IP address variable

[Thomas Cameron]

----- Original Message ----- 
From: "Mike Burger" <mburger at bubbanfriends.org>
To: <fedora-list at redhat.com>
Sent: Wednesday, February 16, 2005 6:50 AM
Subject: re: IP address variable


> 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.

Why not just use hostname -i?

Thomas