On Thu, 2008-02-28 at 08:51 -0500, Toby Bluhm wrote:
> Jerry Geis wrote:
> > I am trying to grab the mac address for eth0 on centos 5.1 with
> >
> > ifconfig | grep eth0 | cut -d ' ' -f 5 and I dont get anything.
> >
> > What am I not doing right?
> >
> > ifconfig | grep eth0 | cut -d ' ' -f 1 gives me eth0 but anything else
> > like -f 2, -f 3 etc
> > I get nothing.
> >
> > Jerry
> >
>
> There's multiple spaces in the output that cut is hitting - use tr to
> reduce them.
>
> ifconfig | grep eth0 | tr -s ' ' ' ' | cut -d ' ' -f 5
/sbin/ifconfig | grep eth0 | awk '{ print $5 }'
for the lazy way or "man gawk" to see how to select and print and skip
lines of no interest, eliminating the grep.
>
>
HTH
--
Bill
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