z/OS REXX Programming Workshop – ES52GCR - Cyber Retaliator Solutions

z/OS REXX Programming Workshop – ES52GCR

Enrol Details

Course Code: ES52G Brand: IBM Z – Mainframe Category: Systems Skill Level: Intermediate Duration: 36H Modality:CR Audience

This is an intermediate course for people who need to write and maintain Rexx programs in the z/OS system environment.

Prerequisites

You should be able to:

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Code basic Job Control Language statements

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Code in a programming language

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Create, alter, and delete data sets using TSO

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These skills can be developed by taking:

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Fundamental System Skills of z/OS (ES10)

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A programming language course

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Short Summary

This is an intermediate course for people who need to write and maintain Rexx programs in the z/OS system environment. Overview

This course is designed to teach you the basic skills required to write programs using the REXX language in z/OS. The course covers the TSO extensions to REXX and interaction with other environments such as the MVS console, running REXX in batch jobs, and compiling REXX.

Topic

Day 1

(01:00) Unit 1 – Introduction
(01:30) Unit 2 – Getting started with REXX (start)
(01:00) Lab exercise 1
(01:00) Unit 2 – Getting started with REXX (finish)
(01:00) Lab exercise 2
(01:30) Unit 3 – Programming in REXX (start)

Day 2

(01:00) Lab exercise 3
(01:30) Unit 3 – Programming in REXX (finish)
(01:00) Lab exercise 4
(01:00) Unit 4 – Functions and subroutines (start)
(02:00) Lab exercise 5

Day 3

(01:00) Unit 4 – Functions and subroutines (finish)
(01:00) Lab exercise 6
(01:30) Unit 5 – Debugging and error handling
(01:00) Lab exercise 7
(01:00) Unit 6 – Executing host commands
(01:30) Lab exercise 8

Day 4

(01:30) Unit 7 – Compound variables and the data stack
(01:30) Lab exercise 9
(01:30) Unit 8 – Reading and writing data sets in REXX
(01:00) Lab exercise 10
(01:30) Unit 9 – The parse instruction

Day 5

(01:30) Lab exercise 11
(01:30) Unit 10 – Using REXX: REXX compiler, REXX in batch, MVS console commands
(01:00) Lab exercise 12

Objectives

Write programs using the Rexx language

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Use various data parsing techniques

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Use built-in Rexx functions

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Create user-defined internal and external functions and subroutines

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Issue host commands from within Rexx execs

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Code programs that read and write data sets

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Use instructions and commands that manipulate the data stack

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Use Rexx debugging tools

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Write error-handling routines

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