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Date: Sun, 3 Jul 2005 13:25:46 -0300
From: Alejandro Pulver <alejandro@varnet.biz>
To: fbsd_user@a1poweruser.com
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Cc: "freebsd-questions@FreeBSD. ORG" <freebsd-questions@FreeBSD.ORG>
Subject: Re: help with sh script
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On Sun, 3 Jul 2005 12:14:05 -0400
"fbsd_user" <fbsd_user@a1poweruser.com> wrote:

> Thanks but I need a little more help.
> 
> num_ip="(printf $raw_ip | sed 's/\.//g')"
> 
> gives me a error.
> 
> What would the correct syntax be?
> 
> I am trying to write script to insert rules into PF firewall 
> on 5.4. using pf anchors.
> 

Hello,

The problem here is that

num_ip="(printf $raw_ip | sed 's/\.//g')"

makes num_ip equal to

(printf $raw_ip | sed 's/\.//g')

instead of its output.

To assign the output of a command use "`":

num_ip=`(printf $raw_ip | sed 's/\.//g')`

Also the subshell (the "()") is not needed:

num_ip=`printf $raw_ip | sed 's/\.//g'`

Hope that helps.

Best Regards,
Ale