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Books : Study Books : Professional : Computing : Programming : Languages & Tools : Scripting : Perl
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Regular expressions--it sounds fairly ordinary in a regular sort of way, so therefore it must be very simple and very straightforward, right? Not quite.The simple name hides an incredible amount of power when handling textual data with scripting languages such as Perl, Python and awk and more and the programmer that can master regular expressions can master just about anything.
From the off it's necessary to congratulate author Jeffrey Friedl on doing a superb job of asking what can be a very complex subject and breaking it down into digestible chunks that almost anyone can understand.
From the basics of character and pattern matching through to the recognition of complex string patterns and multiple character replacements to "greedy" metacharacters and how to curb their appetite, this is about as comprehensive as it gets.
With a handful of latter chapters devoted to the differences between scripting languages and the way in which they deal with regular expressions and so many examples it'll make your eyes water there's something here for everyone.
So, if you can examine a string like this "(\\.|[^"\\])*" and know what it does and how it does it there's plenty of reference material in here for those odd moments when you need a refresher. If, however, you've no idea what the above means, and you need the ability to handle textual data, buy this book. Now!
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Offers an account for the changes to the language up to Perl 5.10. This book includes exercises and solutions for practice. It covers topics including: Perl variable types; Subroutines; File operations; Regular expressions; Text processing; Strings and sorting; Process management; and, Using third party modules.
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Your practical guide to using, customizing, and extending the build engine in Visual Studio 2010.
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Adopted as the undisputed Perl bible soon after the first edition appeared in 1991, Programming Perl is still the go-to guide for this highly practical language. Perl began life as a super-fueled text processing utility, but quickly evolved into a general purpose programming language that’s helped hundreds of thousands of programmers, system administrators, and enthusiasts, like you, get your job done.
In this much-anticipated update to "the Camel," three renowned Perl authors cover the language up to its current version, Perl 5.14, with a preview of features in the upcoming 5.16. In a world where Unicode is increasingly essential for text processing, Perl offers the best and least painful support of any major language, smoothly integrating Unicode everywhere—including in Perl’s most popular feature: regular expressions.
Important features covered by this update include:
- New keywords and syntax
- I/O layers and encodings
- New backslash escapes
- Unicode 6.0
- Unicode grapheme clusters and properties
- Named captures in regexes
- Recursive and grammatical patterns
- Expanded coverage of CPAN
- Current best practices
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Perl and XML shows how to combine two key Web technologies. Perl is a great language for server-side Web scripting, but XML parsers are generally written in Java or C++. Even so, Perl is everywhere, its strong text processing features make it a good partner for XML, and the chances are that Perl developers will need to work with XML sooner or later. Written with lively good humour, this title explains how to parse, validate and generate XML using a variety of techniques. It does not teach Perl, but does include an excellent short introduction to XML itself.After setting the scene, the authors set out the basics of XML parsing and writing, using the XML::Parser and XML::Writer modules. This is a good place to start, but the book makes it clear that the future of Perl and XML is in standard interfaces like SAX, which is the subject of another chapter. There is also an explanation of tree processing using XML::Simple or the standard DOM. (Document Object Model). The last chapters cover other XML technologies including XPath, XSLT and SOAP.
Packed with plenty of example code, this title is very much a guide rather than a reference. It does a great job of presenting XML from a Perl perspective, showing why it is useful and how to go about finding and installing the right modules. A couple of short but complete examples at the end help to put it all together, and there are lots
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In the days before personal computers, BASIC was the easy programming language to learn, and serious programmers learned FORTRAN or COBOL to do real work. Many people have discovered that Perl is both a great beginning programming language and one that enables them to write powerful programs with little effort.
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The book is written in an exploratory style: try something and then understand how it works. It will guide you through the features of Catalyst using real-world examples and systematic code snippets. If you are a Perl Developer and want to strengthen your skill by understanding Web Application development using MVC principles, then this book is for you.
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In the days before personal computers, BASIC was the easy programming language to learn, and serious programmers learned FORTRAN or COBOL to do “real work.” Today, many people have discovered that Perl is both a great beginning programming language and one that enables them to write powerful programs with little effort.If you’re interested in discovering how to program (or how others program), Perl For Dummies, 4th Edition, is for you. If you already know something about programming (but not about Perl), this book is also for you. If you’re already an expert programmer, you’re still welcome to read this book; you can just skip the basic stuff (you never know what kind of new tips and tricks you’ll pick up).
This reference guide shows you how to use Perl under many different operating systems, such as UNIX, many flavors of Windows (Windows 95/98, Windows NT, Windows 2000, Windows Me, and Windows XP), and Macintosh OS 9 and OS X; in fact, Perl runs on many more operating systems than these.
Here's a sampling of what Perl For Dummies, 4th Edition, has to offer:
- Installing Perl on various platforms
- Nailing down the basics of building Perl programs
- Working with text and numbers
- Constructing lists and working with them
- Creating conditionals and loops
- Delving into more advanced features such as operators and functions
- Reading and writing files and directories
- Using subroutines for modularity
- Demystifying Web server programs
- Creating your own Internet clients
The Perl programming language enables you to write fully working computer programs with just a few steps. It’s particularly good at common programming tasks, such as reading and writing text files, but it also excels at reducing the work that programmers have to do. Perl For Dummies, 4th Edition, shows you how to do all of that and how to modify programs to your heart’s content. After all, one of the common phrases in the world of Perl programmers is, “There's more than one way to do it.”
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Most Perl programmers were originally trained as C and Unix programmers, so the Perl programs that they write bear a strong resemblance to C programs. However, Perl incorporates many features that have their roots in other languages such as Lisp. This title introduces powerful programming methods and shows how to improve everyday programs.
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This text is designed to get you quickly over the Perl language barrier by approaching programming as an important new laboratory skill, revealing Perl programs and techniques that are immediately useful in the lab. Each chapter focuses on solving a particular bioinformatics problem.
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