def create_sum_row
        line = []
        header.clear_header_cols.each do |col|
          line << @sum_row[col] || ""
        end
        line.flatten.join(';')
      end
def create_sum_row
        line = []
        header.clear_header_cols.each do |col|
          line << @sum_row[col] || ""
        end
        line.flatten.join(';')
      end
def create_sum_row line = [ ] header . clear_header_cols . each do | col | line << @sum_row [ col ] || "" end line . flatten . join ( ';' ) end
Creates the sum_row when the file has been completely processed
Creates the sum_row when the file has been completely processed