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Perl is an immensely popular scripting language that combines the best features of C, key UNIX utilities and a powerful use of regular expressions. It has a wide range of uses beyond simple text processing and is commonly used for web programming - creating and parsing CGI forms, validating HTML syntax and hyperlinks - as well as e-mail and Usenet news filtering. Perl is increasingly the system administrator's scripting language of choice and is used for file and directory manipulation, database access and a whole range of daily system operator chores. Text takes the reader from installation, through the core language elements (regular expressions, references, modules, and the like), and on to basic applied techniques. Also covers how to access and work with databases in Perl and write CGI scripts to generate Web pages. Perl 5.6 is used in all the examples, and a handy reference section is included.
With well over a million users, Perl is one of the most popular programming languages. There are many reasons for this, but among those cited by its most loyal adherents, Perl has more features than other languages and more publicly available utilities than all other programming languages combined. Simply knowing what's out there is a daunting task, which is why so much of Perl programming is a matter of lore passed down from experts to novices. Computer Science & Perl Programming: Best of The Perl Journal is the first of three volumes from the archives of The Perl Journal that O'Reilly has exclusive rights to distribute. This insightful volume covers: tips for beginners; regular expressions; data structures; networking; databases; software development processes; object-oriented programming; advanced Perl programming techniques. With articles on object-oriented programming, closures, buffering, parsing, and using other languages.
If you're a system administrator, Web designer, or programmer who wants to write scripts for multiple platforms, you're holding the key to success in your hands. This newly expanded second edition of Eric Foster-Johnson's acclaimed book shows you how to use Perl to automate your daily tasks, create Web pages from CGI scripts, manage files, generate reports, and more for Linux, UNIX, and Windows environments. If you want an easier, faster development solution for client-server and networking applications, this book gives you the cross-platform Perl tools you need to succeed. Topics include: Perl basics and language tutorial; Perl Scripts; Variables; Arrays; Associative arrays; Flow control; File I/O with Perl; Pattern matching and regular expressions; Perl for formatted text database reports; Overview of Perl modules and CPAN; CGI and Web development tutorial with Perl (including using HTML forms); Perl and XML; Perl/Tk.
Introduces the basic elements of computer programming using the context of the Perl language. Variables, loop control constructs, file input and output, regular expressions, references, nested data structures, string and list processing, modules, debugging, abstract data structures and object-oriented programming are covered. This is a complete introduction to programming using Perl, written so it's accessibler to those learning Perl as their first programming language. With examples ranging from useful utility to search the Perl FAQs to a web client for tracking and charting stock quotes to an object-oriented student grading system, this book offers you a practical, hands-on approach to learning programming the Perl way. Inside you will find: style and design issues and the software development cycle; Perl's data types, variables, operators, and control structures; Perl's regular expressions; references and nested data types; list manipulation.
Mastering Perl 5 is like no other book on Perl. Inside, a recognized expert focuses on the latest version of the language, teaching you all the concepts and techniques you need to master, no matter how you're using Perl. Clear, complete explanations and more than 100 practical examples ensure that you find sound solutions to specific problems. Coverage includes: Mastering Perl 5 data structures, including the new references; Creating CGI scripts with Perl; Configuring your Web server for use with CGI scripts; Handling command-line input; Understanding and using regular expressions; Working with string processing; Handling file I/O; Developing e-mail solutions; Accessing Windows databases; Creating object-oriented programs; Managing the Windows Registry; Linking a database to the Web; Debugging your Perl scripts and programs. Mastering Perl 5 is designed to take the fear out of Unix and Perl, covering the key features of Perl for NT and UNIX.
Regular expressions are a powerful tool for manipulating text and data. If you don't use them yet, you will discover in this book a whole new world of mastery over your data. If you already use them, you'll appreciate this book's unprecedented detail and breadth of coverage. If you think you know all you need to know about regular expressions, this book is a stunning eye-opener. With regular expressions, you can save yourself time and aggravation while dealing with documents, mail messages, log files -- you name it -- any type of text or data. For example, regular expressions can play a vital role in constructing a World Wide Web CGI script, which can involve text and data of all sorts. Regular expressions are not a tool in and of themselves, but are included as part of a larger utility. The classic example is grep. These days, regular expressions can be found everywhere from scripting languages including Perl, Tcl, awk, and Python.
Regular expressions are a central element of UNIX utilities like egrep and programming languages such as Perl. But whether you're a UNIX user or not, you can benefit from a better understanding of regular expressions since they work with applications ranging from validating data-entry fields to manipulating information in multimegabyte text files. Mastering Regular Expressions quickly covers the basics of regular-expression syntax, then delves into the mechanics of expression-processing, common pitfalls, performance issues, and implementation-specific differences. Written in an engaging style and sprinkled with solutions to complex real-world problems, Mastering Regular Expressions offers a wealth information that you can put to immediate use.
Modern Perl Programming will help you master Perl's most robust, powerful features so you can make the most of the language whether you're a beginner or an experienced scripter. Michael Saltzman starts with a rapid-fire Perl tutorial and refresher. Then, using actual applications not just code snippets he presents expert guidance on the Perl features that deliver the most power, productivity, and efficiency. Coverage includes: Practical coverage of data types, I/O, control structures, and operators; Making the most of associative arrays, hash tables, and regular expressions; Building your own subroutines; Developing Web-based CGI and network applications; Example-rich coverage of references (pointers)-the cornerstone of advanced Perl development; Object-oriented programming, data structures, and advanced GUI development; Integrating with enterprise-class databases: detailed examples applicable to Oracle and Sybase and other databases.
Welcome to the only guidebook series that takes a visual approach to professional-level computer topics. Inside you'll discover step-by-step screen shots that demonstrate over 100 key Perl tasks, including: Demystifying references; Creating variables and expressions; Building arrays, lists, and subroutines; Generating output; Working with strings; Handling regular expressions; Working with file systems; Harnessing Perl modules; Using Perl with CGI; Working with databases. The companion CD-ROM includes: Perl 5.6.0; Perl Builder and ActiveState Perl Development Kit evaluation versions; Perl2Exe for Win 32 trial version; Visual Perl Editor and UltraEdit32 shareware versions; Plus, all sample code and an eversion of the book. The multifaceted Perl programming language is captured in a new profile in this fascinating, graphically driven synopsis by a group of graphical text designers at Maran Graphics.
Of the multitude of languages available, Perl has emerged as the language of choice for Internet programmers and Web developers who wish to build dynamically interactive sites. And Perl 5 offers programmers a battery of key tools -- including a new compiler that creates faster, more compact code. Only Perl 5 Complete delivers the complete background professional programmers need to be conversant in Perl and create the best Web sites. This requisite sourcebook covers it all basic syntax, regular expressions, and much more. Inside Perl 5 Complete you'll find everything you need to: Master the new Perl compiler; Develop modules for Windows NT: Process, Mutex, Registry, and OLE ODBC; Develop modules for Unix: ProcessMgr, SafeSig, and ReadKey; Use Perl to run databases and CGI applications more smoothly; Interface Perl 5 to Java, Visual Basic, and C/C++; Explore dozens of pre-written programming modules.
Revised to cover Perl version 5.6, this quick reference provides a complete overview of the Perl programming language, all packed into a convenient, carry-around booklet. This third edition covers: A summary of Perl syntax rules A complete list of operators, built-in functions, and standard library modules, all with brief descriptions. The newest Perl features, such as enhanced regular expressions, multithreading, the Perl compiler, and unicode support. Pocket reference providing a complete overview of Perl from variables to input & output, from flow control to regular expressions, from function to document formats, plus a summary of Perl rules.
Of the multitude of languages available, Perl has emerged as the language of choice for Internet programmers and Web developers. In fact, over sixty-five percent of all dynamic Web pages are created using this platform-independent language. Perl Developer's Guide offers complete guidance for professional programmers wanting to create powerful Perl applications and develop robust Web sites. This requisite sourcebook covers it all: basic, syntax, references, regular expressions, flow control, in-depth object-oriented Perl, and much more. Master Perl as a programming language, with tons of explicit, relevant examples. Master the Perl programming environment (including profilers, debuggers, and the compiler) Develop reusable modules for both Windows NT and UNIX Develop and debug CGI applications, and add database backends to your CGI scripts Leverage existing Perl scripts and put CGI front ends onto them. Get familiar with free-to-use Perl APIs.
The Perl book written for the C and C++ programmer. Perl for C Programmers teaches what's similar and different between Perl and C/C++ and how to then utilize Perl to the fullest. 80% of the people who start using Perl for the first time come with a background in the C or C++ programming language. This book is written for those people. Perl is becoming one of the most common languages used in web development because of its powerful ability for text manipulation. There is a large need for Perl books that clearly explain how to use Perl in terms the reader can understand. The primary audience coming to learn Perl is C and C++ programmers. Topics include: CPAN (The Module Archive); Installing Modules; Using the Perl Debugger; Simple I/O; Looping Statements; Variable Declarations and Simple Expressions; Multiple Dimension Arrays; The split and join Functions; The splice Function; The grep Function; Basic Regular Expressions; Hashes; Perl Packages.
Every journey requires a first step, and the assumption that everyone interested in learning Perl has a programmer's background can make other Perl books inaccessible to the absolute beginner. Enter Perl for Dummies, a book that presumes that the reader wants to know only how to master the mechanics of Perl. Just because it starts at the beginning--and we're talking about the very basics--doesn't mean that Perl for Dummies doesn't head into more advanced topics. Paul Hoffman explains the programming terminology and mathematical concepts that programming in Perl requires. He also moves beyond basic file manipulation, discussing pattern matching and using regular expressions. He touches on good Perl style, as well as object-oriented Perl.
This new book by the world's leading programming language textbook authors carefully explains how to use Perl as a general-purpose programming language and how to program multi-tier, client/server, database-intensive, Internet-and-Web-based applications. Dr. Harvey M. Deitel and Paul J. Deitel are the principals of Deitel & Associates, Inc., the internationally recognized corporate training and content-creation organization specializing in C++, Java, C#, C, Visual Basic, XML, Python, Perl, Internet, World Wide Web and object technologies. The Deitels are also the authors of the world's #1 Java and C++ textbooks, Java How to Program, and C++ How to Program. Topics include: CGI, HTML forms, XML, CGI.pm; Control Structures, Arrays, Hashes; Regular Expressions, Strings; Objects, Encapsulation; OOP, Inheritance, References; OOP, Inheritance, References; Security, Accessibility; Typeglobs, File Globbing; Networking, Sockts, Internet Protocols.
The fourth edition of our popular Perl pocket reference now covers the latest release – Perl 5.8 – with a summary of Perl syntax rules, a complete list of operators, built-in functions, and standard library modules. All with brief, easy-to-find descriptions. You'll find the newest Perl features, such as enhanced regular expressions, multithreading, the Perl compiler, and Unicode support. Perl Pocket Reference provides a complete overview of Perl, packed into a convenient pocket-sized guide that's easy to take anywhere. Provides a complete overview of the Perl programming language, packed in a convenient, carry-around booklet. Updated for Perl 5.8 and covers a summary of Perl syntax rules, a complete list of operators, built-in functions, and standard library modules, all with brief descriptions. This booklet is a Perl reference book. Do not expect to learn Perl from scratch with this booklet.
This course is intended for experienced programmers with user level skills in the UNIX environment. Many programs will be written during the class. The lecture topics and lab exercises concentrate on the Perl language and its features, with less emphasis on application specific subjects. The particular applications that you will design, write, and work on during this class are intended to demonstrate the use of Perl's capabilities and services provided in UNIX programming environments. The example programs will provide guidance when you get back to work and begin development on real projects. Topics include: Perl Course Introduction; Overview of Perl; Perl Variables; Arrays and Hashes; I/O: Input Operations and File I/O; Operators; Flow Control; Regular Expressions; Subroutines; Quoting and Interpolation; References; Complex Data Structures; Packages and Modules; Advanced Regular Expressions; Binary Data Structures; Multiasking with Perl.
Perl Weekend Crash Course covers the fundamentals of Perl programming including the basic grammar of Perl, syntax, and data manipulation and transformation. In addition, you'll find coverage of perl modules, functions, regular expressions, CGI programming and programming the SQL database interface via the DBI perl module. Perl Weekend Crash Course shows you how to embed Perl within an Apache server and it includes a CD-ROM that provides you with all the code and auxiliary files, pre- and post-assessment software to evaluate the user's progress, and other value-added software. Topics include: Getting and Installing Perl; An Overview of the Perl Language; The Very Basics of Perl; Using Text Editors; Basics of Perl Programming Style; Scalar Data; List and Hash Data; Statements and Expressions; Operators; Basic Input and Output; Control Structures; Perl Native Functions; Advanced Input and Output: File Manipulation; Directory Manipulation.
Perl Studio is an integrated development environment for Perl, providing comprehensive and easy-to-use solution for editing, debugging and deploying Perl based applications. This advanced Perl editor enables developers to code faster and more efficiently with many convenient features such as: Built-in HTTP server and internal web browser for testing CGI/Perl scripts directly, automatic code completion and parameter hints for Perl, and HTML objects and built-in FTP client for directly editing files from remote servers. Other features include: Configurable multi-language syntax highlighting for Perl, SQL, XML., search/replace with regular expressions, find in files, syntax checking for Perl code, visual file comparison utility, code libraries for Perl, HTML and JavaScript, templates, project management, parentheses matching, file explorer, custom color schemes, modern user interface with intuitive design and more.
This article will get you started with CGI scripting, the force that makes your forms work, your counters count, and all kinds of other things happen. CGI scripts can be written in a variety of computer languages, but my favorite is Perl, which also just happens to be one of the most used languages for CGI scripting. Topics include: scalars, arrays, and associative arrays; Perl operators; Perl loops and conditionals; turning Perl into CGI; string matching and regular expressions; splitting strings; environmental variables; dealing with input.
The most frequently asked questions about Perl. This site breaks the FAQ's down into broad categories including: Data Manipulation (manipulating numbers, dates, strings, arrays, hashes, and miscellaneous data issues); Files and Formats (I/O and the "f" issues: filehandles, flushing, formats and footers); General Perl Language Issues; General Questions About Perl; Networking; Obtaining and Learning About Perl; Programming Tools; Regular Expressions (Pattern matching and regular expressions); System Interaction.
A guide to Perl 5 for C/C++, awk, and shell programmers. Topics include: Perl versions; Obtaining Perl binaries, documentation; Command line usage; A prototype Perl script; Control constructs; Variables including scalar types, string or number, null string, operators, lists, arrays, hashes, variable declaration, barewords; Calling functions; Defining functions; Returning values; Optional parameters; Regular expressions; Command line arguments; File I/O; Running external commands; References; Packages, modules, records, and objects in Perl.
This tutorial will show you some of the most important Perl Basics features that you must know if you want to use Perl language. Perl is an open-source server-side programming language and one of the most popular web programming language. It is also a cross platform programming language and supports vary operating systems such as Unix, Windows, Solaris, Macintosh. A Perl program is called script and can be created with any text editor and saved in a file with the extension.pl-But if you want do see highlighting syntax or some other important editing features, they suggest you to use some dedicated editor. You'll get information about: installing Perl, running Perl, scalar data, variables and operators, lists and arrays, hashes, regular expression, pattern matching, statements, functions and subroutines, files and directories, forms, command line Perl, using modules, database access, and using CGI from Perl.