David Ulevitch wrote:
>
> I am trying to do this:
> $ns1_in = `/usr/local/sbin/iptables -xvnL |grep 'mrtg' |grep -v 'Chain' |grep
>'ns1-in' |awk '{print $2}'`;
>
> but perl thinks the $2 is for it so it evals it (to '') and then awk
> in return prints the whole line, as opposed to the $2 that I want.
>
> Escaping the $2 to \$2 didn't work.
>
> I know this could be done in perl, but I'm always one for the quick
> and dirty CLI way first. ;-)
One way to do this to perl:
/mrtg/ and !/Chain/ and /ns1-in/ and $ns1_in = (split)[1] for
`/usr/local/sbin/iptables -xvnL`;
John
--
use Perl;
program
fulfillment
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