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From Yusuf <>
Subject [users@httpd] Enviroment variables in .conf?
Date Tue, 10 Oct 2006 17:29:27 GMT

is there any method/module that will allow me to use enviroment 
variables in httpd.conf?

Specifically, I want Apache to run straight from a cd in Ms. Windows, 
and I require a temporal directory and other settings currently hard 
coded, like this:

Listen localhost:8080
PidFile c:/temp/apache/
ErrorLog c:/temp/apache/apache_error.log
CustomLog c:/temp/apache/apache_access.log common
Alias /cgi_tmp/ c:/temp/apache/cgi_tmp/

but not everyone has the needed write permission or, alas, even a C: 
drive, so I would hope something like this is possible:

set APACHE_PORT=8080

if not exist %TEMP%\apache md %TEMP%\apache > NUL
if not exist %TEMP%\apache\cgi_tmp md %TEMP%\apache\cgi_tmp > NUL

start /min \Apache\bin\Apache.exe
sleep 5

start http://localhost:%APACHE_PORT%/

Listen localhost:%{ENV:APACHE_PORT}
PidFile %{ENV:TEMP}/apache/
ErrorLog %{ENV:TEMP}/apache/apache_error.log
CustomLog %{ENV:TEMP}/apache/apache_access.log common
Alias /cgi_tmp/ %{ENV:TEMP}/apache/cgi_tmp/
PassEnv TEMP

I know I could copy the conf files to the hard drive and replace the 
paths there but I'd prefer a cleaner solution.

Also, for an extra point, I would like suggestions on how to check if a 
port is available for Apache prior to running it, from a .bat file.

Thanks in advance.

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