Here is the ultimate guide to writing RPG IV programs with functions in the free-format style. Let RPG expert and best-selling author Jim Martin show you the way. Want to generate a random number, manipulate a character string, or determine the number of elements in a data structure? There's a function for that. Jim will even show you how to write your own custom built-in functions (BIFs). In this book, you'll discover the role of functions in free-format RPG IV. Jim explains the details of built-in functions (BIFs) and explores the use of C language functions, do-it-yourself functions...

Cozzi on everything RPG! What more could you want? In this fourth edition of The Modern RPG IV Language, internationally recognized RPG expert Bob Cozzi takes his classic best seller to a whole new level. At close to 700 pages, this edition covers all of the new functions and facilities available in V5R4 RPG IV while keeping the straightforward, no-nonsense style that has kept this book on the best-seller list for almost 20 years. This new edition is guaranteed to keep Bob Cozzi as the leading expert on RPG, and his book the one turned to by countless developers worldwide. This new...

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...

This document is unique in its detailed coverage of the new RPG IV language and aspects of the Integrated Language Environment. The purpose of this document is to provide an introduction to the RPG IV language and guidelines for implementing applications using the Integrated Language Environment. The publication SC41-3606, should be considered a prerequisite to this publication. This document is intended for experienced programmers, analysts, and implementers who are responsible for the creation and maintenance of application programs on the AS/400. It assumes the reader has a fairly good...

This redbook is focused on RPG IV as a modern, thriving, and rich application development language for the 21st century. It is written for those AS/400 system programmers that are in the cusp between RPG/400 and RPG IV and are looking for hints and tips to make the move forward worth their while. This book promises to drop little golden nuggets of information in the form of code samples and style guidelines. Picking up each golden nugget will lead you step-by-step down the path that will eventually allow you to take full advantage of RPG IV and the Integrated Language Environment (ILE). Even...