Date: Mon, 3 Jan 2005 14:49:19 -0600 From: Eric F Crist <ecrist@secure-computing.net> To: Timothy Luoma <lists@tntluoma.com> Cc: FreeBSD-Questions Questions <freebsd-questions@freebsd.org> Subject: Re: my lame attempt at a shell script... Message-ID: <F0BE3E23-5DC8-11D9-B56F-000D9333E43C@secure-computing.net> In-Reply-To: <6074EB8D-5DC6-11D9-89A5-000D93AD26C8@tntluoma.com> References: <06DDB71C-5DB4-11D9-B56F-000D9333E43C@secure-computing.net> <15416223037.20050103193803@hexren.net> <6074EB8D-5DC6-11D9-89A5-000D93AD26C8@tntluoma.com>
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On Jan 3, 2005, at 2:30 PM, Timothy Luoma wrote:
>
> On Jan 3, 2005, at 1:38 PM, Hexren wrote:
>
>> I am not that great at bash but look in /etc/rc.firewall for the line
>> where it says: ". /etc/defaults/rc.conf" I think this line includes
>> /etc/rc.conf into the running script and as code in rc.conf is
>> evaluated at the time it is included, all the variables defined in
>> rc.conf are created at that time in your script. (you do realize that
>> for example gateway_enable="YES" is an variable declaration with
>> initialization when read as shell script ?)
>
> Hexren is right, ". /some/file" does mean "include /some/file"
> (sometimes called "source")
>
> #!/bin/sh
>
> . /etc/rc.conf
>
> if [ "$gateway_enable" = "YES" ]
> then
> echo "yes, this machine is a gateway"
> else
> echo "no, this is not a gateway"
> fi
>
> exit 0
>
> TjL
First off, let me thank you very much for the massive amount of
information you've given me thus far. Do me a favor and tell me if
this syntax is correct:
#!/bin/sh
. /etc/rc.conf
if [ "$grog_firewall_enable" = "YES" ]
then
echo "Firewall enabled."
elif [ "$grog_firewall_enable" = "NO" ]
then
echo "Firewall disabled."
fi
exit 0
This seems to work when I try it at a command line. There's one other
question. How would I add the following line (please correct syntax):
elif [ "$grog_firewall_enable" <> "YES" or "NO" ]
then
echo "Syntax error in /etc/rc.conf file. grog_firewall_enable must be
YES or NO"
fi
Thanks again for all the help.
_______________________________________________________
Eric F Crist "I am so smart, S.M.R.T!"
Secure Computing Networks -Homer J Simpson
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