Re^4: Removing duplicates in Array of Array

... or just the map (no golf; grep was excessive) ...

my @unique = map
             { ! $seen{ $_->[1] }++ 
               ? [ @{ $_ } ]
               : ()
             }
             @array;
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Re^5: Removing duplicates in Array of Array by GrandFather (Saint) on Sep 04, 2008 at 06:49 UTC
In the general case that is quite true, but in the context of the OP using both was virtually required. ;) Perl reduces RSI - it saves typing	[reply]