Doug Pence and Ron Hawkins have spent the last two decades accumulating tips, tools, and techniques that make RPG the best that it can be. From designing software to attaining maximum performance to using advanced problem-solving tools, this book presents a wide range of important topics. It offers in-depth, practical coverage of basic subjects--such as data structures, string handling, and subfiles--and also tackles the more intricate subject areas, such as APIs, prototyping, and journaling as a debugging tool. It covers built-in functions (BIFs), data types, and subprocedures. From coding to compiling, this book has tips for RPG programmers of every level.

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.

Application development is a key part of IBM® i businesses. The IBM i operating system is a modern, robust platform to create and develop applications. The RPG language has been around for a long time, but is still being transformed into a modern business language. This IBM Redbooks® publication is focused on helping the IBM i development community understand the modern RPG language. The world of application development has been rapidly changing over the past years. The good news is that IBM i has been changing right along with it, and has made significant changes to the RPG language. This book is intended to help developers understand what modern RPG looks like and how to move from older versions of RPG to a newer, modern version. Additionally, it covers the basics of Integrated Language Environment® (ILE), interfacing with many other languages, and the best tools for doing development on IBM i. Using modern tools, methodologies, and languages are key to continuing to stay relevant in today's world. Being able to find the right talent for your company is key to your continued success. Using the guidelines and principles in this book can help set you up to find that talent today and into the future. This publication is the result of work that was done by IBM, industry experts, business partners, and some of the original authors of the first edition of this book. This information is important not only for developers, but also business decision makers (CIO for example) to understand that the IBM i is not an 'old' system. IBM i has modern languages and tools. It is a matter of what you choose to do with the IBM i that defines its age.

Book & CD-ROM. This guide enables programmers to develop fully functional e-business solutions using nothing more than RPG and the web facilities already included in OS/400. The basics of HTML, JavaScript, and HTTP are covered first, then the book explores how to program RPG to drive the web applications users want to develop. Using the power and stability of the AS/400 and an existing knowledge of RPG, programmers can enhance their companys exposure and profitability by developing robust e-business solutions.The accompanying CD-ROM contains full source 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 structure; HTML source and images; module source; and complete RPG source for all e-RPG programs.