[Digikam-devel] [Bug 220545] Cannot write XMP sidecar files

[Vincent Danjean]

https://bugs.kde.org/show_bug.cgi?id=220545





--- Comment #17 from Vincent Danjean <vdanjean ml free fr>  2010-05-05 11:50:46 ---
Allowing to use XMP sidecar file and to not touch the original files will also
improve backups: for now, each time I change any metadata (usually tags), the
file is backuped again and again. My backup program (backuppc) must store a
full new version of the image instead of using (hard)links to the previous
'version'. If XMP sidecar were used, the original image would not change,
avoiding similar but not exact copy in each backup. XMP files would be
duplicated but their size is a lot smaller than the original image.

A second thought: I see that you will use the same basename with the .xmp
extension. How will you deal with 'foo.jpg' and 'foo.avi' when both present ?
(ignore one ? which one in this case ?) Won't 'foo.jpg.xmp' and 'foo.avi.xmp'
be a better choice ?

A third thought: some other software (geeqie) allow to read/write xmp files in
another directory. This way, photos can be on a read-only medium (CD or ro NFS)
and xmp files (and so metadata) can still be edited and saved on the hard-disk.

I hope a support for using XMP files will soon be present. Many thanks for your
work on this part.

Regards,
  Vincent

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