z/OS REXX Programming Workshop - ES52G

z/OS REXX Programming Workshop - ES52G

Audience

People who need to write and maintain REXX programs in the z/OS system environment.

Prerequisites

You should be able to:

  • Code basic Job Control Language statements
  • Code in a programming language
  • Create, alter, and delete data sets using TSO

These skills can be developed by taking:

Duration

5 days. Hands on.

Course Objectives

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.

Course objectives include:

  • Write programs using the REXX language
  • Use various data parsing techniques
  • Use built-in REXX functions
  • Create user-defined internal and external functions and subroutines
  • Issue host commands from within REXX execs
  • Code programs that read and write data sets
  • Use instructions and commands that manipulate the data stack
  • Use REXX debugging tools
  • Write error-handling routines

Course Content

Day 1
Unit 1 - Introduction
Unit 2 - Getting started with REXX (start)
Lab exercise 1
Unit 2 - Getting started with REXX (finish)
Lab exercise 2
Unit 3 - Programming in REXX (start)

Day 2
Lab exercise 3
Unit 3 - Programming in REXX (finish)
Lab exercise 4
Unit 4 - Functions and subroutines (start)
Lab exercise 5

Day 3
Unit 4 - Functions and subroutines (finish)
Lab exercise 6
Unit 5 - Debugging and error handling
Lab exercise 7
Unit 6 - Executing host commands
Lab exercise 8

Day 4
Unit 7 - Compound variables and the data stack
Lab exercise 9
Unit 8 - Reading and writing data sets in REXX
Lab exercise 10
Unit 9 - The parse instruction

Day 5
Lab exercise 11
Unit 10 - Using REXX: REXX compiler, REXX in batch, MVS console commands
Lab exercise 12

On-Site Courses

Can't attend one of our public classes? Booking for multiple people?

All our courses are available on your site! Delivered for your staff, at your premises.

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