Re: IF..ELSEIF vs SELECT (Ake Olsson)

On Tue, Sep 10, 2019 at 11:20 AM Åke Olsson <konsult@xxxxxxxxxxxxxxx> wrote:

I definitely prefer SELECT-WHEN every time for two reasons:
1. If you have a group of mutually exclusive cases and need to change the
program at some point it is much easier to do this with a select clause.

The only situation where ELSEIF is harder to change than WHEN, from a
purely logical standpoint, is where you need to remove the first
condition. For that, you have to "promote" the first ELSEIF into an
IF. In all other respects, the actual amount of editing you need to do
is exactly the same.

2. Readability! Only one opening statement and one closing (endsl) for the
whole thing.

Readability is subjective, but if you find SELECT easier to read, then
that is a good enough reason to use it. I suspect that the only reason
you feel SELECT is easier to edit is that you find it easier to read.
Which is perfectly valid and fine.

John Y.