On Tuesday 05 August 2003 04:28, Marius Mauch wrote:
> On 08/04/03  splite-gentoo@sigint.cs.purdue.edu wrote:
> > On Mon, Aug 04, 2003 at 03:32:28PM +0200, Marius Mauch wrote:
> > > It's fixed in current 49_pre versions. And only using bunzip2 won't
> > > work as it only decompresses the package, but it does not untar it.
> > > You have to send the uncompressed tarball to tar. The fixed line is
> > > 	notok=spawn("bzip2 -dc "+mytbz2+" | tar xpf -",free=1)
> >
> > Why not:
> >  	notok=spawn("tar xpjf "+mytbz2,free=1)
>
> I didn't fix it so I can only guess: the -j option for tar is a GNU
> extension and portage aims at OS compatibility with *BSD, MacOS and
> cygwin, these systems are not using GNU tar by default. The pipe
> solutions should work on all these systems.

It is actually an unofficial extension that has the same meaning as the z 
option except it is for bz2. For portability one should use 
"--use-compress-program bzip2" though, which is exactly what it is a 
shorthand for.

Paul

-- 
Paul de Vrieze
Researcher
Mail: pauldv@cs.kun.nl
Homepage: http://www.cs.kun.nl/~pauldv