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Books : Computers & Internet : Programming : Languages & Tools : RPG
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This latest edition covers all the new functions and features that have been added to RPG IV, including explanation of all the alternate syntax options and the more than 30 new op codes and built-in functions. This book takes programmers through RPG IV, from its foundation to its most advanced techniques, detailing built-in functions and op codes with syntax tables that provide requisite information at a glance. Also included are more than 100 charts and tables showing showing rules and their applications, and more than 350 real-life code samples of functions and operations.
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Bob Cozzi's resume is truly impressive: nearly 20 years of AS/400, iSeries, and System i5 experience; more than a decade of RPG IV development; and nearly 30 years of RPG programming. He has confronted, evaluated, and circumvented nearly every roadblock RPG programmers can experience. He not only blasts through RPG IV's shortcomings, but he also creates extensions that provide features that are simply not available in standard RPG. With 101 Dynamite Tips 'n' Techniques, Cozzi provides the solutions to dozens of techincal dilemmas, insights into resources formerly available only to a select few, and exposes RPG IV extensions that use his vast knowledge of System i5 MI instructions -- all with easy-to-use wrappers that even the most inexperienced RPG IV programmer can implement. Lift the code right out of the book and into your applications!
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What could be more important than upgrading your RPG skills? Traditional fixed-format style RPG IV programmers everywhere are embracing the increased productivity, better readability, and easier program maintenance that comes with the free-format style of programming in RPG IV. This book, a "how-to" guide and the first of its kind, will provide you with concise and thorough information on this powerful new way of coding RPG IV.
Though free-format information is available in IBM manuals, it is not separated from everything else, thereby requiring hours of tedious research to track down the information you need. With this book, your search is over. Free-Format RPG IV is the "one-stop" resource that will save you time and frustration. In it, you'll find everything you need to know to write RPG IV in the free-format style.
Author Jim Martin not only teaches rules and syntax, but also explains how this new style of coding has the potential to improve overall programmer productivity—from initial development through maintenance. He methodically covers the "how to" involved in free-format RPG IV, including many style issues, such as named indicators and built-in functions. He also addresses input and output, program flow, data manipulation, and math operations. There is even a chapter on prototyping and APIs.
Free-Format RPG IV is the definitive guide on the topic and just what you need to get started with this exciting, powerful style of programming.
With Free-Format RPG IV you will:
- Learn not only the "how-to," but also the "why" of free-format RPG IV
- Acquire essential, free-format style tips to help you write good, maintainable code
- Find complete-program solutions for specific problems, including associated display and printer files
- Discover how upgrading your RPG skills to free-format can take your programming career to the next level.
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Since its original publication, Programming in RPG IV has given thousands of students and professionals a strong foundation in the essentials of business programming using RPG IV. Now Bryan Meyers has teamed up with Jim Buck to produce the most significant update to the book since that first edition. The all-new Fourth Edition is completely reorganized and rewritten to reflect the RPG IV style and techniques used by todays most capable RPG technicians.RPG IV is evolving and gaining capabilities at a more rapid rate than any of today s other computer languages, and this text is up-to-the-moment in its coverage of the specifications, operations, and functions of the language. The coverage uses V5R4 as its base release and is also compatible with later releases.
Free-format specifications, modular procedures, the latest built-in functions, and more are all covered in this fully updated text, complete with numerous programming examples and support material. The topics have been reorganized to follow a more logical approach to teaching the language than did previous editions. The new order also reflects the importance of the language components in real-world usage.
The scope of the book includes comprehensive coverage of the program development process, RPG IV specifications and operations, top down structured design, database definition and processing, interactive applications, and modular programming. This edition explains and emphasizes important concepts of the Integrated Language Environment, including the use of modular procedures and service programs in a modern System i application.
A series of appendices will prove useful not only while you are learning RPG IV but also as everyday references. The appendices include a comprehensive summary of RPG IV syntax elements (specifications, operations, functions, and so on); an RPG IV style guide; introductions to program development tools 9including WebSphere Development Studio Client and Programming Development Manager); a guide to debugging programs; and a summary of legacy syntax and techniques for use when maintaining older applications.
Using the techniques in this book, you will be well equipped to create highly effective and maintainable RPG IV programs using the latest techniques.
If you've taught with previous editions of Programming in RPG IV, you ll appreciate how the new flow of the book, along with all new instructor materials, makes it easy to build a solid, modern RPG IV foundation for your students. By focusing on real-world problems, down-to-earth solutions, and the latest style techniques, this book will make them stand out in the RPG marketplace.
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As the roles of Java in business and e-business applications continue to grow, all iSeries and AS/400 IT professionals have a choice to make—learn Java or get left behind. Programmers, development managers, and architects who want to stay on the cutting edge of their careers must learn how to use and understand Java. IBM is not abandoning RPG, but more and more Java is finding a role in leading-edge applications. For an RPG programmer, learning Java can be daunting, but with the right help, it's a skill that can be mastered. This completely revised and updated edition offers that help by gently yet comprehensively teaching the Java language and core Java-supplied functionality.
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The latest edition of this best-selling textbook has been fully revamped to cover the RPG IV language in Version 5. Plenty of coding examples illustrate the new free-format Calculation Specifications, as well as the latest built-in functions and other features of today's RPG IV. "Programming in RPG IV" represents all the facets of RPG IV needed by today's professional programmers in a comprehensive, readable guide appropriate for both professionals and students.
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Many courses for AS/400 programmers stop short of teaching you subfile programming. Subfiles are the AS/400 tool that supports displaying lists of data on the screen, and in today's increasingly screen-based world, you must understand and be able to use them. In fact, every list that you have seen the AS/400 display has been created using the same programming techniques that you will learn in these chapters. This text introduces you to subfiles and leads you through the process of creating and debugging subfile programs. As new subfile concepts are presented, you will develop and expand the same programs to meet expanded specifications. This approach mirrors the real world in which new specifications continually add to the complexity of interactive programs. You will program interactive displays that help users find the data they need and update records as required. You will learn several techniques for designing screens that help make user displays intuitive and easy to use. In a later chapter, you'll learn to use two tools — journaling and commitment control — that will protect your database's integrity when programs let records be changed. The two ongoing sets of exercises in this text take you through the process of developing an inventory display screen and a purchase order line display screen with data maintenance capabilities. To get the most from this book, work through all segments of the continued exercises, as well as through the additional bookstore order system project that follows Chapters 5 and 7. Chapters 8 and 9 introduce Integrated Language Environment (ILE) tools for RPG. These include bound calls, multiple modules in a program, creating and using service programs, using procedures, and prototyping. Other advanced topics include using such file-oriented elements as record format level identifiers, the OVRDBF (Override with Database File) and OPNQRYF(Open Query File) CL commands, file and record locks, and file security; mining the file-information and program-status data structures for information; handling errors via the *PSSR subroutine, the INFSR keyword, and the Input/Output operation error indicator; and using data queues for program-to-program communication. Don't neglect the appendices! Appendix A explores the programming standards you'll meet in most IS departments and takes you beyond them into issues of programming style. Appendix B introduces debugging tools and techniques to support your programming skills. Finally, Appendix C gives you invaluable training in using Screen Design Aid (SDA). When you interview for a job as an AS/400 programmer, you will be asked about your knowledge of subfiles and other advanced RPG topics. Once you complete this text, its exercises, and the additional bookstore order system project, you'll have a head start on your first programming position or — if you're already a programmer — additional professional development that will count in your department and your company.
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Programming in RPG/400, Second Edition, refines and extends the comprehensive instructional material contained in the original textbook. This second edition features a new section that introduces externally described printer files, a new chapter that highlights the fundamentals of RPG IV, and a new appendix that correlates the key concepts from each chapter with their RPG IV counterparts.This illuminating textbook provides a strong foundation in the essentials of RPG/400 programming and addresses the needs of students and instructors in transition to RPG IV. As a teacher or student, you will welcome the "real-world" approach used throughout -- as will the eventual employers of those who complete a course based on this text. Dr. Yaeger designed the book to give students a thorough understanding of how to use RPG/400 efficiently in a variety of practical applications.
The book begins with an overview of programming for students new to the field. The fundamental concepts of business programming, as well as the development of the RPG language, are presented to ensure your understanding of how RPG evolved to the formats in use today. Everything you need is here to learn how to write a well-designed RPG program, from the most basic to the more complex. Among the topics treated are the principles of top-down design, including the use of subroutines; externally described files; interactive programming; tables, arrays, and advanced data definition, as well as byte- and bit-level operations; inter-program communications; a summary of RPG II with its fixed-logic cycle and use of indicators; and a preview of RPG IV.
Each chapter includes a section of questions, exercises, and programming assignments that reinforce the knowledge you have gained from the chapter and strengthen the groundwork for succeeding chapters. Three appendices cover essentials of AS/400 features needed for program development, SEU, and debugging programs. A fourth appendix contains data file definitions used in the book's programming assignments. The final appendix outlines how the concepts presented in each chapter are handled in RPG IV. An instructor's kit is available on diskette that includes complete data files and solutions for all programming assignments.
This textbook belongs on the required reading list for anyone learning RPG/400 -- and RPG IV -- for use in today's business world.
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This book is dedicated RPG IV Programming language and the AS/400 environment. The book includes over 60 compiled RPG IV listings documented with a line by line explanation of the instructions and or annotated comments. The author has included over 500 figures and he addresses other important AS/400 software with separate appendices for SEU, PDM, DFU, SDA and interactive debugging. Every chapter includes a summary, review questions, and programming assignments.
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RPC, or remote procedure calling, is the ability to distribute parts of a program to other computers on a network. An RPC facility manages the exchange of data between computers to make remote execution tranparent to the user. Distributed applications based on RPC can utilize distributed network resources and increase significantly the computing power brought to bear on complex problems. An RPC facility is the fundamental element of a distributed computing environment. The book builds a working understanding of RPC programming through examples. Sun RPC, the de facto standard on UNIX systems, is covered in detail. Interprocess communication and other related UNIX programming topics are also covered. The standard-issue RPC documentation is difficult to understand and lacks real-world examples. There are, in addition, many techniques to learn. This book, written from a programmer's perspective, shows you what you can do with RPC and presents a framework for learning it. Contents include:- Foundations of remote procedure calling; what it is, how it works, and which vendors support it.
- What RPC offers to application and product developers. How RPC fits into a distributed computing environment.
- ONC and DCE, a comparison of their similarities and differences.
- How to develop, debug, and deploy networked applications.
- Understanding the interprocess control (IPC) mechanisms on which RPC is based.
- Using remote procedure calling in parallel/distributed processing and scheduling.
- Using remote procedure calling with windowing systems.
- Examples of distributed applications using both single and multiple concurrent servers.
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Conan: The Roleplaying Game has been widely accepted by gamers as the most dramatic advance in gaming since the arrival of the d20 system. Filled with innovative ideas and exciting concepts, it is the most talked about RPG of the year. The Conan arms, armour and equipment supplement/compilation. A compilation of all the weapons, arms, equipment, alchemical items, etc. from all the Conan books we have already published. Also advanced rules for creating and repairing items. Rules and prices for hiring mercenaries and other hirelings. A table of the prices that may differ from one Hyborian Kingdom to another.
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This book begins with easy-to-understand explanations of subfile concepts then goes on to offer a bounty of practical examples, advanced techniques, and other cool stuff never before seen in subfile books. It is a comprehensive resource you will use over and over as you advance from basic subfile usage to gurulike mastery of subfile programming. For each topic, the book offers concepts, explanations, and practical examples you can use as templates for further development. These templates are fully functioning programs that include both DDS and RPG IV code from basic single-page display subfiles to powerful techniques like recursion, data queues, and embedded SQL. As an added bonus, each example is included on an accompanying CD-ROM, ready to copy to your AS/400. Mastering subfiles is often the defining moment in an RPG programmer's career. This book provides you with the concepts, styles, and advanced techniques using RPG IV and ILE that will enable you to become a subfile master in your own right. Upon completion of this book, you will be able to: Understand and use subfiles, manipulate database files using subfiles, display multiple subfiles on a screen, use a window subfile for selection lists, manage cursor placement within a subfile, use CL to send messages to a message subfile, use data queues with subfiles, sort a subfile dynamically using embedded SQL, use subprocedures with subfiles, and use recursive programming techniques to build subfiles.
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Focusing on top-down, modular programming concepts, this Second Edition of the popular text shows readers how to write structured RPG programs for easy code development and maintenance.
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With the help of e-RPG: Building AS/400 Web Applications with RPG--a revolutionary new book from Midrange Computing--you can develop fully functional e-business solutions using nothing more than your existing knowledge of RPG and the Web facilities already included in OS/400. There's no need to learn Java, Visual Basic, Perl, or even Visual RPG! Step-by-step, author Bradley V. Stone shows you how to: Build Web applications using RPG, create Web pages in HTML, enhance the interactivity of your web pages with JavaScript (not to be confused with the Java programming language), set up your AS/400 as an HTTP server, use RPG to write Common Gateway Interface (CGI) programs, write an RPG program to output dynamic HTML to a browser, create Web-based reports from AS/400 data, read input entered on a web page into your RPG program, use ILE to enhance the functionality and maintainability of your web programs, debug an e-RPG program, use dynamic OPNQRYF sorts and selections for your web page, build a full-function e-commerce application in RPG, and more! e-RPG: Building AS/400 Web Applications with RPG comes with a CD-ROM that contains full source code for examples given in the book, including binder language source for service programs; /COPY prototype source; DDS for physical files, logical files, and external data structures; HTML source; HTML images; module source; and complete RPG source for all e-RPG programs.
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Build It and They Will Play!
·Quick-start tutorial to create your own adventure in an afternoon
·Strategies for using every editor, database, and creation tool
·Detailed, step-by-step instructions to build your own world, town, and dungeon
·Thumbnails of every building, texture, item, character, and enemy for quick reference
·Complete walkthrough of the Fu-Ma role-playing game
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OPNQRYF (Open Query File) is the most powerful, most complex, and least documented command in the CL language. You can use it to sort and summarize data, but it can also do much more for you. It allows you to create new fields and assign values to them, perform complex joins of multiple files, create new files with existing and calculated fields, select records (even based on summarized data), and much more! The more you learn about OPNQRYF, the more opportunities you will find to use it in your applications. This book explains the ins and outs of OPNQRYF from the basic operations through the most complex mapping and selection parameters. This new edition of the best-selling book includes invaluable new material. There are new chapters on date data type, ILE, and the Year 2000 issue. The book is reorganized to make it more useful not only as a learning tool, but also as a reference for on-going value.
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Brad Stone's RPG Skills Accelerator covers 11 advanced RPG programming subjects, each with one or more labs.This dynamic, hands-on 25-hour training course comes with an easy-to-follow manual, and a CD with all the training exercise source code.
You'll learn new RPG skills at your own pace by writing and testing code. You'll immediately use what you've learned to create better RPG programs. Learn how to create and work with sub-procedures, modules, service programs, binder language and binding directories.
Subjects covered include: The SQL Alternative – With these labs, you'll learn how to use embedded SQL using static and dynamic statements. With triggers you can split commonly used database operations out of your application programs. RPG Techniques - Fast-paced labs will show you how to work with recursion, data queues, user spaces, sockets, and send email from RPG programs.
Techniques include: Sending Email with RPG Programs, Introduction to Recursion, Data Queues and RPG, Working with User Spaces, RPG and Sockets.
System Programming with RPG – Topics include: Batch File Transfer with FTP, an RPG Exit Program for FTP, the IFS and RPG.
Take your RPG programming skills to the next level with Brad Stone's RPG Skills Accelerator.
Media: Self-paced manual with source code CD. Estimated completion time: 25 hours.