Course Description (By Curriculum)

REXX Keywords and Functions

Duration

3 to 4 hours

Overview

Audience

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

Prerequisites

Completion of the Introduction to Mainframe REXX course or equivalent experience, a basic knowledge of data processing concepts, and basic programming skills

Objectives

After completing this course, the student will be able to:
• Recognize most REXX keywords
• Identify most REXX built-in functions

Course Content

REXX Keywords, Part 1

The SAY Keyword
The DO Keyword
The IF Keyword
Nesting
The EXIT Keyword
The PULL Keyword

REXX Keywords, Part 2

The SELECT/ WHEN/ OTHERWISE/ END Construct

Built-in Functions, Part 1

Function Calls
Arithmetic Functions
Comparison Functions
Conversion Functions
Formatting Functions

Built-in Functions, Part 2

String Manipulation Functions
Miscellaneous Functions
Nesting Functions
Concatenating Functions and/ or Strings
Date and Time Functions
Expressions Within Functions


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