> -----Original Message-----
> From: David Draley [mailto:[EMAIL PROTECTED]]
> Sent: Friday, September 07, 2001 7:18 AM
> To: [EMAIL PROTECTED]
> Subject: adding array elements
>
>
> What would be the best way to add only the even array elements?
>
> @array[0..9];
>
> #result of even elements
By "add", do you mean "compute the sum"?
Destructive method:
$sum = 0;
$sum += shift @array, shift @array while @array;
Non-destructive method:
$sum = 0;
$sum += $a[$_ + $_] for 0 .. @array/2;
I don't know if either of these qualify as "best"
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