Course Summary:
This hands on, workshop-oriented course is intended for analysts, application and system programmers, system administrators, and technical support personnel who have a need to write, understand, or maintain REXX programs. This course applies to the z/VM-CMS, z/OS-TSO, and NetView environments.
Target Audience:
Analysts, application and system programmers, system administrators, and technical support personnel who have a need to write, understand, or maintain REXX programs.
Recommended Prerequisites:
No previous programming experience or programming training (in any language) is necessary. Delegates from z/OS sites will need the ability to create and modify files using the ISPF editor. For delegates from a z/VM environment, the ability to create and modify files using the XEDIT editor is required.
Course Objectives:
After completing this course, the student should be able to:
Code REXX instructions with proper syntax
Construct program logic using REXX control flow instructions
Define and manipulate user variables in REXX programs
Invoke and pass parameters to REXX programs
Code REXX instructions to accomplish file and terminal I/O
Describe the purpose and use of the data stack
Use REXX built-in functions to manipulate data
Create user defined functions and subroutines
Code REXX instructions that parse complex data strings
Debug REXX programs using the REXX TRACE facility
Identify the use of REXX command environments
Use REXX coding techniques which enhance efficiency and readability
Key Topics:
Historical Background of the REXX language
REXX’s position in Systems Application Architecture (SAA)
Language Components
Operators
Instructions
Functions
Writing TSO Command scripts in REXX
Last modified: 05-Jan-2016
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