Date: Fri, 24 Mar 2006 12:30:36 -0500 From: Charles Swiger <cswiger@mac.com> To: Paul Schmehl <pauls@utdallas.edu> Cc: FreeBSD-questions@FreeBSD.org Subject: Re: Shell scripting question Message-ID: <0E3B0BBC-D653-4425-B4EE-B4D941DAE628@mac.com> In-Reply-To: <5045F0637A62EE469942AAB4@utd59514.utdallas.edu> References: <5045F0637A62EE469942AAB4@utd59514.utdallas.edu>
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On Mar 24, 2006, at 12:12 PM, Paul Schmehl wrote:
> Neither rc.conf nor source_rc_confs appears anywhere else in the
> script, so how does this suck in the variables? And what does the
> syntax ". /etc/rc.conf" do?
Your second question is the answer to your first question:
. /etc/rc.conf
...or "source _file_", means to read the file into the current shell
and execute those commands. It's used to load the variables set in /
etc/rc.conf.
> Here's what I understand so far. If the variable
> source_rc_confs_defined is a zero length string, then if /etc/
> defaults/rc.conf is readable, then do something with it. I have no
> idea what the next line "source_rc_confs" does. Else, if /etc/
> rc.conf is readable, then do something with that.
Yes. Take a look at the end of /etc/defaults/rc.conf and /etc/
rc.subr...
--
-Chuck
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