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Number   :  5199
Date     :  2003-08-03
Author   :  Garry Deane
Subject  :  Re: XXcopy, Winzip, LFNs, SFNs
Size(KB) :  1


--- In xxcopy@yahoogroups.com, "daverunda"  wrote:
> I know that XXCOPY properly duplicates short file names
> when performing a copy operation (assuming destination
> folders are empty, or contain no file with an SFN that is
> the same as the SFN of a source file). My issue is this:
> I'd like to use a command line file compression utility in
> combination with XXCOPY. Specifically, I'd like to copy a
> folder(s) using XXCOPY, then run the command line version of
> Winzip (or equivalent) to compress the destination folder(s).
> My problem is, I don't trust that the ZIP utility will
> properly duplicate the SFNs when it zips or unzips the files.
> Does anyone know of a compression utility that does properly
> duplicate short file names?

I've never heard of a zip utility being able to preserve both
LFNs and SFNs when files are restored.

On the assumption that the original source files are still
available, you could use /NL or /NS to fix up the LFN or SFN
(depending on which you save in the zip) after the files have
been extracted.

If you are anticipating that the source files won't be available,
I think you best bet might be DOSLFNBK as referred to by Chuck
Falconer in http://groups.yahoo.com/group/xxcopy/message/4845
It maintains a list of the LFN/SFN pair in a file and can repair
the names from the list.

Garry



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