Intermediate Perl e-book chm version

From a Perl enthusiast to a Perl programmer. "Intermediate Perl" will teach you how to use Perl as a programming language, not just a scripting language.
Perl is a flexible and powerful programming language that can be used in many aspects, from system management to network programming to database operations. People often say that Perl makes easy things easy and hard things doable. Intermediate Perl is the book about how to take your skills from easy tasks to difficult tasks.
This book provides an elegant and careful introduction to intermediate programming in Perl. From the author of the best-selling "Learning Perl", this book provides content that "Learning Perl" does not cover.
Topics include:
Packages and namespaces
References and scopes
Manipulating complex data structures
Object-oriented programming
Writing and using modules
Testing Perl code
Contributing code to CPAN
Following the successful format of "Learning Perl", each chapter of this book is short enough to be read in one to two hours, and is provided at the end A series of exercises to help you practice what you just learned. To use this book, you only need to be familiar with the content of "Learning Perl" and have the determination to learn further.
Perl is a different language to different people. For some, it's just a quick scripting tool, but for others, it's a full-featured object-oriented language. Perl is used for a variety of tasks, from fast global replacement of text files to computing large amounts of complex scientific data that can take weeks to process. What you use determines what Perl looks like. But no matter where you use Perl, this book will help you make your application more effective, efficient, and elegant.
"Intermediate Perl" is written to learn Perl as a programming language, not just for writing scripts. This book turns Perl enthusiasts into Perl programmers.