REXX Keyword Instructions
Duration
6 hours
Overview
The REXX Keyword Instructions course discusses the common keyword instructions used in REXX coding and describes how looping and execution control instructions are invoked.
Audience
Personnel requiring an introduction to REXX and an understanding of the fundamentals of programming in REXX.
Prerequisites
Basic understanding of data processing concepts, some basic programming skills and completion of the Introduction to REXX course or equivalent knowledge.
Objectives
After completing this course the student should be able to:
- Identify and use Conversational and - Variable Management Keyword Instructions.
- Identify and use Conditional Flow Keyword Instructions
- Identify and use looping structures
- Identify and use Execution control, Branching and Debugging Keyword Instructions
Course Content
REXX Conversational and Variable Management Instructions
Using Conversational Keyword Instructions
Using the External Data Queue
Variable Templates and Parsing
Logic Flow - Conditional Processing
Using the IF/THEN/ELSE Keyword Construct
Using the SELECT/WHEN/OTHERWISE/END Keyword Construct
Logic Flow - Looping
Using Repetitive Loops
Using Controlled Repetitive Loops
Using Conditional and Compound Loops
Controlling Nested Loops
Execution Control Instructions
Using Execution Control Instructions
Branching, Procedures and Subroutines
Debugging Programs