so, for example (to clarify): 

my @a = qw( 1 2 3 3 2 );
my @b = qw( 1 4 5 5 4 );
my @c = qw( 1 6 7 7 6 );

[download]


should give back 
1 2 3 4 5 6 7

[download]


right? basically you could make one big list and find the uniques from that?
--------------
It's sad that a family can be torn apart by such a such a simple thing as a pack of wild dogs

In reply to Re^3: better union of sets algorithm? by RazorbladeBidet
in thread better union of sets algorithm? by perrin

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