Nice one, -q
However that command will still count an empty line that yum outputs, even with -q; it could also create problems due to stderr. I'd use something like:
yum -q check-update 2>/dev/null|grep -c -v ^$
--
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Nux!
www.nux.ro
----- Original Message -----
> From: "SternData" <subscribed-lists@xxxxxxxxxxxxx>
> To: "CentOS mailing list" <centos@xxxxxxxxxx>
> Sent: Wednesday, 22 May, 2019 16:03:39
> Subject: Re: how to find out the number of updates for a system
> maybe
> yum -q check-update | wc -l
>
> On 5/22/19 8:42 AM, Ralf Prengel wrote:
>> Hallo,
>> I need the information how many updates are available for a system.
>> What is the best way to find it out in a one line bash script.
>>
>> Von meinem iPad gesendet
>> _______________________________________________
>> CentOS mailing list
>> CentOS@xxxxxxxxxx
>> https://lists.centos.org/mailman/listinfo/centos
>>
>
>
> --
> -- Steve
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