IP address variable

Mike Burger mburger at bubbanfriends.org
Wed Feb 16 12:50:52 UTC 2005


On Mon, Feb 14, Dave wrote:

> > Hello All,
> > 
> > I need to create a variable (or read an existing one) that returns the 
> >IP 
> > address for eth0.
> > I used to do it like this under RH 7.2:
> > 
> > IPADDR='ifconfig eth0|grep inet|cut -d ":" -f2|cut -d " " -f1'
> > 
> > The result now under FC3 is:
> > 
> > # $IPADDR
> > "inet|cut: Unknown host"
> > 
> > Can anyone help me out here? I am having a hard time figuring this one 
>out.
>
>It's falling over the fact that the grep matches 2 lines (ipv4 and ipv6).
>grep for "inet addr" and it works fine.

Actually, chances are pretty good that it's tripping over the use of 
straight quotes (') instead of angled ones (`).

Paul...replace the ' at the beginning and end of your variable 
declaration with `, and it should work properly.
-- 
Mike Burger
http://www.bubbanfriends.org

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