I've been building web applications with RPG IV on IBM i (formerly i5) for more than 12 years. One of the biggest challenges has been to move away from the DDS/Display File programming style to using API calls to access data. I was one of the forces behind getting IBM to open up this operating system by adding APIs; so for me, using APIs to do things, such as reading data from a web page, isn't rocket science. But that’s just one piece of several new technologies you have ...

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