That's a pretty good distillation of all those replies. But I still want to pipe up.
I agree about the Smalltalk reference; it is an *excellent* way to learn OO, but perhaps not 'practical' for some value of practical.
If you are looking for marketability, I concur with one reply that mentioned Java. Java will teach you a basic OO-way of thinking, and much of the syntax will be familiar to a Perler. Most non-web jobs don't use the word 'Perl' in their descriptions. There's always C#... (I can't believe I said that).
Also, we know that learning another language teaches your brain to think about programming in new ways; it's not an addendum, it's a synergy.
Finally, I agree with nearly all the replies that say that Perl is not a wonderful way to learn OO. However, it will probably teach you more about the guts of an OO system than Java would, and in fact might not straitjacket the learning process -- that is, Perl gives you more rope. But again, that thread might circle back to the Smalltalk issue... how much does the average Perler need to know in order to make a living?
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