What's the difference?

[fkany@xxxxxxxxxxxxxxxxxx]

Hi everyone,

I've been trying to figure out the difference between an RPG subprocedure
and an RPG program.    So far, I don't see much of a difference on how they
take in data, process the data and send it back.  Lets say I have a
subprocedure that converts an incoming date format to another date format.
Someone could also write a small program that does the same thing.  Why
would a programmer choose writing a subprocedure over writing a program?  I
hope I'm not asking too silly of a question.  Thanks for all your help.

Frank