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print FILEHANDLE LIST
print { $cars{$fields[4]} } $fields[0], ',', $fields[4], "\n" if /engineer/ && !/,-,/;
if (($fields[1] eq '1' || $fields[1] eq '0') && ... print { $cars{$model} } $number, ',', $model, "\n" if /engineer/ && !/,-,/; }