Who Knew You Could Do That with RPG IV? Modern RPG for the Modern Programmer

Subprocedures

One of the major enhancements of RPG IV in V3R2 and V3R6 was the ability to define multiple procedures per module. This chapter discusses how to use those procedures efficiently and also gives a working example on moving from subroutines to subprocedures easily.

The following topics are described in this chapter:

•Subprocedure terminology

•Advantages of using subprocedures

•The anatomy of a subprocedure

•Moving from subroutines to subprocedures

•Using subprocedures efficiently

•More on subprocedures

3.1 Subprocedure terminology