IBM i - CL Programming
Duration
8 hours
Overview
The CL Programming course introduces programming that uses the iSeries Control Language (CL). It explains how to use the variables utilized in a CL program and control its processing.
Audience
Programmers, system programmers, system operators, and other personnel requiring a basic knowledge of Control Language (CL) programming
Prerequisites
Knowledge of data processing and IBM i operations; knowledge of IBM i 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 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
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
CL Programming Mastery Test
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