RPG/400 Programming
Duration
5 hours
Overview
The RPG/400 - Programming course explains how to use Report Program Generator (RPG) features to write reports. It also describes structured programming and how to affect the flow of control.
Audience
Personnel requiring knowledge of RPG/400 programming in a Green-Screen Environment
Prerequisites
Knowledge of data processing, programming concepts, and the IBM i operating system.
Objectives
- After completing this course, the student will be able to:
- Define the RPG/400 program cycle
- Identify the process to stop a program using the LR indicator and the Return (RETRN) opcode
- Define the basics of structured programming
- Identify how to affect the flow of control by using indicators and structured opcodes
Course Content
Introducing the RPG Cycle
The RPG Cycle - Program Start, Execution, and End
Using the Calculation Specification Sheet
Stopping an RPG Program
Using the SETON LR and RETRN Opcodes
Coding a Simple Program
Structured Programming - Flow of Control
Introduction to Flow of Control
Structured Programming
Sequence
Alternation
Structured Programming - Iteration
What Iteration is and How it is Used
Introducing the DO Opcode and its variants DO Until and DO While
RPG Advanced Indicators
Flow of Control Using Indicators and Structured Programming Opcodes
Setting and Unsetting Indicators
Treating Indicators as Fields and Array Elements