Hands-on course for iSeries students who intend to write Control Language programs to simplify server management and make effective use of system resources.
TARGET AUDIENCE:
Application programmers, systems programmers and others who have a need to write Control Language programs.
COURSE PREREQUISITES:
Before taking this course, students should be able to:
• Perform basic system operations
• Issue the appropriate commands to send inquiry and information messages
• Use DDS and the host-base toolset (PDM,SEU, SDA) to create physical, logical, and display files
• Describe basic iSeries work management
• Create a library, output queue and a job description
COURSE CONTENT:
The course includes the following Topics:
• Arithmetic/boolean/string expressions.
• Program variable definition and use.
• Built-in functions
• Conditional processing.
• CALL/RETURN and parameter passing.
• Date conversion.
• Display and database file handling.
• Selective command parameter prompting.
• Data Area and Data Queue manipulation.
• Retrieve & change job/user attributes.
• Using system values.
• Message handling :
• Correcting programs with source debug.
• Never-ending batch programs.
• User-defined commands.
• Compiler options.
COURSE OBJECTIVE:
After completing this course, students should be able to
• Create CL programs to simplify system management tasks
• Code CL statements for arithmetic, relational and logical expressions
• Use the interactive source debugging facilities of STRDBG
• Create user-defined commands with and without parameters
• Create a Control Language program that processes a database file
• Create and invoke a program that is activated periodically and executes asynchronously from other jobs
FOLLOW ON COURSES:
Not available. Please contact.