for my $row ( @{$serials}) {
my $equ = $$row[$equIndex];
my $pmf = $$row[$pmfIndex];
my $pro = $$row[$proIndex];
my $serial = $$row[$serialIndex];
my $usr = $$row[$usrIndex];
my $date = $$row[$dateIndex];
my $clean = $$row[$cleanIndex];
push @{$duplicates{$clean}}, [$equ, $pmf, $pro, $serial, $usr,
+ $date];
}
}
After the loop, check to see which hash entries have arrays with only one element
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