Get Files in A folder which is modified on a particular day

FORFILES /D 08/18/2011 /C "cmd /c echo @fname is new Today"
MM-DD-YYYY
FORFILES /D 08/18/2011 /C "cmd /c echo @fname is new Today"

FORFILES.exe (Resource Kit)
Select a file (or set of files) and execute a command on each file. Batch processing.
Syntax
      FORFILES [/p Path] [/m Mask] [/s] [/c Command] [/d [+ | -] {dd/MM/yyyy | dd}]  
Key
   /p Path      The Path to search  (default=current folder)
   /s           Recurse into sub-folders
   /C command   The command to execute for each file.
                Wrap the command string in double quotes.
                Default = "cmd /c echo @file"
                The Command variables listed below can also be used in the
                command string.
   /D date      Select files with a last modified date greater than or
                equal to (+), or less than or equal to (-),
                the specified date using the "dd/MM/yyyy" format;
                or selects files with a last modified date greater than
                or equal to (+) the current date plus "dd" days, or
                less than or equal to (-) the current date minus "dd" days.
                A valid "dd" number of days can be any number in
                the range of 0 - 32768.
                "+" is taken as default sign if not specified.
 Command Variables:
      @file    The name of the file.
      @fname   The file name without extension.               
      @ext     Only the extension of the file.                 
      @path    Full path of the file.
      @relpath Relative path of the file.         
      @isdir   Returns "TRUE" if a file type is a directory,
               and "FALSE" for files.
      @fsize   Size of the file in bytes.
      @fdate   Last modified date of the file.
      @ftime   Last modified time of the file.
  
   Internal CMD.exe commands must be preceded with "cmd /c".
  
   If ForFiles finds one or more matches if will return %errorlevel% =0
If ForFiles finds no matches if will return %errorlevel% =1 and will print "ERROR: No files found with the specified search criteria."
Examples:
Print a warning if the testfile is 5 days old or older:
C:\> forfiles /m testfile.txt /c "cmd /c echo file is too old" /d -5
Delete the testfile if it is is 5 days old or older:
C:\> forfiles /m testfile.txt /c "cmd /c Del testfile.txt " /d -5
Find .xls file that were last modified 30 days ago or longer
C:\> FORFILES /M *.xls /C "cmd /c echo @path was changed 30 days ago" /D -30
List the size of all .doc files:
C:\> FORFILES /S /M *.doc /C "cmd /c echo @fsize"
An alternative method of dealing with files older or newer than a specified date is to use ROBOCOPY