Not sure why you want it as arrays -- this is ideal for a hash: 

my @array = qw( a a b c d d );
my %counts;
$counts{$_}++ for @array;

# if you really want arrays back at the end:
my @keys = keys %counts;
my @vals = values %counts;

[download]

-xdg

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In reply to Re: Summarize or Consolidate array by value? by xdg
in thread Summarize or Consolidate array by value? by descolada

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