File origin metadata

Jamie McCracken jamiemcc at
Sat Jul 1 11:25:52 EEST 2006

Claes at work wrote:
> On 6/30/06, Pat Suwalski <pat at> wrote:
>> Would there be interest in starting a more complete document that has
>> common metadata attributes by mime type?
> Can you explain more what you mean with this? Would you like to
> document what metadata is part of files of different mime types, for
> example the metadata that is part of an ID3 tag for mp3 files?
> The Shared file metadata spec looks pretty much like such a document.
> I think it would be useful if it could be adapted for use also with
> xattrs. To accomplish this I think it should describe how its metadata
> fit in the user writable EA namespace which begins with "user.". Also
> I am not sure how well some of its number data types would work
> together with xattrs and command line tools. Perhaps an alternative
> representation could be used when set as xattrs?

the datat types should be fine. The metadata can be prefixed with 
"user.xdg" so File.Description would become "user.xdg.File.Description". 
I will add to my spec later. We would only cache the writeable stuff as 
you say in EA's.

Mr Jamie McCracken

More information about the xdg mailing list