>
To: "David Draley" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Friday, September 07, 2001 5:40 PM
Subject: Re: adding array elements
> --- David Draley <[EMAIL PROTECTED]> wrote:
> > What would be the best way to add only the even array elements?
> >
>
--- David Draley <[EMAIL PROTECTED]> wrote:
> What would be the best way to add only the even array elements?
>
> @array[0..9];
>
> #result of even elements
>
> thank you
David,
Just don't do:
use strict;
my @data = qw/ 1 2 3 4 5 9 /;
my $sum = 0;
map { $sum += $data[$_] if $
> -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];
i can think of a few ways ...
# loop through the array and check the index
my $index = 1;
for my $value (@array)
{
next if $index%2;
push @only_even , $value;
$index++;
}
# or you can shift two elements and use the last one ...
for my $value (@array) {
# you can a
What would be the best way to add only the even array elements?
@array[0..9];
#result of even elements
thank you
_
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