task 4

4_v2.rb

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

#mas = OpenStruct.new
mas = CSV.readlines(doc, headers: syms, col_sep: "|")

def Show_em (array_hash)
  array_hash.each do |unit| 
    puts unit[:title] + " (" + unit[:date] + "; " + unit[:genre] +") - " + unit[:duration]
  end
end

puts
puts"=========LONGEST========="
Show_em mas.max_by(5){|a| a[:duration].split(" ").first.to_i}
puts

puts"====EARLIEST_COMEDIES===="
Show_em mas.select{|unit| 
  unit[:genre].include?("Comedy")}.min_by(10){|a| a[:date].split("-")}
puts

puts"========DIRECTORS========"
#puts mas.collect{|unit| 
#  unit[:director]}.uniq.sort_by{|a| a.split(" ").last}
puts mas[:director].uniq.sort_by{|a| a.split(" ").last}
puts

puts"=========NOT_USA========="
#puts mas.select{|unit| unit[:country] != "USA" }.length
puts mas[:country].count{|a| a != "USA"}
puts