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List:       sas-l
Subject:    Re: reset an array
From:       "Dorfman, Paul" <Paul.Dorfman () BCBSFL ! COM>
Date:       2001-05-31 20:24:36
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Mike,

There is *another* way of doing it. It may or may not be better than plain
iteration depending on the SAS version (8 is preferred) and / or the array
dimension and the length per element if character. Look for the post
'Initializing an array' in the listserv search facility, you will find
details. Basically, you can organize an en masse move using CALL POKE
routine.

I've asked an R&D birdie to let us initialize arrays as simply as
<ARRAYname> = <expression>, just like it is done in PL/I, and he even
admitted that it would not be difficult, but have no clue about the destiny
of the request so far.

Kind regards,
=======================
Paul M. Dorfman
Jacksonville, Fl
=======================

-----Original Message-----
From: Schulingkamp, Michael E [mailto:michael.e.schulingkamp@LMCO.COM]
Sent: Thursday, May 31, 2001 3:20 PM
To: SAS-L@LISTSERV.UGA.EDU
Subject: reset an array


I was looking for the best way to reset all the elements in an array (both
permanent and temporary ones).  I've been using a "do" loop to get this done
but I thought there might be a more efficient way of doing this.  Here's
what a sample of what I've been doing:

do i=1 to dim(array);
  array{i}=' ' ;
end;

Any better ideas?

Thanks,
Mike



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