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Teach Yourself Perl 5 in 21 Days Review by Mike_brazil
I haven't even finished the book and I am already feeling like a perl programmer
I bought this book after trying to learn Perl through another book (Perl for Bioinformatics). This book is definitely a better introduction to Perl than any other book I've seen. It is clear and concise enough and although it might be hard to finish it in 21 days, you can start coding your own scripts much before the end of the book. I am still on chapter 11 and I can program most of what I need with it (i.e parsers and simple bioinformatics applications). I recognize that there are a few typos on the book but if even Knuth's Art of Computer Programming have them why shouldn't Lemay's Teach Yourself Perl in 21 Days do the same?
Given what I said above, I must warn begginer programmers (like me) that Perl is not the best language for you to learn as your first one. It is a dirty scripting language which does the job and is most suitable for parsing files and formatting data but it has a lot of things which make it quite confusing initially (its context dependency for instance). If you want to learn something that will give a solid programming base you should start with something else (i.e. Java, Pascal, Ruby etc) which will probably be a little bit harder but will payoff later.