From DojoWiki

class Weather

  def getValue(filename)
    day = nil
    smallest = 1000
    IO.foreach(filename) { | line |
      if( line.length == 91 && !(line.include?('Dy')))
        max = line[6..8].to_i
        min = line[12..14].to_i
        if ((max - min).abs < smallest)
          smallest = (max - min).abs
          day = line[2..4]
        end
      end
    }
    puts day
  end  
end

w = Weather.new
w.getValue("K4Weather.txt")

class Soccer

  def getValue(filename)
    team = nil
    smallest = 1000
    IO.foreach(filename) { | line |
      if( line.length == 60 && !(line.include?('--')))
        f = line[43..45].to_i
        a = line[50..52].to_i
        if ((f - a).abs < smallest)
          smallest = (f - a).abs
          team = line[7..14]
        end
      end
    }
    puts team
  end

end


s = Soccer.new
s.getValue("K4Soccer.txt")