Advanced REXX

	Topic Outline
•	REXX Interpreter
•	Writing Efficient and Readable Code
•	Advanced Templating, Tracing, and Interpreting
•	OS/390 REXX Compiler (if available at the site)
•	Data Conversion
•	Controlling Search Order with TSO/E ALTLIB
•	Front Ends to OS/390 REXX Execs using ISPF Panels
•	Built-in Functions
•	Trapping Terminal Output
•	Managing the Program Stack
•	OS/390 File I/O and ISPF Edit Macros
•	Time-sharing Environment

Advanced REXX

3 days

Description

This course provides an in-depth look at techniques that fully utilize the features and capabilities of REXX.

Audience

Experienced REXX users.

Prerequisite

OS/390 REXX, TSO/E, ISPF, ISPF Edit, and some experience with JCL and the ISPF Dialog Manager.

Objectives

Students will be able to:

write efficient, readable REXX code

choose between various REXX templates for parsing

use INTERPRET and interactive debug TRACE

compile OS/390 REXX execs

convert data from one type to another

command the TSO/E search order with ALTLIB

provide front ends to OS/390 REXX execs using ISPF panels

create built-in REXX functions

trap console output from OS/390 and TSO/E

manage the program stack

read, write, and update OS/390 files

create ISPF Edit macros

describe sophisticated aspects of the time-sharing environment