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Number   :  10311
Date     :  2005-01-25
Author   :  des4212001
Subject  :  Re: Got Me Again
Size(KB) :  3



Indeed, and I appreciate the thought. But the little buggers 
actually serve a purpose here in XP.

I was pointing out yet another problem with synchronization. The 
thumbnails are part of my backups, and are included there. But don't 
exist in W98 and are not included in synchronizing across the LAN.

Duplicating how just now... if I look in My Documents\My 
Pictures\Somewhere\ via My Network Places, XP shows thumbnails on 
the Folders over there. And it does it by actually placing a 
Thumbs.db file in each remote folder. Even on an operating system 
that doesn't use these files. Just for it's own display purposes I 
suppose.

This is bad enough. But what's worse is apparently xxcopy doesn't 
have a way to detect the fact. (I should be careful here as xxcopy 
covers a Lot of ground! I should say, "I don't see a way.") And that 
was the point.

If\when one of the Thumbs.db's does get transferred the only way 
xxcopy can find it is if\when the original becomes modified allowing 
the unintended copy to be Marked for Copy hence identifying it for 
Removal. (I think I'm beginning to get this!)

Until this I actually thought I had a good handle on 
Synchronization. Understanding all the possible situations of 
handling Orphan files, etc. But this represents a case of Source 
Orphans you want to remain just that. Don't copy, but if they 
somehow do get copied, then delete. Make any sense?

DES


--- In xxcopy@yahoogroups.com, "John Zeman"  wrote:
> 
> I don't remember where I came across this once, but I saved it and 
perhaps it might be something you'd be interested in DES.
> 
> John
> 
> 
> The thumbs.db file is generated by the Windows operating system. 
It is a database file containing the small images displayed when you 
view a folder in "thumbnail" view (as opposed to tile, icon, list, 
or detail view). No harm is done by deleting thumbs.db files. There 
is no need to include them in your system backups. Whether you see 
these files or not is a function of your File Options settings.
> 
> To turn off this feature and save a bit of disk space,
> 
> Click the Start button
> Select Control Panel
> Select Folder Options
> Click the View tab
> Check "Do not cache thumbnails"
> Click the OK button
> 
> 
> 
> 
> 
> 
> --- In xxcopy@yahoogroups.com, "des4212001"  wrote:
> > 
> > I'm mostly talking to myself here to see if something registers. 
> > Here's another synchronization problem... they never end. 
Believe it 
> > was Garry who pointed out the /RSY and this 2 pass method to me. 
I 
> > actually use lenghty Command files, including logging and 
> > exclusions, but shortening things considerably to get to the 
point:
> > 
> > xxcopy "F:\My Documents\" "\\Cx532597-a\My Documents\" /bz/q/s/y
> > 
> > And then a second pass of:
> > 
> > xxcopy "\\Cx532597-a\My Documents\" "F:\My 
> > Documents\" /rsy/pd0/bz/ed/s/q
> > 
> > OK, Thumbs.db files are unique to this side (WinXP) and don't 
> > normally exist over there (Win98). They're hidden and hence 
don't 
> > have to be specifically excluded. But... if you ever look across 
the 
> > network in My Network Places, they can get placed on Win98 by 
WinXP 
> > (no kidding, and where they're not hidden). And since they then 
> > exist in both locations and are identical except for the hidden 
> > attribute they're also not marked for copy and hence not caught 
in 
> > the removal pass.
> > 
> > I only picked up on this because I had deleted an image in a 
> > subdirectory of WinXP changing the size of that particular 
Thumbs.db 
> > file which then flagged it's accidental & no longer identical 
twin 
> > for removal.
> > 
> > I freely admit I haven't been to the Help yet to see if this 
case is 
> > even possible to identify.
> > 
> > DES



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