IBM - IBM z/OS Rexx Programming 

Introducing REXX

Gettingstarted with REXX

REXX uses and syntax

Executing REXX execs

Comments and Continuation

Literals and Variables

Arithmetic Say and String Concatenation

Parse Trace and REXXTRY

Checkpoint Quiz Gettingstarted with REXX

Programming

REXX Instruction Order and Comparisons

REXX logic instructions

Loops in REXX

Checkpoint quiz - Programming with REXX

Functions and Subroutines

Introduction to functions and subroutines

Built-in functions

Subroutines

Checkpoint quiz - Functions and Subroutines

Debugging and error handling

Writing good REXX execs

Signal traps and Return codes

Error recovery and Testing

Checkpoint quiz - Debugging and Error handling

Executing Host Commands

Host commands - part one

Host commands - part two

Host commands - part three

Other host command environments

Checkpoint quiz - Host Commands

Compound variables and datastack

Compound variables

Uses for compound variables

The outtrap function

The data stack

TSOE REXX stack commands

Checkpoint quiz - Compound Variables and Stack

Reading and writing data sets in REXX

The EXECIO command

Stream IO

Additional IO functions

Checkpoint quiz - Reading and writing data sets in REXX

The Parse Instruction

Parse Instruction sources of input

Parsing templates

Absolute and relative column parsing templates

Matching variable parsing templates

Checkpoint quiz - The parse instruction

Using REXX: REXX compiler, REXX in batch, MVS console commands

Introducing the REXX compiler

Using the REXX compiler

REXX in batch

Using REXX to execute operator commands

Checkpoint quiz -Using REXX: REXX compiler, REXX in batch, MVS console commands

System REXX

System REXX introduction

SYSREXX usage

Course Badge Quiz