let mut values: HashMap<&str, &str> = HashMap::new();

while rdr.read_byte_record(&mut record)? {
  //println!("{:?}", str::from_utf8(&record[indexMatch]).unwrap());
  let keyValue = str::from_utf8(&record[indexMatch]).unwrap();
  let exportValue = str::from_utf8(&record[indexExport]).unwrap();
  values.insert(keyValue, exportValue);
}