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  1.  Home
  2. RPG400-L
  3. October 2003

RE: Function Opinion

Joe,

>Pardon my ignorance, but if you are only putting on function per
program,
>why bother making them service programs?

I am not defending the one procedure per service program scheme, but if
you make procedures into service programs then you are binding by
reference.  If you compile the procedure into a module, and then link
the procedure in your CRTPGM, then you are binding by copy.  Then, say
six weeks later someone changes a few lines of code in that widely used
date manipulation procedure (as an example), if it is in a service
program you update the service program and move on with today's
activities.  If that code was copied into 100 programs because you bound
by copy, then you have a lot of UPDPGM statements ahead of you.  A good
rule of thumb is to put any procedure that is used by more than one
program into a service program.

HTH,                    
Andy Holmer

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