repeating bad

task3.rb

mas = []
doc = "movies.txt"
syms = [:link, :title, :year, :country, 
        :date, :genre, :duration,
        :rating, :director, :stars]

buff = {}
i = 0 
File.foreach(doc) do |line|
  line.chomp!
  line = line.split("|")
  line.each do |info|
    buff.merge!({syms[i] => info})
    i += 1
  end
  mas.append(buff)
  buff = {}
  i = 0
end


def DateCompare(unit_1, unit_2)
  unit_1 = unit_1.split("-").join
  unit_1 = unit_1 + "0" * (8 - unit_1.size) if unit_1.size < 8
  unit_2 = unit_2.split("-").join
  unit_2 = unit_2 + "0" * (8 - unit_2.size) if unit_2.size < 8
  return true if unit_1.to_i > unit_2.to_i
  return false
end

def DurationCompare(unit_1, unit_2)
  unit_1 = unit_1.split(" ")
  unit_2 = unit_2.split(" ")
  return true if unit_1[0].to_i > unit_2[0].to_i
  return false
end


buff = Array.new(5, nil)

mas.each do |comp|
  buff.each_index do |n|
    if buff[n] == nil
      buff[n] = comp
      break
    elsif DurationCompare(comp[:duration],buff[n][:duration])
      buff.insert(n, comp)
      buff.pop
      break
    end     
  end
end

buff.each{|unit| print unit[:title] + " "; puts unit[:duration]}
puts"**************************************"

buff = Array.new(10, nil)
mas.each do |comp|
  buff.each_index do |n|
    if buff[n] == nil and comp[:genre].include?("Comedy")
      buff[n] = comp
      break
    elsif comp[:genre].include?("Comedy") and DateCompare(buff[n][:date], comp[:date])
      buff.insert(n, comp)
      buff.pop
      break
    end     
  end
end

buff.each{|unit| print unit[:title] + " "; puts unit[:genre]}