Darum lohnt sich der Kurs
Programmieren Sie flexible Automatisierungslösungen mit REXX auf z/OS. Sie lernen Parsen, Host-Kommandos, Dateioperationen und Fehlerbehandlung.Seminarinhalt
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.
Objective
Objective
- 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
Programm
Day 1
Day 4
- 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)
- Lab exercise 3
- Unit 3 - Programming in REXX (finish)
- Lab exercise 4
- Unit 4 - Functions and subroutines (start)
- Lab exercise 5
- 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
- Lab exercise 11
- Unit 10 - Using REXX: REXX compiler, REXX in batch, MVS console commands
- Lab exercise 12
Zielgruppen
- This is an intermediate course for people who need to write and maintain Rexx programs in the z/OS system environment.
Vorkenntnisse
- 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:
- Fundamental System Skills of z/OS (ES10)
- A programming language course
