Notes

Using RGZPFM to sort physical files

It’s rare that you need to sort a database file (or table), but I have encountered a circumstance in which a sorted file had to be delivered. Being naturally lazy, I started looking around for the least-work method of achieving this and ended up looking at the RGZPFM command. This Read more…

By Paul, ago
Notes

Debugging RPG Programs in Batch

If you spend any time developing RPG applications you will find that, sooner or later, you will need to debug a program that runs in batch. There are a few steps that you need to take in order to do this and, because my memory is terrible, I’m putting them Read more…

By Paul, ago
Notes

Service Programs and Call Stack APIs

I’m a big fan of service programs. From a maintainability point of view, encapsulated procedures are great. And exported procedures, which mean you only need to develop any piece of functionality once, are even better. However, I now find myself in the position of having to start creating a set Read more…

By Paul, ago