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From: Neil Brown <neilb@cse.unsw.edu.au>
To: David Masover <ninja@slaphack.com>
Date: Wed, 13 Jul 2005 09:40:26 +1000
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       Alexander Zarochentcev <zam@namesys.com>, vs <vs@thebsh.namesys.com>,
       Nate Diller <ndiller@namesys.com>
Subject: Re: reiser4 plugins
In-Reply-To: message from David Masover on Tuesday July 12
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On Tuesday July 12, ninja@slaphack.com wrote:
> > 
> > Maybe it is worth repeating Al Viro's suggestion at this point.  I
> > don't have a reference but the idea was basically that if you open
> > "/foo" and get filedescriptor N, then
> >    /proc/self/fds/N-meta
> 
> How am I supposed to get there with a shell script?


function get_meta() 
{
   var=$1
   file=$2
   meta=$3
   val=`cat /proc/self/fd/3-meta/$meta < $file`
   eval var=\$val
}

then
   get_meta varname /home/foo/bar username

will read the 'username' meta-file of 'home/foo/bar' and place it in
varname.

Is that what you wanted?

NeilBrown