Free - Format Rpg Iv ( How To Bring Your Rpg Programs Into The 21St Century)


Book Description

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.




Free-Format RPG IV


Book Description

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.




Free-Format RPG IV


Book Description

Focusing strictly on teaching free-format RPG programming methods, this book will help programmers wishing to upgrade their skills This how-to guide offers a concise and thorough introduction to the increased productivity, better readability, and easier program maintenance that comes with the free-format style of programming in RPG IV. Although free-format information is available in IBM manuals, it is not separated from everything else, requiring hours of tedious research to track down the information needed. This book provides 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 modern style of coding has the potential to improve overall programmer productivity--from initial development through maintenance. He methodically covers the many style issues, such as named indicators and built-in functions, and addresses topics including input and output, program flow, data manipulation, math operations, prototyping, and APIs. This third edition is updated to V7.1 of the IBM i operating system on IBM Power machines. An added chapter explains the new free-format H, F, D, and P specifications introduced by IBM in Technology Refresh 7, and programming examples throughout the book are updated to reflect the new specifications.




21st Century Rpg - /Free, Ile, and Mvc


Book Description

This guide teaches programmers who have been left behind in the IBM i's evolution to code more productively and modernize their business applications. Shirey uses a casual, humorous teaching style to explain the concepts, along with plenty of code examples. Readers will gain confidence in areas that may be new to them and use the provided examples to practice what they've learned. The manual is structured so that whether they are using the latest IBM i technology or an older version, readers will learn methods to improve coding and applications, as well as become comfortable with writing programs using ILE RPG, free-format RPG, and Model-View-Controller (MVC).







Encyclopedia of Computer Science and Technology


Book Description

Presents an illustrated A-Z encyclopedia containing approximately 600 entries on computer and technology related topics.




Subfiles in Free-Format RPG


Book Description

A comprehensive resource that can be used by RPG programmers as they advance from basic subfile usage to more advanced programming, this manual offers concepts, explanations, and practical examples that reflect current trends. With downloadable templates that include both the DDS and RPG IV code, this resource provides the techniques and styles-from basic single-page displays to powerful methods such as recursion, data queues, and embedded SQL-that enable RPG programmers to become subfile masters. With updated code that shows modern methods, such as ILE strategies and free-format RPG, this reference offers a bounty of practical examples and advanced techniques.







RPG IV by Example


Book Description

Covering all areas of RPG programming, this book goes beyond explaining the differences between RPG III and RPG IV. The authors provide practical application examples to illustrate RPG IV's new capabilities. New features and functions include new specifications; date, time, timestamp, and pointer data types; built-in functions, free-form expressions, new keywords, and new operations. Examples also show how to improve programming efficiency in RPG IV. RPG IV by Example focuses on application situations familiar to experienced programmers. RPG IV by Example is an invaluable coach for any RPG programmer at any experience level. Longtime programmers will find out how RPG IV lets you continue to take advantage of tried-and-true methods while adopting important timesaving capabilities. RPG newcomers will learn from examples how to create RPG IV applications. The emphasis is on practical solutions that programmers need every day. The authors integrate this information into 15 chapters featuring discussions of data definition, database file processing, arithmetic and move operations, indicator functions, structured programming, array and table processing, pointer functions, and ILE and non-ILE program calls.




Mastering IBM I


Book Description

A comprehensive introduction to IBM i—the operating system that runs on IBM's midrange computer systems (System i, iSeries, AS/400)—and its facilities, this in-depth resource uses step-by-step exercises, review questions, and chapter labs to teach new programmers the latest system concepts and tools. Reflecting system changes that have occurred since 2000, topics include Rational Developer for Power (RDP), RDP Screen Designer and Report Designer, IBM i Access for Windows, IBM i Access for Web, IBM DB2 Web Query for i, and Remote System Explorer (RSE).