I wouldn't sort them. 

    my @numlist = ....;
    my %numbers;
    @numbers {@numlist} = ();

    die "Not valid\n" unless @numlist == keys %numbers;
    exists $numbers {$_} or die "Not valid\n" for 1 .. @numlist;

    print "Valid\n";

    __END__

[download]

Abigail

In reply to Re: Validate array of numbers in sequence by Abigail-II
in thread Validate array of numbers in sequence by AcidHawk

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