Not that it is any different in the manner that it works, but I've always preferred: 
my @uniquelist = keys %{{map {$_=>1} @nonuniquelist}};

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An anonomous hash makes it much more compact. 
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:Wq
Not an editor command: Wq

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In reply to Re: Find unique elements in an array by etcshadow
in thread Find unique elements in an array by jcpunk

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