This weekend I have mostly been investigating Common Lisp.
If you're new to the environment then you may get started via a simple:
apt-get install clisp
Once you've done that the following resources will help you decide whether you're wasting your time or not:
It has been a long time since I've had so much fun - even though the first thing I did was experiment with implementing a spam filter - although in my defense I was only classifying based upon the links contained in the mails. So for example:
- http://gmail.com/ - Good.
- http://www.facebook.com/ - Good. (ha!)
- http://tallbear.com - Spam
- http://pamperflow.com - Spam