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This is a book on the widely used programming language, Perl. It includes both descriptions of the features of the language, and how they can be used to write useful programs. As is usually the case with books on programming, the examples are small and are designed to illustrate one or a few language capabilities. Larger, more complex programs often drown the features the book is trying to show, just by their size and structure. The goal of the book is to provide a clear and concise description of Perl for someone who has programmed in some other programming language and wants to learn to use Perl. In many ways, Perl is similar to other programming languages; in some other ways, it is very different. We point out, whenever it is relevant, the advantages Perl offers over alternative languages. Perl has been for some time the most widely used UNIX system administration language. It is now also the most popular scripting language for writing CGI.
A programmer's guide to creating faster, more robust, interactive Web pages using PerlScript. PerlScript is an emerging scripting language that lets UNIX programmers write easy code for powerful and hot new Microsoft technologies such as Active Server Pages (ASP). Like JavaScript or VBScript, PerlScript is a "lite" version of a full-fledged programming language. Both Perl and VBScript programmers will benefit from the move to PerlScript because it provides cost benefits, superior power, and speed. This book provides a no-filler tutorial on PerlScript with plenty of concise examples that focus on using Active Server Pages (ASP) objects, and ActiveX Data Objects (ADO). It gives programmers the exact syntax for methods, properties, setting properties, database programming, collections, and data retrieval. CD-ROM contains ActivePerl plus all examples and scripts from the book. This guide walks through ActivePerl installation and configuration.
Perl has evolved from its beginnings as an eclectic scripting tool for UNIX administrators into one of the most popular, influential, and widely-used computer languages in history. In this course, you will learn how to fully utilize the Perl programming language. Disk included. Designed for application programmers, system administrators, Web site authors, Webmasters, UNIX/NT users. Prerequisites: Perl Programming and Perl application development experience. Full comprehension of the extending and embedding material will require some C or C++ programming experience. Topics include: argv, export, inc, and ISA; data inheritance, data_sources, dbi_pass, DELETE, derived class, dlls, driver handle, dynaloader, dynamic SQL, embperl, errstr, eval, ErrorDialog, even handlers, Exporter, FETCH, file scope, FILEHANDLE, focusNext, gunzip, hashes, httpd, IO, Laryy Wall, lists, list context, loops, main::package, make install, make dist, make clean, Makefile.
Written for Web developers and managers who are considering alternatives to commercial products, this guide to Apache and Perl provides information and instructions for building Web sites. Criteria for selecting an operating system and strategies for configuring a Web server are introduced, and a discussion of Open Source databases and development tools is included. Also provided are sample designs for common types of Web sites and techniques for content development and management. Topics such as security, performance, and ways to merge scripts and HTML, all using freely available software, are highlighted. Describes the open source tools available for building web sites. The author begins with the selection of an operating system, the Apache web server setup, and the basics of Perl CGI scripting. He then discusses databases, ways to speed up the performance of CGI, secure communications, and tools for embedding Perl scripts into web pages.
Perl is the perfect language for achieving Automation in Windows because it combines a painless Visual Basic style of coding with Perl's strength as a scripting language for process communications. The new multitasking and networking approaches with 32-bit Windows require a radical departure from previous programming techniques. This book, dedicated to the use of Perl as a language to automate 32-bit Windows, shows how to control many Win32 systems processes without immediate user interaction. The author explains how to use Perl scripts to automate tasks such as processing complex documents and customizing interactions by making a program look different to different users. Also provided are Perl scripts that will permit network administrators to automate tedious Windows maintenance tasks that range from automating backups to running a Windows system remotely from the Web. Topics include: Win32 Perl cron utility; using SMTP e-mail with Win32 Perl.
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.
Now developers can learn how to write robust, secure, and efficient Common Gateway Interface programs for the Web. Ideal for DOS, UNIX, or Windows users since CGI is platform independent, the book contains an abundance of solutions to "real-world" problems, along with a helpful focus on CGI scripting. The CD-ROM includes source code and examples from the book. This book is one of the first books to provide comprehensive information on developing with CGI (Common Gateway Interface). It covers many of the aspects of CGI including, interactivity, performance, portability, and security. After reading this book, the reader will be able to write robust, secure, and efficient CGI programs. - Covers client/server programming, working with gateways, and using Netscape. Readers will master forms, image maps, dynamic displays, database manipulation, and animation. Also included is: Common Gateway Interface (CGI); HTML and Forms; and CGI Security.
The Perl Multimedia Cyber Classroom delivers complete interactive Perl training that includes more than 3 hours of audio, hundreds of programming and interactive exercises, more than 100 complete Perl programs, full-text searching, hyperlinking, tips, tricks, and more. Perl By Example is a guide to Perl that starts with the basics of Perl scripting and carries you all the way to advanced networking and Web applications. Coverage starts with statements, variables, scalars, arrays, hashes, and printing. Understand Perl operators, expressions, control structures, and file handling. Next, learn how to modularize and package Perl scripts, work with objects in the Perl environment, interface with the surrounding system, and create sophisticated reports. Using extensive examples, learn how to use Perl on the Web and in advanced networking applications that utilize message queues, semaphores, and shared memory.
The only one-stop resource for Web developers and programmers. This book is an indispensable resource for Web developers and programmers who program CGI applications in Perl. It is designed to function as both a comprehensive reference to the fundamentals and a hands-on tutorial with detailed examples on creating and customizing CGI applications for the Web. Readers learn how to set up a server for integrating CGI scripts, how to work with HTTP variables, and other important CGI basics. They get a complete review of all the Perl syntax needed to create CGI programs and learn how to upload and test scripts and how to use libraries effectively. The book begins with an overview of CGI fundamentals and shows you how to set up a server for integrating CGI scripts. Hanegan then offers detailed coverage of Perl, including all the syntax for CGI programs. He also shows you how to upload and test perl scripts.
If you are ready to build your own customized interactive documents, forms, graphics, and other full-feature CGI applications using Perl, then this book will show you how. Developing CGI Applications with Perl is written by a team of CGI experts who have developed cutting-edge applications for many of the most advanced sites on the Web. This book: Provides all of the tools and techniques to build dynamic documents, database query tools, interactive graphics, Web search tools, and all other types of CGI applications; Covers CGI, HTTP, and the Perl scripting language; Reveals many of the best Web server utilities, HTML utilities, and other CGI applications now in use around the world. This comprehensive guide assumes no prior familiarity with Perl. This book offers a comprehensive tutorial for creating interactive Web applications using CGI. After an introduction to CGI, HTTP and the Perl scripting language, it offers complete Perl tutorials.
Leading Perl trainers and a Windows NT practitioner teach you to program in the language that promises to emerge as the scripting language of choice on NT. This book is the "official" guide for both formal (classroom) and informal learning. Based on the "llama book," Learning Perl on Win 32 Systems features tips for PC users and new, NT-specific examples. On Win32, Perl is a language for easily manipulating text, files, user and group profiles, performance and event logs, and Registry entries, and a distribution is available in the Windows NT Resource Kit. This book includes an introduction to "the Perl way" for Windows users; a quick tutorial stroll through Perl in one lesson; systematic, topic-by-topic coverage of Perl's broad capabilities; innumerable, bried code examples; programming exercises for each topic, with fully worked-out answers; access to NT system functions through Perl; database access with perl; and OLE automation with Perl.
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.
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.
A book/CD-ROM providing 200 detailed solutions to Perl and CGI problems in question-and-answer format. Solutions are complete with reasons why the problem occurs, step-by-step directions, potential pitfalls, alternate solutions, and source code. Solutions are graded by complexity to help beginners separate out advanced tasks. The accompanying CD-ROM contains Perl 5 source and binaries, extensions, utilities, and HTML pages, as well as solutions and code from the book. For beginning through advanced Perl programmers. Perl 5 How-To saves Perl programmers hours of programming time by providing solutions to over 200 Perl problems in easy-to-access, award-winning Q&A format. Multi-platform (UNIX, DOS) documentation and solutions. Over 200 practical solutions to Perl programming problems. CD-ROM includes Perl source code, binaries, scripts, and utilities-all of which can be plugged into the readers own Perl programs.
Perl is one of the most popular scripting languages for adding powerful interactive features to Web pages. Perl lets you place forms on your site that collect and process user input such as comments and product orders; enables visitors to search for information; and can integrate a database into your site, among its many other capabilities. Perl and CGI for the World Wide Web, 2nd Edition: Visual QuickStart Guide fully revised and updated since its original 1998 release, gets users to the core of CGI scripting with Perl. Even first-time programmers will be able to create useful, workable scripts from scratch, or adapt and customize existing scripts to their own needs. Hundreds of screen shots and clear, easy-to-understand directions make this the perfect Perl book for beginners, as well as a handy reference for those with previous programming experience. Use CGI.pm, the standard Perl module for analyzing incoming form data.
Both a reference and tutorial, this book covers the varieties of Perl and their system and Web applications. Chapters address scripts, printing, names, operators, pattern matching, files, subroutines, libraries, references, databases, interfaces, report writing, CGI, and related topics. An accompanying CD-ROM contains all the source code in the book. Through proven sample programs, professional Perl trainer Ellie Quigley takes readers from their first program to highly sophisticated scripting.
This book is one of the most practical and concise guides available for Perl programming. It includes step-by-step solutions on object-oriented programming in Perl. It provides highly referenceable, task-oriented answers to scripting with Perl. Numerous immediate solutions are provided with field tested examples to help Web developers quickly solve problems. Steven Holzner (Cambridge, MA) is a former contributing editor for PC Magazine and has authored more than 60 books ranging in subject from assembly language to C++.
Packed with painless techniques to help you start programming. Your first aid kit for writing Perl programs that know how to talk to a Web server You've just found the easy answer to writing programs with Perl, whether you're new to programming or have some scripting under your belt. From simple to complex programming, these pages offer you tried-and-true tips on installing Perl, working with text and numbers, and creating lists, strings, operators, and more. all this on the bonus CD-ROM ActivePerl All examples from the book Plus Chapter 23 in HTML format PC running Windows 95 or later or Windows NT 4 or later or a 68040 Mac running OS 7.5.5 or later. See About the CD Appendix for further requirements and details. Includes ActivePerl from ActiveState Tool Corp. ActivePerl and examples from the book on CD-ROM. The Perl programming language is being updated so that it can convert current Web data to XML and this title prepares you for the change.
Checking links, batch editing HTML files, tracking users, and writing CGI scripts--these are the often tedious daily tasks that can be done much more easily with Perl, the scripting language that runs on almost all computing platforms. If you're more interested in streamlining your web activities than in learning a new programming language, Perl for Web Site Management is for you: it's not so much about learning Perl as it is about using Perl to do common web chores more efficiently. The secret is that, although becoming a Perl expert may be hard, most Perl scripts are relatively simple. Using Perl and other open source tools, you'll learn how to: Incorporate a simple search engine; Write a simple CGI gateway; Write a simple form-processing CGI script; Convert multiple text files into HTML; and Monitor log files Track users as they navigate your site. Although the book is written for Perl novices, it can also benefit more experienced programmers.
Graphics programmers aren't the only ones who need to be proficient with graphics. Web and applications programmers know that a dull web page can be quickly transformed into one that's interesting and lively with the use of well-planned graphics. And fortunately, you don't need the skills of a fulltime graphics programmer to use graphics effectively. From access counters and log report graphs to scientific plots and on-the-fly animated GIFs, graphics scripting is within the grasp of most web programmers. Using open source software, like Perl, you have the power to dynamically generate graphics based on user input and activity, easily manipulate graphics content, and optimize graphics for compression and quality. With this book you'll learn to: Generate dynamic web graphics with charts, tables, and buttons; Automate graphics tasks (thumbnails and borders); Create dynamics web documents (PDF, Postscript).
Perl is not only the scripting language of choice for many people, but a powerful programming language that can be used to develop serious applications. Backed by numerous libraries, this language is capable of performing just about any task. This book examines the Perl libraries that are most interesting to developers of professional, real-world applications. It covers web client and server programming, manipulating data in databases and LDAP servers, network and distributed programming, embedding Perl into web pages (templates, HTML::Mason, HTML::Embperl, Apache::ASP, and PerlScript), mathematical and computational applications, graphics and GUI programming, and creating and manipulating XML. This book is an essential read for developers who are interested in integrating Perl with various technologies and developing sophisticated applications. Building on a working knowledge of Perl, this book provides clear and detailed coverage of its topics.
Programming Perl, 3rd Edition is the authoritative guide to Perl version 5, the scripting utility that has established itself as the programming tool of choice for the World Wide Web, UNIX system administration, and a vast range of other applications. Version 5 of Perl includes object-oriented programming facilities. The book is coauthored by Larry Wall, the creator of Perl. It covers Perl language and syntax, functions, library modules, references, and object-oriented features, and also explores invocation options, debugging, common mistakes, and much more. This release has been expanded to cover the 5.6 release of Perl including profiling, pod, Unicode, threading, compiling, and Perl internals
From access counters and log-report graphs to scientific plots and on-the-fly animated GIFs, graphics scripting is within the grasp of most Web authors. However, it is a poorly documented field. Programming Web Graphics with Perl & GNU Software shows intermediate and advanced Web designers how to use CGI scripts to generate dynamic graphic content and demystifies the manipulation of graphics formats for newcomers to the Web. Programming Web Graphics with Perl & GNU Software covers a narrow but powerful niche of Web development: on-the-fly graphics generation. It also focuses on the Perl language and its associated free code modules, making the techniques you learn in this book immediately available for free. Among the tools discussed in this book is the GD Perl module for working with GIF files, the GNU Image Manipulation Program (GIMP), GIFScript, and ImageMagick. Looks at the popular image formats on the Web: GIF, PNG, and JPEG.
Perl, a powerful programming language in the UNIX arena, can be used for manipulating text, generating reports, and performing system tasks. Assuming no prior programming knowledge, this easy-to-use guide shows readers how to use this language to develop dynamic user interfaces into Windows NT databases-in no time. Extensive coverage of scripting model architecture, lists and array variables, subroutines, mathematical functions, scalar conversion functions, debugging, and more. Includes Q&A sections, practical exercises, and week-at-a-glance previews. CD-ROM includes everything you need to start creating your very own Perl applications and scripts, including Perl 5 for Win32, Velocis SQL Database server engine, Microsoft Internet Explorer 3.01, all of the examples from the book, and more. With the formalization of Active Server Pages and its new scripting model in Windows NT and IIS, Perl provides a viable alternative to JavaScript and VBScript.
The computer program scripting language Perl is described here for those network administrators working with Windows. Rather than teaching how to run a Win32 network, this book teaches techniques for streamlining tasks. The text covers account maintenance, tools, crisis management, monitoring, reporting, logon scripts, processes, Win32 services, and ADSI and WMI. The book includes using Perl and COM to interact with Windows programs; writing autoloading Win32 services using Perl; managing drives, users, and group accounts, including backing up user databases and modifying user login profiles; securing system through effective permission management; scripts which enable you to locate data in the Registry, interact with ADSI and WMI, check for errors in event logs, managing running processes on local and remote machines, and manage user privileges. David Roth is the contributor of Win32:ODBC and varioius other popular Win32 Perl extensions.