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RE: Script



I use bash shell

Thank you all
--- "Schott, Erik J Mr ANOSC/FCBS"
<erik schott-FCBS 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 redhat com
> [mailto:redhat-list-bounces 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 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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> 
> 
> 
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