Re: Implementing Meta File information in Linux

Feuer (feuer@his.com)
Sun, 13 Sep 1998 14:02:27 -0400


 

Jens-Uwe Mager wrote:

> In article <mng==199809130043.UAA25527@dcl.MIT.EDU>, "Theodore Y. Ts'o"
> <tytso@MIT.EDU> wrote:
>
> > This brings me back to my first observation --- it's not at all clear
> > how useful file metadata really is.  Could one of the advocates of file
> > metadata give me an actual proposed application which could profitably
> > use it?
>
> One of the main points that need clarification is resource forks are not
> metadata. On the Mac each file has two forks, that is the point why you
> need to binhex it as it would loose data transferred to a conventional
> file system. The use of multiforked file system is debatable, this can
> probably be represented with other means less painless, although you will
> face consistency issues (how to atomically rename a multiforked file
> simulated with multiple conventional files?).

It is possible I am confusing my terms.  I haven't messed with macs much....
 

>  
>
> Meta data (on the Mac) is stored in the directory entry of every file, and
> is mostly used by the user interface. For example the file types save you
> from having to have special suffixes on your file names. I really hate it
> if a system insists to put a .doc at the end of the file name just to be
> able to double click the document to able to open it. Another very useful
> feature is used by my FTP client, it puts the URL of a downloaded file
> into the comment meta data field.

I thought this kind of thing was what we were talking about.....  What is a
resource fork?
 

>  
>
> Again it is possible to store such information seperately. But it is much
> easier if I rm a file and the comment field just disappears automagically.
> --
> Jens-Uwe Mager <pgp-mailto:62CFDB25>
>
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