Apache automatically puts the logged-in username in the REMOTE_USER enviromnent variable, which can be accessed by any CGI program. In Perl, it's $ENV{'REMOTE_USER'}.

The TIOBE Index is an indicator of which programming languages are most popular within a given month. Each month, we examine ...

I am not sure how to query what I am doing here on Google, but for years I have been "copping out" by taking a text stream, writing it to a file, and then reopening that file and reading it with ...