[CentOS] parsing /proc/cmdline
Filipe Brandenburger
filbranden at gmail.com
Fri Mar 7 15:54:49 UTC 2008
On Fri, Mar 7, 2008 at 10:35 AM, Jerry Geis <geisj at pagestation.com> wrote:
> If /proc/cmdline looks like
>
> option1 option2 ... ks=http://192.168.1.8/ks/ks.cfg option3 option 4 ...
>
> How can I get the 192.168.1.8 out of this cmdline.
Cryptic but does the job:
$ cat /tmp/cmdline
option1 option2 ... ks=http://192.168.1.8/ks/ks.cfg option3 option 4 ...
$ perl -lane 'm#^ks=.*//((\d+\.){3}\d+)/#&&print($1)&&exit for at F' /tmp/cmdline
192.168.1.8
$
Obviously, you should use /proc/cmdline instead of the file in /tmp as I used.
Filipe
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