Re: [MacPerl] Elementary question (I think)

[bart.lateur@skynet.be (Bart Lateur)]

On Thu, 11 Mar 1999 15:34:52 +0000, Chris Sansom wrote:

>Suppose I have an array @stuff, when can and can't I use this syntax:
>
>for ($i = 0; $i <= @stuff, $i++) {
>...
>}
>
>I was under the impression that this was perfectly safe, but it seems to
>break my script. As soon as I change all those @'s in this type of
>construct to $# it works just fine.

You're doing one loop too many. Result is that $stuff[$i] is undefined
in that last loop.

Either use:

	for ($i = 0; $i < @stuff; $i++) { ... }
or
	for ($i = 0; $i < $#stuff; $i++) { ... }

The last item in @stuff is number $#stuff, @stuff is one more if $]==0
(default/recommended).

	Bart.

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