RE: CALL

What you "should" do is to prototype the call to the program and then use
the prototype to call the program and not worry about placing it into a
subprocedure or a subroutine. You don't place the call anywhere except where
you need it.


-Bob Cozzi
www.RPGxTools.com
RPG xTools - Enjoy programming again.


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Tony Carolla
Sent: Tuesday, December 27, 2005 4:38 PM
To: RPG programming on the AS400 / iSeries
Subject: Re: CALL

In terms of run-time efficiency, I don't believe that placing the call in a
subroutine is more efficient.  In terms of making the code more readable and
modifiable, it is very desirable.  For example, what if the program that
gets called has a new name someday?  Easier to change it in one place.

Beyond that, you might use a subprocedure instead of a subroutine, but if
the only thing that is happening is a call, a subprocedure might be
overkill.  I always use subprocedures instead of subroutines, but that is a
matter of policy.

On 12/27/05, Henza, Guy <GHenza@xxxxxxxxx> wrote:
>
> I have a program that is calling another program nine times in the
> source code.  I was taught that when calling the same program multiple
> times it was more efficient to put it in a subroutine.  Is this correct?
>
> TIA,
>
> Guy
>
>
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