You can accomplish this by using the Combined Log Format rather than the default Common Log Format. In your Apache configuration files, search for the CustomLog keyword, and modify it to look like ...

Security Warning Anyone who can write to the directory where Apache is writing a log file can almost certainly gain access to the uid that the server is started as, which is normally root. Do NOT ...

Analyze Apache logs with Analog If you're looking for a useful log analysis program, check out Analog. This powerful, fast tool creates Web pages based on the analysis of Apache log files.

Dave tackles analysis of the ugly Apache web server log. I know, in my last article I promised I'd jump back into the mail merge program I started building a while back. Since I'm having some hiccups ...

Said tool is ApacheGUI. ApacheGUI makes configuring your web server as well as needed virtual hosts so much easier. The tool also gets you easy access to all of the Apache log and help files.

Is there a way to use PHP to parse Apache logs to find out how many times a file has been downloaded?

Is cal_make.pl an actual cgi script on your web server? I would take the requests from the log file and try to run the request against your webserver. The result will tell you if this was a ...