90% of teaching a perl programmer is forcing him to read the Tao of Programming and quizzing him on it, and then read the 1st several chapters of the AUP, and quizzing him on it, and really pounding in that other people were going to maintain this code. Some day. Every piece of code has a life, and it may outlive you.
Do NOT force the next guy to decode your brain state.
I would not allow him to code for about 3 days because he didn't do his homework. Allow is a bit strong, but when I refused to review his code, it sunk in.
So anyway, most never got this stuff beat into them, they whipped out some code, it seemed to work, and a new career was born.
He's decided to dive into Lisp for a bit and is working in the Eclipse environment. It annoys him when he is doing an exercise that he could just whip out in Perl. I told him to withhold judgment until he got all the fundamentals of the language.
Anyone here know Lisp? I sure don't.