Course Description (By Curriculum)

REXX Programming I for VSE

Duration

3 to 4 hours

Overview

Audience

Personnel requiring an introduction to REXX and knowledge of the fundamentals of programming in REXX

Prerequisites

Basic knowledge of data processing concepts and some basic programming skills

Objectives

After completing this course, the student will be able to:
• Define the concepts of the REXX language
• Recognize the major elements of a REXX program
• Recognize the basic REXX commands
• Recognize the REXX Function commands

Course Content

Introduction – Description of the REXX Language

Overview of the REXX Language

Introduction – A Look at REXX EXEC

The EXEC Command

Major Elements of the REXX Language

Assignments
Comments
Character Strings
Arithmetic Operators
HEX Strings
REXX Symbols
Comparison Operators
REXX Expressions
Special Characters
REXX Numbers
Compound Symbols
Operators
Stem Variables

Basic REXX Keywords, Part 1

Say and Exit
If/ Then/ Else and NOP

Basic REXX Keywords, Part 2

Do/ End
Iterate and Leave

REXX Arithmetic and Character Functions

ABS, Random, Format, Sign, Max, Trunk, Min, Length
Index, Pos, LastPos, Substr, Delstr, Insert

REXX Word Based and Formatting Functions

Wordlength, Wordindex, Subword, Find, Words, Delword Wordpos, Word, Copies, Left, Right, Centre, Justify, Space Strip, Overlay, Reverse

Advanced REXX Keywords

Select, Procedure, Drop, Queue, Otherwise, Return, Pull Address, Call, Arg, Push, Address, Inspec, etc.


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