Higher-Order Perl: Transforming Programs with Programs
by Mark Jason Dominus
Publisher: Morgan Kaufmann 2005
Number of pages: 592
Perl incorporates many features that have their roots in other languages such as Lisp. These advanced features are not well understood and are rarely used by most Perl programmers, but they are very powerful. One of these techniques is writing functions that manufacture or modify other functions.
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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.
by Chan Bernard Ki Hong
This is a free Perl tutorial that is packed with everything you need to know to get started on Perl programming. Throughout the text there are many examples examples, illustrations and exercises in the form of concept consolidation questions.
by Nick Parlante - Stanford University
An introduction to the main features of the Perl language. It's intended for people who know some programming but need an introduction to Perl. Topics: scalar variables, strings, arrays, hash tables, file input and output, regular expressions, etc.
This books describes and explains Perl (Practical Extraction and Report Language), a scripting language that is usually interpreted and is noted for its extensive use of regular expressions and a large module archive CPAN.