I learned a huge amount from the book "Professional Perl Programming" by Peter Wainwright et al (WROX Publ.) It has
some typos but with over 1000 pages that's to be expected.
The book contains a lot of "idiomatic" Perl. I have seen some negative comments about WROX books here on PM, but I have a few, and they seem quite good. (I bought several rather cheaply at Half Price Books. I liked Professional Perl Programming so much I bought a second copy so I could have one at home and one in my office at school.) (Programming Perl is, of course, the "bible", but sometimes seems a bit brief on certain topics; it does seem to be the most well written of the Perl books I have looked at in terms of accuracy and lack of typos.)
As far as IDEs, I tried some free ones and never found one that worked as well as just a text editor such as Vim or Emacs. I tend to use Vim and bind the key combination Cntrl-P to save the current buffer, run perl on it and put
the output in a new window; one could do the same thing in Emacs.
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