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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----- Original Message -----
From: "SternData" subscribed-lists@sterndata.com To: "CentOS mailing list" centos@centos.org Sent: Wednesday, 22 May, 2019 16:03:39 Subject: Re: [CentOS] 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.
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