Introduction to RPG IV
The RPG language has been around for a long time. Originally it was a language that was built to work with punch cards. Many of the style and coding restrictions of the language are a result of being restricted to the punch card format. However, the RPG language has been undergoing a process of transformation. The updates and changes to the language are intended to help make the programmer more productive and continue to move the language toward the modern world of programming. Today, RPG is considered a modern business programming ...