OpenEuphoria

Re: If/then and sequences...

• Posted by Lewis Townsend <keroltarr at HOTMAIL.COM> Aug 29, 2000
• 584 views

Hello Dan,

>     if find(1,KeyPressed) then -- pressed <esc> key ("1")

I do this all the time.

>'course, now that I've said that, I've just realized (from reading the
>manual!), that that only works if the FIRST item in the sequence is the
>match (because it returns the *position* of the match, which is taken as
>"true" by the "if" when it is the first position), so I have to go back &
>fix that!

Any NON-ZERO value will be interpreted as TRUE so it still
works. 0 is false (it didn't "find" it) and anything else
is true and it tells you where.

I do this quite often:

i = find (x, s)
if i then
  do_something (s[i])
end if

>But it's potentially useful anyway.

absolutely.

later,
Lewis Townsend
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