Re: [gentoo-user] Finding orphaned libs

[Willie Wong <wwong@math.princeton.edu>]

On Mon, Jun 08, 2009 at 09:54:08PM +0100, Penguin Lover Neil Bothwick squawked:
> On Mon, 8 Jun 2009 22:44:18 +0200, Alan McKinnon wrote:
> 
> > Is there an easy way to detect the orphaned libs on and old machine
> > who's install dates back to 2004? The only idea I can come up with is 
> > 
> > for I in /usr/lib/*.so.* ; do equery belongs $I ; done
> 
> qfile --orphans /usr/lib/*.so.*
> 
> or, maybe cleaner
> 
> qfile --orphans $(find -H /usr/lib /lib -type f)
> 
> which avoids checking all the symlinks.
> 
> Then run symlinks remove any dangling links left over.

Whoa, that's useful. Thanks for Neil for giving the solution, and to
Alan for even asking the question. Having a box whose install dates to 

sep~ # head /var/log/emerge.log
Started emerge on: Nov 03, 2002
 *** emerge  >=sys-apps/baselayout-1.7.9-r1 >=sys-apps/texinfo-4.2-r1 sys-devel/gettext >=sys-devel/binutils-2.13.90.0.4 >=sys-devel/gcc-3.2
>>> emerge (1 of 7) sys-apps/baselayout-1.8.4.1 to /
::: completed emerge (1 of 7) sys-apps/baselayout-1.8.4.1 to /
>>> emerge (2 of 7) sys-apps/texinfo-4.2-r5 to /

This seems to be a worthy enterprise. 

BTW, though, $(find -H ...) will have too big a list. Perhaps better
to do 

find -H /usr/lib /lib -type f | xargs qfile -o

W
-- 
When my cats aren't happy, I'm not happy. Not because I care about their mood 
but because I know they're just sitting there thinking up ways to get even.
    ~Penny Ward Moser
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