@echo off&SETLOCAL

::  DELOLDER.cmd days fullpath
::
::  For example:  
::      DELOLDER 14 C:\temp\*.*
::      DELOLDER 28 "C:\Log Files\"
::      DELOLDER 28 "C:\Log Files\*.LOG"

:: note: do not specify the Current Directory

:: To use this batch for real, edit the last line below
:: i.e. change [ECHO DELETE the file] to [DEL] or [MOVE] or whatever

SET v_days_newer=%1
SET v_source=%2

:: get todays date from getdate.cmd
CALL GetDate
SET yy=%yy:~2,2%

:: calculate new date using DateMath.cmd
CALL DateMath %yy% %mm% %dd% - %v_days_newer%

ECHO Files older than Year: [%v_yy_int%] Month: [%v_mm_str%] Day: [%v_dd_str%]

:: Compare each file in the DIR with files that are newer than day X
:: and delete all those that don't match (ie are older)

FOR /f "tokens=*" %%G IN ('XCOPY %v_source% /L ^| FIND "\"') DO CALL :s_match_older "%%G"
goto :eof

:s_match_older
FOR /f "tokens=*" %%G IN ('XCOPY %v_source% /D:%v_mm_str%-%v_dd_str%-%v_yy_int% /L ^| FIND "\"') DO IF %1=="%%G" (GOTO :eof)
ECHO DELETE the file %1