Subfiles in Free-Format RPG : Rules, Examples, Techniques, and Other Cool Stuff, Paperback by Vandever, Kevin, ISBN 1583470948, ISBN-13 9781583470947, Like New Used, Free shipping in the US

Kevin Vandever's Subfiles in RPG (MC Press, 2000) offered easy-to-understand explanations of subfile concepts plus a bounty of practical examples, advanced techniques, and other cool stuff never before seen in subfils. Now, this popular manual has been updated from beginning to end to teach subfile concepts and programming techniques using free-format RPG. A comprehensive resource that RPG programmers can use as they advance from basic subfile usage to more advanced programming, this book offers concepts, explanations, and practical examples that reflect current trends.

With templates that include both the DDS and RPG 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 modem methods, such as ILE strategies and free-format RPG, this reference offers examples and techniques you will use over and over as you advance from basic subfile usage to guru-like mastery of subfile programming

Mastering subfiles is often the defining moment in an RPG programmer's career. This book gives you the concepts, styles and advanced techniques-using free-format RPG-that will enable you to become a subfile master in your own right

With Subfiles in Five-Format RPG you wilt leant how 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

Use recursive programming techniques to build subfiles