Guru: Parameter Passing Fundamentals Of Programs Versus Procedures

February 20, 2017 Jon Paris

In my earlier tip, Fundamentals: Parameter Passing, I discussed the basics of parameter passing and the importance of ensuring that parameter lengths and data types match those expected by the called routine. In this tip I want to go one step further and discuss differences between passing parameters to programs and to procedures.

Let’s start with passing parameters between programs. In particular, I will focus on the impact of passing fewer parameters than the called program is expecting because this is one area in which programs and procedures differ, and a failure to understand that can lead to some …