Hi,
again, I have to work around a broken Gentoo system.
(I cannot re-install kde-base/step)

Because of that I have to replace 
emerge @preserved-rebuild

by something which just updates all packages
depending on media-libs/jpeg .
Here,
equery -qC depends  media-libs/jpeg

or probably

equery -qC depends --indirect media-libs/jpeg

comes to my mind.

But the output is not quite what I need.
I'd like to use  parallel emerge (option -j4)
since there are a lots of packages to re-emerge.
I'd need a long line containing several items, e.g.
'=dev-python/pygraphviz-0.99.1' 

I could send the output of equery to a file,
edit it with an editor with good regexp support
and hand it over to the shell.

But I wonder, is there an easier way to use
portage utilities for that?

Many thanks for a hint,
Helmut.

-- 
Helmut Jarausch

Lehrstuhl fuer Numerische Mathematik
RWTH - Aachen University
D 52056 Aachen, Germany

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