NEW!
iSeries ILE RPG
Subprocedures
Workshop
 

by Craig Pelkie
 

Your RPG code can now be simpler to write, easier to maintain, readily reused in new applications, and truly modular with ILE RPG Subprocedures Workshop. Our new training makes using powerful ILE RPG subprocedures easy. Nothing trendy, just solid RPG training you’ll use everyday!

ILE RPG Subprocedures Workshop gives you hands-on labs that show you how to write practical ILE RPG subprocedures that you’ll use every day.

The course includes a CD with all of the source code for all of the programs, modules and service programs you'll create. There is also source code for CL programs, commands, and other objects used.

The course manual includes step-by-step instructions, illustrations and easy-to-understand explanations of important techniques you'll use over and over as you create your own subprocedures.

The course can be completed in as little as 20 hours. Just think, in only a few days, you'll gain all of the practical knowledge you need to develop subprocedures for your own applications.
 
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Here's just some of the important techniques
you'll learn in RPG Subprocedures Workshop:
 
  • Parameter passing: by reference, by read-only reference and by value. What do these options mean, and when should you use a particular technique?
    How to effectively return multiple values from a subprocedure
    The mysterious "procedure pointer" -- use it to make your code shorter, call "hidden" subprocedures in other modules
    Step-by-step: how to convert subroutines to subprocedures
    Subprocedures in a module: what you need to do when you plan to reuse your code
    Too many modules making your compiles difficult? Learn how to use binding directories to organize your resources
    Prototype and subprocedure, what goes where? Use this compiler directive technique to make it simple to use your modules
  • Getting data into your subprocedures, out of it, and preserving it: parameter lists, return values, global variables and the STATIC keyword
  • The dreaded "program signature violation" error -- what it is, what it means to your service programs, and how to use binder source to prevent it
  • From module to service program: how to reuse your code on a grand scale
You will build your own ILE RPG
Function Generator!

When you’ve completed this course, you will have developed your own full-feature RPG subprocedure generation utility program. Using the generator, you’ll be able to quickly create complete and validate subprocedure prototypes and procedure interfaces with complete parameters lists – just by responding to a few prompts. The generator itself is created from RPG subprocedures that you’ll develop as you take this self-paced 20-hour training. You learn how to use ILE RPG subprocedures in a real-world program, and create a utility to use for future ILE RPG programming tasks!

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Contents
 
ILE RPG Subprocedures Workshop will help you learn how to create and work with subprocedures in ILE RPG programs. You'll learn how to code subprocedures, their prototypes, and rules for passing parameters and working with return values. You'll also create subprocedures in modules and service programs, and work with binding directories.

Upon completion of the course, you'll have a utility program that will help you create subprocedure prototypes. You can modify the template of the prototype to accomodate your personal or shop standards.

Chapter 1 of the manual contains complete instructions for installing all of the code used in the course. You can either upload the *SAVF (Save File) object to your iSeries or you can upload individual source files and members, using a program like Client Acess File Transfer.

You can also view all of the source code on this CD-ROM. Click any of the chapter links to go to the page for that chapter, or click a source file link to see the source members in the file.
 
Navigate by Chapter
Chapter 1 - Install
Chapter 2 - Start PROCGEN
Chapter 3 - Subroutines to Subprocedures
Chapter 4 - Use procedure pointers
Chapter 5 - Subprocedures in a module
Chapter 6 - INCLUDE prototypes
Chapter 7 - Use a service program
Chapter 8 - Use procedure callbacks
Chapter 9 - Complete PROCGEN 		  Navigate by Source File
QCLLESRC
QCLSRC
QCMDSRC
QDDSSRC
QRPGBBPI
QRPGLESRC
QRPGLESRCX
QSRVSRCBBP
QTEMPLATE
 
Note: the minimum OS/400 release level for this course is V5R1.
 
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