or 
#!/usr/bin/perl -w
use strict;

my @one=(1,2,3,4,5,6);
print scalar(@one);

[download]
or 
print $#one;

[download]
depends on what you want.
UPDATE
you should also check out the the basic datatypes, three node

In reply to Re: how many elements in array? by tcf03
in thread how many elements in array? by Anonymous Monk

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