PDF Processing with Perl

Adobe's PDF is a well-established format for transferring pixel-perfect documents. It's not nearly as malleable as plain text, but several CPAN modules make creating, manipulating, and reusing PDFs much easier. Detlef Groth demonstrates how to use PDF::Reuse.

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Making Perl Reusable with Modules

Perl programs are easy to write, especially if they solve simple problems. If you find yourself re-using the same programs (or worse, the same code), it's time to bundle your code into pieces easier to reuse. It's time to turn programs into modules. Andy Sylvester walks through the three steps of making a simple, standalone Perl program into a robust, tested, distributable, and reusable piece of code.

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Option and Configuration Processing Made Easy

Many useful programs take arguments and configuration options. It's easy to add one or two, but as your program grows, the difficulty of allowing configuration concisely and intelligently also grows. Jon Allen demonstrates how to unify argument and configuration processing in a way that lets you write good code and your users get on with their work.

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Better Code Through Destruction

Perl 5's reference counting scheme almost always keeps memory usage predictable...except for one corner case. The Resource Acquisition Is Initialization strategy helps avoid memory leaks--and can improve your use of exceptions, alarms, other resources, and even transactional systems. Igor Gariev demonstrates.

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