Re: [toolbox] Extended Attributes

[<jer...@u-...>]

Le 24 juin 05, =E0 22:56, Maxwell, Adam R a =E9crit :

>> On Jun 24, 2005, at 03:55, J=E9r=F4me Laurens wrote:
>>
>>
>>> I don't know how many developers are there but at least  we can=20
>>> start a discussion.
>>>
>>> Tiger now supports xattrs BSD feature, and it is -really- a major=20
>>> step forward.
>>> To play with xattrs, you can download
>>> <http://www.macs.hw.ac.uk/~rpointon/osx/xattr.html>
>>> I don't know how far those xattrs are linked to their file when=20
>>> moving around the internet but things are promising.
>
> I've tried setting xattrs and moving a text file onto an NFS volume;=20=

> the attributes were preserved when moving them back and forth, which=20=

> is good.  However, opening and saving the file in TextEdit lost the=20
> attributes, which is unfortunate.

Indeed.

I guess mail will not send this xattrs too...

I think the best policy is to never rely on such attributes.
Also, for extended file attributes, the best way seems to consider at=20
the same time xattrs, resource fork and external location when=20
possible.
That way, we hardly break the whole metadata design when moving files=20
around, and can retrieve at least partly the metadata.
Needs some further thinking before implementation.


>
> Adam
>
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