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Number   :  4020
Date     :  2003-03-10
Author   :  Garry Deane
Subject  :  Re: Need help synching several sources to one reference dir
Size(KB) :  1


--- In xxcopy@yahoogroups.com, "obarthelemy"  wrote:
> Hi.
> I have several "feeder" PCs with a %computername%\files
> dir (no subdirs) and a "reference" directory on a USB
> hard disk that I move from feeder to feeder. The USB HD
> holds the files from different "feeders", re-arranged
> manually in various subdirs.
>
> I want to delete the files from the feeders
> (d:\%computername%\files) that are already in the
> reference (g:\files\) *EVEN IF THEY ARE IN A SUBDIR
> OF G:\FILES* , then copy the remaining files from to 
> g:\files\new. 
> 
> I couldn't find a way to tell xxcopy copy to delete files
> from the source if they already are on the destination *IN
> A DIFFERENT SUBDIR*


You might be able to use the directory gathering switches to 
effectively flatten the source directory structure then examine the 
destination to see whether any files already exist which are 
candidates to be deleted. Note that this will only work correctly if 
the file names in your reference directories are unique. For example, 
d:\%computername%\files\abc.txt might be deleted if it exists in 
g:\files\fred\abc.txt whether they are the same file or not.

The following will remove all files in d:\%computername%\files\ which 
already exist in g:\files\ or a sub-directory of g:\files\ and have 
the same size and time.

xxcopy g:\files\ d:\%computername%\files\ /sg/rd/be

If this does what you want, add the switches to suppress the deletion 
prompts and add a command to copy any files remaining to g:\files\new.

Garry



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