[Yum] yum list available weird output

[Seth Vidal]

On Tue, 5 May 2009, James Antill wrote:

> Gerry Reno <greno at verizon.net> writes:
>
>> I run this command:
>> yum -q list available $(rpm -qa --queryformat=%{name}\n) | grep "^ "
>>                                       1.0.0-2.fc11
>> preupgrade
>>                                       0.1.0-6.fc11
>> preupgrade
>
> Pipe the "yum list available" output through less, and you'll see
> what is happening. In general we don't recommend screen scrapping yum
> output, writing a yum script is often significantly easier (and
> supported).
>
> For what I _think_ you are trying to do above, you probably just want
> "yum list updates" or "yum check-update" output.

and if you feel you MUST use a script to do this: look at repoquery from 
yum-utils.

-sv