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There is actually an interface for reading/writing "extended attribute" data on files that is supported by both FAT32 and NTFS, although the win32 API is not present, so you would have to dive into the actual NT api (NtQueryEaFile and NtSetEaFile.) These apis allow you to have named attribute data associated with a file, which would be exactly what you want here. Of course using undocumented interfaces has issues. -- ===================== Mark Roddy Windows 2003/XP/2000 Consulting Hollis Technology Solutions 603-321-1032 www.hollistech.com markr at hollistech.com "Tony Hoyle" <tmh at nodomain.org> wrote in message news:c6chc5$69s$1 at paris.nodomain.org... > Tharen D. Debold wrote: > > NTBackup still uses the archive bit for increment & differential > > backups, it also clears the archive bit on a full backup. > > > > Since this is what we use to backup our CVS files, I'm not to keen on > > having to do full backups just to get all the CVS files. > > > > If it's NTFS, you can use another stream... :-) > > I'll just have to make the code smarter then.. Storing it there is really > nice for making sure there's no loss of data from unix clients (at least until > it's finally written in the RCS file), but it's tricky to know what's > temporary and what's a final file where we don't care (and can set the bit all > the time). > > Tony > > -- > Tony Hoyle <tmh at nodomain.org> Key ID: 104D/4F4B6917 2003-09-13 > Fingerprint: 063C AFB4 3026 F724 0AA2 02B8 E547 470E 4F4B 6917