Parsing With Perl 6 Regexes And Grammars
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Parsing With Perl 6 Regexes And Grammars
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Author : Moritz Lenz
language : en
Publisher: Apress
Release Date : 2017-12-04
Parsing With Perl 6 Regexes And Grammars written by Moritz Lenz and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-04 with Computers categories.
Write good regexes and parsers with the Perl 6 programming language. You’ll see how regexes are used for searching, parsing, and validation: in particular the grammar extension makes them uniquely suitable for parsing, the main focus of this book. Written by Perl 6 expert Moritz Lenz, a core contributor of Rakudo, Parsing with Perl 6 Regexes and Grammars starts from the very basics of regular expressions, and then explores how they integrate with regular Perl 6 code. Then follows a deeper exploration of how regexes work under the hood and a discussion of common techniques for constructing regexes and exploring the data under scrutiny. Later material goes beyond relatively simple formats to reusable named regexes and grammars, which permit code reuse in grammars, and shows how to write parsers for more involved data formats. Error reporting and case studies wrap up the topic. While regexes allow you to search for patterns in text and validate input, Perl 6 regexes advance that concept: you’ll see how they are easier to read, yet much more powerful, than the traditional "Perl-compatible regular expression". With improved reusability and backtracking control, you will be able to write complete parsers with the help of this book. What You'll Learn Discover the building blocks of Perl 6 regexes Handle regex mechanics and master useful regex techniques Extract data and work with patterns among these use cases Reuse named regexes and other grammars as components or templates Write full parsers, including advanced error reporting and data extraction Learn how to parse nested scopes and indention-based formats Who This Book Is For Those with at least some prior experience with Perl programming, but who may be new to Perl 6 aswell as searching and parsing.
Think Perl 6
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Author : Laurent Rosenfeld
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2017-05-08
Think Perl 6 written by Laurent Rosenfeld and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-08 with Computers categories.
Want to learn how to program and think like a computer scientist? This practical guide gets you started on your programming journey with the help of Perl 6, the younger sister of the popular Perl programming language. Ideal for beginners, this hands-on book includes over 100 exercises with multiple solutions, and more than 1,000 code examples so you can quickly practice what you learn. Experienced programmers—especially those who know Perl 5—will also benefit. Divided into two parts, Think Perl 6 starts with basic concepts that every programmer needs to know, and then focuses on different programming paradigms and some more advanced programming techniques. With two semesters’ worth of lessons, this book is the perfect teaching tool for computer science beginners in colleges and universities. Learn basic concepts including variables, expressions, statements, functions, conditionals, recursion, and loops Understand commonly used basic data structures and the most useful algorithms Dive into object-oriented programming, and learn how to construct your own types and methods to extend the language Use grammars and regular expressions to analyze textual content Explore how functional programming can help you make your code simpler and more expressive
Perl 6 Fundamentals
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Author : Moritz Lenz
language : en
Publisher: Apress
Release Date : 2017-07-19
Perl 6 Fundamentals written by Moritz Lenz and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-19 with Computers categories.
Gain the skills to begin developing Perl 6 applications from the ground up in this hands-on compact book, which includes a foreword from Larry Wall, creator of Perl. You’ll learn enough to get started building with Perl 6, using Perl 6’s gradual typing, handy object orientation features, powerful parsing capabilities, and human-usable concurrency. After a short introduction, each chapter develops a small example project, explaining the Perl 6 features used. When the example is done, you’ll explore another aspect, such as optimizing further for readability or testing the code. Along the way you’ll see Perl 6 basics, such as variables and scoping; subroutines; classes and objects; regexes; and code testing. When you’ve mastered the basics, Perl 6 Fundamentals moves onto more advanced topics to give you a deeper understanding of the language. You’ll learn, amongst other things, how to work with persistent storage, how to generate good error messages, and how to write tricky applications such as a file and directory usage graph and a Unicode search tool. What You'll Learn Get coding with Perl 6 Work on several hands-on examples and projects Integrate Python libraries into your Perl 6 programs Parse INI files using regexes and grammars Build a date time converter Carry out refactoring and other automated tests Who This Book Is For If you already know one or more programming languages, and want to learn about Perl 6, this book is for you.
Perl 6 Deep Dive
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Author : Andrew Shitov
language : en
Publisher: Packt Publishing Ltd
Release Date : 2017-09-11
Perl 6 Deep Dive written by Andrew Shitov and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-11 with Computers categories.
Learn Perl 6 effortlessly to solve everyday problems About This Book Filled with practical examples, this comprehensive guide explores all aspects of Perl 6. Leverage the power of Perl 6 concurrency to develop responsive and high-performant software. Delves into various programming paradigms (such as Object Oriented, functional, and reactive) that can be adopted by Perl 6 developers to write effective code. Who This Book Is For This book is for developers who would like to learn the Perl programming language. A basic knowledge of programming is assumed. What You Will Learn Learn the background from which Perl 6 appeared and how it developed. How to use Rakudo to run your programs. Various Perl 6 built-in types and details about their behavior Understand how scalar variables, hash variables, and arrays work Create meta operators and hyper operators How classes work and how to build software based on the Object Oriented Paradigm How Perl 6 provides support for concurrency, functional programming, and reactive programming. In Detail Perl is a family of high-level, general-purpose, interpreted, dynamic programming languages consisting of Perl 5 and Perl 6. Perl 6 helps developers write concise and declarative code that is easy to maintain. This book is an end-to-end guide that will help non-Perl developers get to grips with the language and use it to solve real-world problems. Beginning with a brief introduction to Perl 6, the first module in the book will teach you how to write and execute basic programs. The second module delves into language constructs, where you will learn about the built-in data types, variables, operators, modules, subroutines, and so on available in Perl 6. Here the book also delves deeply into data manipulation (for example, strings and text files) and you will learn how to create safe and correct Perl 6 modules. You will learn to create software in Perl by following the Object Oriented Paradigm. The final module explains in detail the incredible concurrency support provided by Perl 6. Here you will also learn about regexes, functional programming, and reactive programming in Perl 6. By the end of the book, with the help of a number of examples that you can follow and immediately run, modify, and use in practice, you will be fully conversant with the benefits of Perl 6. Style and approach This book will take you through essential Perl 6 concepts so you can implement them immediately
Pro Perl Parsing
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Author : Christopher M. Frenz
language : en
Publisher: Apress
Release Date : 2006-11-07
Pro Perl Parsing written by Christopher M. Frenz and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-11-07 with Computers categories.
Perl, one of the world's most diffuse programming languages, was born out of the need to resolve the creator's dissatisfaction with what were at the time standard data-parsing solutions. Indeed, since the 1.0 release in 1987, Perl has been heralded for its powerful parsing capabilities features that are further enhanced through the thousands of Perl extensions made available through CPAN (the Comprehensive Perl Archive Network). Pro Perl Parsing begins with several chapters devoted to key parsing principles, discussing topics pertinent to regular expressions, parsing grammars, and parsing techniques. This material sets the stage for later chapters, which introduce numerous and powerful CPAN parsing modules, and provide an ample supply of example applications.
Perl 6 Quick Syntax Reference
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Author : J.J. Merelo
language : en
Publisher: Apress
Release Date : 2019-10-02
Perl 6 Quick Syntax Reference written by J.J. Merelo and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-02 with Computers categories.
This condensed code and syntax reference book presents the Raku (formerly known as Perl 6) scripting language in a well-organized format designed to be used time and again. It contains an easy-to-read and use guide to Raku for software application development. Using this book will give you a feel for the language, as well as an introduction to the different features (such as object-oriented programming) that make Raku such a unique language. You won’t find any technical jargon, bloated samples, drawn out history lessons, or witty stories in this book. Perl 6 Quick Syntax Reference is packed with useful information and is a must-have for any developer new to Raku. What You Will Learn Use Raku expressions and operators Work with Raku data access and persistent data Process complex data structures available in Raku Work with functions, modules, and more Use Raku classes, roles, and traits Take advantage of regular expressions and grammars using Raku Use the Unicode standard to its full extent in your scripts Who This Book Is For Those new to Raku who have at least some programming experience in any scripting language.
Regex 2
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Author : Mario Canton
language : it
Publisher: Mario Canton
Release Date : 2018-01-06
Regex 2 written by Mario Canton and has been published by Mario Canton this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-06 with Computers categories.
Con l'esperienza fatta con la prima edizione si è deciso di integrare il testo con una guida più esemplificativa, in modo da poter accostare le espressioni regolari con un taglio più didattico. Si spera di aver ottenuto una maggiore semplicità di esposizione che renda meno ostico l'avvicinamento alle regex. In questa seconda edizione si sono anche prese in esame le varianti (flavours) più diffuse di motori per espressioni regolari, come quelle di editor (EditPad Pro e Lite, Emacs, MS Word, Notepad++, Libre/Apache/Open Office Writer, Vim), fogli di calcolo (Google Documenti – Fogli), database (MySQL, Oracle, PostgreSQL, SQLite), app e shell (Apache HTTPd, Awk, Find, Grep, Nginx, PowerGrep, PowerShell, Sed, ShellScript o Bash), linguaggi di programmazion [C, C++, Delphi, HTML5, Java (con Groovy), JavaScript/ActionScript (con XRegExp), .NET, Perl, PHP, Python, R, Ruby, Tcl, VBScript (Visual Basic), XML, XQuery e XPath, Xojo o Real Basic], librerie (vxRegex, POSIX Base, GNU, Reggex, PCRE) e tester (text2regex, VisualRegExp, Regex Coach, RegexPal, Regex101). Si presume che, anche se l'applicazione che si utilizza non è esplicitamente menzionata, probabilmente usi una variante che viene trattata sotto un'altra denominazione. In genere la maggior parte delle applicazioni sviluppate usano una delle varianti che sono state prese in esame, in quanto la maggior parte delle applicazioni vengono sviluppate utilizzando un ambiente di programmazione o delle librerie di espressioni regolari tra quelle considerate in questo ebook. Si è infine integrato la parte riepilogativa con ulteriori tabulati e quadri sinottici dei comandi e degli operatori (anche relativi alle diverse varianti) e aggiunto una breve appendice tecnica sugli automi finiti, l'algebra e i linguaggi regolari, che stanno alla base della «logica» delle regex. È stata riorganizzata la bibliografia per argomenti (trattazioni generali, Perl e regex, applicazioni specifiche, guide online e testi sulle correlazioni con gli automi a stati finiti).
Beginning Perl
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Author : Curtis Poe
language : en
Publisher: John Wiley & Sons
Release Date : 2012-09-27
Beginning Perl written by Curtis Poe and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-27 with Computers categories.
Everything beginners need to start programming with Perl Perl is the ever-popular, flexible, open source programming language that has been called the programmers’ Swiss army knife. This book introduces Perl to both new programmers and experienced ones who are looking to learn a new language. In the tradition of the popular Wrox Beginning guides, it presents step-by-step guidance in getting started, a host of try-it-out exercises, real-world examples, and everything necessary for a Perl novice to start programming with confidence. Introduces Perl to both new programmers and experienced ones who want to learn a new language Provides a host of real-world applications for today's environments so readers can get started immediately Covers the new features of Perl but fully applicable to previous editions Beginning Perl provides the information and instruction you need to confidently get started with Perl. For Instructors: Classroom and training support material are available for this book.
Higher Order Perl
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Author : Mark Jason Dominus
language : en
Publisher: Elsevier
Release Date : 2005-03-31
Higher Order Perl written by Mark Jason Dominus and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-03-31 with Computers categories.
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. These advanced features are not well understood and are rarely used by most Perl programmers, but they are very powerful. They can automate tasks in everyday programming that are difficult to solve in any other way. One of the most powerful of these techniques is writing functions that manufacture or modify other functions. For example, instead of writing ten similar functions, a programmer can write a general pattern or framework that can then create the functions as needed according to the pattern. For several years Mark Jason Dominus has worked to apply functional programming techniques to Perl. Now Mark brings these flexible programming methods that he has successfully taught in numerous tutorials and training sessions to a wider audience.* Introduces powerful programming methodsnew to most Perl programmersthat were previously the domain of computer scientists* Gradually builds up confidence by describing techniques of progressive sophistication* Shows how to improve everyday programs and includes numerous engaging code examples to illustrate the methods
Computer Science Perl Programming
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Author : Jon Orwant
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2002-11-04
Computer Science Perl Programming written by Jon Orwant and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-11-04 with Computers categories.
These are the best and most timeless articles printed in "The Perl Journal." Topics include networking, software development, coding style, internals, and others.