how about something like

my %names = ();
map { $names{$_}++ } grep /^names/ keys %INPUT;

this creates a hash %names where each key is unique (earlier entries get clobbered by later ones)--which is what you want--with throwaway values. access the entries by using keys %names.

In reply to Re: Question about comparing data values.. by dlc
in thread Question about comparing data values.. by Anonymous Monk

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