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Date:	Sun, 15 Feb 2004 18:29:12 PST8
From:	Peter Skye <pskye@peterskye.com >
Reply-To:	scoug-programming@scoug.com
To:	scoug-programming@scoug.com
Subject:	SCOUG-Programming: PL/I most important statement (was: call(TZ) ? - PL/I)

Content Type: text/plain

Lynn H. Maxson wrote:
>
> > Just for the record, you have your dimension
> > determination located in the wrong block."
>
> No. I have my dimension determinations just where I wanted
> them: contained within a begin-end block. . . . instead
> of marking just the code segment with the calculations
> associated with the matrix I also marked that associated
> with calculating the dimensions of the matrix. They can't
> co-exist within the same begin-end block. So I placed them
> in different begin-end blocks.

Okay. I do the determination in the outer block (see my example). And
either way, the dimensions are known in the outer block.

> The fact that their definition is local to the begin-end
> block, part of the second reason for its inclusion in the
> PL/I language, and not global within the procedure says
> that they have "long" disappeared from the scene before
> you get to the begin-end block that allocates the matrix.
> After all this is one of the advantages you quote for the
> beauty of the begin-end sequence: you get to do things one
> at a time. The fact that your code will not compile or
> execute correctly in no way distracts from the beauty you
> have discovered.

Huh? Then _your_ example won't work. Mine works just fine.

> That your programs work, your sarcasm to the contrary,

Me? Sarcastic?

> I'm still somewhat in a state of shock to discover that
> you went to Pascal instead of PL/I for list processing.

There are quite a few similarities between the two languages. Except
PL/I uses "DO" and Pascal uses "FOR", and when I'm working
simultaneously in both languages I often use the wrong one.

- Peter

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