Writing Backup Batch File

[Kjwientjes]

I need some help in writing a batch file to back up like *.jpg *.wmv *.jif from the C: drive to a flash drive with either current day or user imput date for any files newer than that date.  I am using XP.
Ken

[gpl]

I dont know how far you have got, if you are looking for something to start you off, this will give you a clue, look at the help for

XCOPY /?
particularly the /D parameter
SET /?
particularly the /P parameter

Show us what you have so far (code, pseudo-code, whatever)

Graham

[Kjwientjes]

I haven't actually wrote any of the batch yet, my main question is how a date command is used in a batch file. 
Ken