package JunnkSites 0.03; use parent qw(Exporter); our @EXPORT = qw(KnownJunkSite); sub KnownJunkSite { my ($a) = (@_); my %junksites = ( "bollyinside.com", "www.bollyinside.com", ... "worldtrademarkreview.com", "www.worldtrademarkreview.com", ); if(exists($junksites{$a})) { $a = 1; } else { $a = 0; } return($a); }