Tom Allison wrote:
> Vineet Pande wrote:
>> I don't not understand how the $#{$array_r} returns "highest" element
>> as 4 and not 5???
>>
>> #!/usr/bin/perl
>> use warnings;
>> use strict;
>> my @array = (1,2,3,4,5);
>> my $array_r = [EMAIL PROTECTED];
>> print "the highest element is number $#{$array_r}\n";
>
> You can also write this as $#$array_r if you are into perl golf.
>
> if you want the last value:
> $$array_r[$#$array+1] or $array_r->[$#$array+1]
$#$array? Perhaps you meant $#$array_r?
$array_r->[$#$array_r+1] is one past the end of the array which doesn't
exist, perhaps you meant $array_r->[$#$array_r]?
> ( but never use $#$array_r++ !!! )
>
> To get the true length: $#$array + 1
Or better: scalar @$array_r
John
--
use Perl;
program
fulfillment
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