how to determain those no longer required packages

[Milos Jakubicek]

Dne 29.8.2009 22:46, Ray Chen napsal(a):
> rpmreaper is NOT installed by default, I want use yum API in scripts to
> remove unnecessary packages.

Rpmreaper doesn't use yum API, it's pure rpm-based. For usage refer to 
the relevant manpage (man rpmreaper), you might be especially 
insterested in something like "rpmreaper -lv | grep LEAF"

Cheers,
Milos