use strict;
use warnings;

my $name_id = 0;
my %seen_name;

<DATA> for 1 .. 5;  # Remove headers

while ( my $line = <DATA> ) {
  next unless $line =~/\w/;
  
  if ( $line =~ /Name/ ) {
    $name_id = parse_name( $line );
  }
  else {
    my @tmp = split ' ', $line;
    shift @tmp;
	my $date = shift @tmp;
	print join ',', $name_id, $name_id, @tmp, $date;
	print "\n";
  }
}

print "\n________Names file________\n\n";

for my $key ( sort { $seen_name{$a} <=> $seen_name{$b} } keys %seen_name ) {
  my @names = split /,/, $key;
  my $val = $seen_name{$key};
  print join ",$val,", @names, "\n";

}

sub parse_name {
  my $line = shift;
  my $name = join ',', ( split ' ', $line )[1, 3];
  if ( $seen_name{$name} ) {
	$name_id = $seen_name{$name};
  }
  else {
	$name_id += 1;
	$seen_name{$name} = $name_id;
  }
  return $name_id;
}