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  • Subject: RE: Numeric parameters between RPG progr
  • From: Pete Hall <peteh@xxxxxxxxxx>
  • Date: Fri, 29 May 1998 01:15:34 -0500
  • In-Reply-To: <199805281526.KAA13930@iria.inwave.com>

At 07:41 AM 5/28/98 +0000, ERHARDT.BALDWIN*READING wrote:
>
>I've been coping with this particular problem since the early days of the   
>System/38.  What I've learned to do is never pass numeric parameters.   
> I'll pass alphanumeric parms, then MOVE them into their numeric   
>equilivant.
>Bye the bye, if memory serves me, when a program is called with   
>parameters, the system doesn't actually pass the data to the called   
>program, it passes pointers.

That's very true. Parameters are always passed by reference in RPG. This 
particular "feature" makes it impossible to define a parameter based on the 
database data definition. That defeats any attempt to achieve data 
independence. Converting from alpha is no better. You still have hard coded 
definitions that may or may not be OK if the database changes. Really 
irritating... To borrow a phrase from Tim Allen, c'mon IBM let's walk the walk.

Pete Hall
peteh@inwave.com 
http://www.inwave.com/~peteh/

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