Script
truc nguyen
nguyentruc_us at yahoo.com
Tue Jan 4 00:24:33 UTC 2005
I use bash shell
Thank you all
--- "Schott, Erik J Mr ANOSC/FCBS"
<erik.schott-FCBS at NETCOM.ARMY.MIL> wrote:
> Which shell are you using?
>
> ksh/bash/zsh: ipaddr=`grep truc /etc/hosts | cut
> -f1 -d" "` (note the
> graves (back ticks))
>
> csh/tcsh: set ipaddr `grep truc /etc/hosts | cut
> -f1 -d" "` (note the
> graves (back ticks))
>
> -----Original Message-----
> From: redhat-list-bounces at redhat.com
> [mailto:redhat-list-bounces at redhat.com]On Behalf Of
> truc nguyen
> Sent: Monday, January 03, 2005 5:12 PM
> To: General Red Hat Linux discussion list
> Subject: Re: Script
>
>
> If I want to put it in variable "ipaddr"
> grep truc /etc/hosts | cut -f1 -d" " > $ipaddr
>
> Is that correct ?
>
> Thanks,
>
> --- "Benjamin J. Weiss" <benjamin at birdvet.org>
> wrote:
>
> > truc nguyen wrote:
> >
> > >Hi,
> > >
> > >In my hosts file, the last line is as follow
> > >197.2.23.134 truc TRUC
> > >
> > >I want to write a script to get the this IP
> > address.
> > >What command in sed or awk to execute this ?
> > >
> > >Thank you so much
> > >
> > >
> > >
> > I see that you've gotten a couple of answers
> > already. However, in the
> > interests of "There's more than one way to do it",
> > here's another approach:
> >
> > grep truc /etc/hosts | grep -o
> >
>
"[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}"
> >
> > or
> >
> > grep truc /etc/hosts | grep -o
> > "[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*"
> >
> > or
> >
> > grep truc /etc/hosts | cut -f1 -d" "
> >
> > I'm sure that there are others. :)
> >
> > Ben
> >
> > --
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