TFH Volume: 28 Issue: 57 Archives

Guru: Three Little Words That Simplify Debugging

August 29, 2018 Susan Gantner

Author’s Note: The original version of this tip first appeared in March 2007. That was three renames ago for the toolset we now know as RDi. (It was WDSC then). Although RDi has seen many significant enhancements in the intervening years, not much about starting a debug session has changed. But the number of RPGers now using RDi for editing their code has grown dramatically, and many recent converts still struggle with getting a debug session started. So I think this tip bears repeating — with some name changes, updated images and relevant functional updates here and there.

I had …
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Guru: An Introduction to Processing XML With RPG, Part 2

August 29, 2018 Jon Paris

In the first part of this series for Guru Classic, I introduced you to the basics of using RPG’s XML-INTO op-code. In that tip I showed how the provision of a count provided by RPG in the PSDS can be used to determine how many of a repeating element were processed.

However, as I noted at the time, this can only be used when handling a repeating outer element. But what if there is a repeating element within each of those outer elements? In this second part of the series we will be studying how to handle those situations. …
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Guru: Getting the Message, Part 2

August 29, 2018 Paul Tuohy

Author’s Note: This article was originally published in October 2009. Since then, I have worked on many modernization projects with many clients and, in every one of those projects, we have used some form of the contents of this (and the following) article. The content of the article has been updated for free-form RPG and some of the coding enhancements that have been introduced, into RPG, since 2009. The original articles also showed examples of direct calls to RPG subprocedures from PHP. Given that we now have many languages (Node.js, Python etc.) that interact with RPG, I changed the mechanism …
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Guru: Three Little Words That Simplify Debugging

Guru: An Introduction to Processing XML With RPG, Part 2

Guru: Getting the Message, Part 2

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