Introduction to CL Programming

Duration

3 to 4 hours

Overview

Audience

Programmers, system programmers, system operators, and other personnel requiring a basic knowledge of Control Language (CL) programming.

Prerequisites

Knowledge of data processing and iSeries operations; knowledge of iSeries programming concepts would also be beneficial.

Objectives

After completing this course, the student will be able to:
• Define the concepts of Control Language programming
• Identify the variables utilized in a Control Language program
• Identify how to control the processing of a Control Language program
• Recognize the methods to access other programs from a Control Language program
• Identify how to pass information from one Control Language program to another

Course Content

Introduction to CL Programming Pretest

Introduction to Control Language Programming (CLP)

Introducing Control Language
Control Language Commands
Command Syntax
Control Language Programs

CL Program Function and Structure

Control Language Program Functions
Control Language Program Structure
Using SEU to write a CL Program
Using CL Programs

CL Variables

Declaring a Variable
Naming Conventions

Changing the Value of a Variable

CL Program Control Processing

Introduction to Control Processing Commands
Program Flow
Controlling Program Flow
Logical Operators

CALL, CALLPRC, TFRCTL, and RETURN Commands

Calling Programs from a CL Program
Using CALL or CALLPRC
Transferring Control to Another Program
RETURN Command

Passing Parameters

Types of Parameters
Constants and Variables
Passing Parameters Between Programs
Compiling a CL Program

Introduction to CL Programming Mastery Test