\*.*) do (set FileName=%%i call :PROCESSFILE %%~ti)

set mm=
set yyyy=
set dd=
set thedate=
goto EXIT

:SYNTAX
ECHO.
ECHO USAGE:
ECHO DELOLD X [Dir]
ECHO Where:
echo X is the number of days previous to Today.
echo Dir is the optional directory where files exist. Defaults to current directory.
ECHO.
ECHO EX: "DELOLD 5" Deletes files older than 5 days.
echo "DELOLD 120 c:\temp Deletes files from the c:\temp directory that are older
echo than 120 days.
GOTO EXIT

:PROCESSFILE
set temp=%1

set fyyyy=%temp:~6%

if /I %fyyyy% LSS 100 set fyyyy=20%fyyyy%
if /I %fyyyy% GTR 2069 set fyyyy=19%temp:~6%

set fmm=%temp:~0,2%
set fdd=%temp:~3,2%

:: +*************************************+
:: | This is where the files are deleted |
:: | Change the ECHO command to DEL to |
:: | delete. ECHO is used for test. |
:: +*************************************+

if /I %yyyy%/%mm%/%dd% GEQ %fyyyy%/%fmm%/%fdd% (echo %FileName%)

set temp=
set fyyyy=
set fmm=
set fdd=

:EXIT
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