Chapter 13. Debugging CGI Programs

“Would you tell me, please, which way I ought to go from here?”

“That depends a good deal on where you want to get to,” said the Cat.

—Alice in Alice's Adventures in Wonderland by Lewis Carroll

The Cheshire Cat was renowned for oblique comments and a propensity to vanish partially or completely at inconvenient times. Running Common Gateway Interface (CGI) programs through a Web server can leave one feeling a lot like Alice (including stretched thin and squashed).