Perhaps a solution would be to use the values instead of the keys, but this means that all the data is copied about again, and so is highly unlikely to be the most efficient approach. 

my @new = do{local %h; @h{@a,@b,@c,@d} = (@a,@b,@c,@d); values %h};

[download]
Adapted from BrowserUk's code 

--
integral, resident of freenode's #perl

In reply to Re: Re: How to connect more arrays to a new array by integral
in thread Find unique elements from multiple arrays by Anonymous Monk

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