CL Enhancements from V5R3 to Present
Larry Bolhuis

November 19, 2019 FASUG Meeting

Get a detailed look at the enhancements brought to the CL language from i5/OS V5R3 through IBM i 7.1. See examples of the new functions like DOFOR, DOWHILE, DOUNTIL and SELECT, and how they allow programming CL in a much more structured format. Learn about the many new process flow options and variable types in the CL language such as integer, signed integer, and pointer variables and how to use them. Get tips on how to simplify the compiling of CL programs and command objects. Find out how to provide direct feedback to IBM on your needs for the CL language -- they want to know if these changes are helping you and what to enhance next.


Our Speaker: Larry obtained a bachelor’s degree in Computer Science from Calvin College in 1982 and soon after began working on IBM mid-range equipment with the S/34 and S/36. Larry worked on the AS/400 at its introduction in 1988.

After spending many years as a developer, Larry began working on communications, networking, and systems management tasks. During his years of working with SNA, SDLC, SNADS, APPC, and APPN followed by TCP/IP, he developed strong communications troubleshooting skills. In addition to networking on the IBM side, Larry learned the infrastructure components of the network – including switches routers and firewalls – working chiefly with Cisco equipment.

In 20 years as an IBM Business Partner, Larry worked with IBM’s systems from design through implementation and migration. He has worked on the smallest and largest projects – and everything in between. He has been involved in many Early Release and Beta programs with IBM Rochester. In addition to holding more than 30 IBM certifications on the AS/400, iSeries, System i, and Power Systems, including IBM Certified Advanced Technical Expert, Larry is a contributing author to many IBM Certification tests.

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