Running Example: A Psychotherapist Server
Our running example for this and the next two chapters uses the Chatbot::Eliza module, John Nolan's marvelous pure-Perl clone of Joseph Weizenbaum's classic psychotherapist simulation. Chatbot::Eliza works very simply. It accepts a line of input from the user, transforms it according to a clever set of transformational rules, and echoes it back to the user in the form of a question. The effect is a lot like talking to a particularly robotlike Freudian psychoanalyst.
The Chatbot::Eliza module is available on CPAN. It is simple to use. You load it, create a new Chatbot::Eliza object with the new() method, and then invoke the object's command_interface() method. This method conducts a conversation with ...
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