def rows
      read.map do |row|
        a = row[0]; b = row[1]; c = row[2]; d = row[3]; e = row[4]; f = row[5]
        [a, 
         b || c, 
         (d || '').gsub("\n", ' '), 
         [e, f].join(',').gsub(/^,|,$/, '')]
      end
    end
def rows
      read.map do |row|
        a = row[0]; b = row[1]; c = row[2]; d = row[3]; e = row[4]; f = row[5]
        [a, 
         b || c, 
         (d || '').gsub("\n", ' '), 
         [e, f].join(',').gsub(/^,|,$/, '')]
      end
    end
Returns row values in Arrays