Perl 5 Pocket Reference
by Johan Vromans, Linda Mui
Publisher: O'Reilly 2000
Number of pages: 31
This quick reference provides a complete overview of the Perl programming language. The book covers a summary of Perl syntax rules and a complete list of operators, built-in functions, and standard library modules, all with brief descriptions.
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by Greg London - Lulu.com
This document is for people who either want to learn perl or are already programming in perl and just don't have the patience to scrounge for information. This is also a handy desk reference for some of the more common perl related questions.
by Shishir Gundavaram - O'Reilly
A text for expert programmers, it focuses on the CGI specification down to the details. The book explains what CGI does, describes all CGI methods and environment variables, explains how to port Usenet news to the Web with CGI and more.
by Jonathan S. Duff, et al.
This book is primarily for people who want to learn Perl 6. It teaches the basics from a Perl 6 perspective, touching on variable interpolation, datastructure use, object construction, threads, closures, symbol tables, and other core features.
by Allen B. Downey - Green Tea Press
After having completed this book, you should be able to write programs to solve relatively difficult problems in Perl 6, but my main aim is to teach computer science, software programming, and problem solving rather than solely to teach the Perl 6.