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From htt...@karsites.net
Subject Re: [users@httpd] Using environment variable in httpd.conf
Date Thu, 19 Jan 2006 16:27:58 GMT

Thanks for the info Joshua.

I was just curious to know if it was possible to set 
variables in httpd.conf . Probably won't need to 
use such a feature at the moment.

Keith


In theory, theory and practice are the same;
In practice they are not. 

On Thu, 19 Jan 2006, Joshua Slive wrote:

> To: users@httpd.apache.org
> From: Joshua Slive <joshua@slive.ca>
> Subject: Re: [users@httpd] Using environment variable in httpd.conf
> 
> On 1/19/06, httpd2@karsites.net <httpd2@karsites.net> wrote:
> >
> > Well Tom, I'm using apache 2.0.50 under SuSE 9.2 pro and
> > just added the following to httpd.conf, after my LoadModule statements:
> >
> > SetEnv ErrLogPath /var/log/apache2/error_log
> > ErrorLog ${ErrLogPath}
> > LogLevel debug
> >
> > All this does for my setup is create an error_log file under
> > /srv/www/ called ${ErrLogPath}.
> >
> > Am I missing something?
> 
> The undocumented env-variable-in-config-file feature looks at
> variables in the server environment at time of startup.  SetEnv
> doesn't actually make real environment variables until a cgi script is
> launched.  See:
> http://httpd.apache.org/docs/2.2/env.html
> 
> What you want sounds more like the features provided by mod_macro. 
> See http://modules.apache.org/.
> 
> But the standard advice in cases like this is: httpd.conf is not a
> programming language, it is a config file.  If you need more advanced
> features, then use your favorite preprocess (m4, etc) to generate your
> config files.
> 
> Joshua.
> 
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