PS060 - OS/2 Warp REXX Programming

Abstract
This hands-on lab is designed to teach you the skills necessary to write, test, and debug REXX programs using OS/2 WARP Version 3. REXX is a procedural language integrated into OS/2 which goes beyond the capabilities of DOS batch files. This easy-to-learn interpretive programming language is a powerful tool for both data processing professionals and end users. Since REXX is a Systems Application Architecture (SAA) language, the syntax and techniques that you learn will be applicable to other SAA environments such as CMS, TSO-E, and OS/400.

Length
3 days

What you will learn
After successful completion of this course, the student should be able to:
 * Use the basic REXX instruction set;
 * Use REXX functions and subroutines;
 * Use the REXX stack facility;
 * Use the parsing capability of REXX;
 * Write information to the screen and read user responses;
 * Read and write data files;
 * Call OS/2 commands, programs, application programming interfaces and external functions from within a REXX program;
 * Use REXX to customize OS/2 applications;
 * Use REXX debugging aids.

Audience
This course is designed for both programmers and technically oriented OS/2 users.

Prerequisites
Students should have a basic knowledge of a high level programming language such as BASIC or FORTRAN and should be familiar with OS/2 WARP Version 3.

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