Structure of This Book | Learning Perl Objects, References, and Modules

It's a good idea to read this book from front to back, stopping to do the exercises. Each chapter builds on preceding chapters. You've been warned .

Chapter 1: An introduction to the material.
Chapter 2: How to bring code in from separate files so you can have others do some of your work for you.
Chapter 3: How to allow the same code to operate on different data structures by introducing a level of indirection.
Chapter 4: How Perl manages to keep track of pointers to data, and an introduction to anonymous data structures and autovivification.
Chapter 5: Viewing, searching, and storing nested arrays and hashes.
Chapter 6: How to capture behavior as a value to be passed around.
Chapter 7: Sorting complex operations, the "Schwartzian Transform," and working with recursively defined data.
Chapter 8: Working with classes, method calls, inheritance, and overriding.
Chapter 9: Adding per-instance data, including constructors, getters, and setters.
Chapter 10: Adding behavior to an object that is going away, including object persistence.
Chapter 11: Multiple inheritance, automatic methods , and references to filehandles.
Chapter 12: How use works, from the user 's and author's perspectives.
Chapter 13: Packaging up a module for sharing, including portable installation instructions.
Chapter 14: Providing unit and integration tests with your distribution.
Chapter 15: Submitting your module to the CPAN.
Appendix A: Where to go to get answers.