3-task.rb

movie = ARGV[0] || 'movies.txt'
if !File.exist?(movie)
  p 'File error'
  return
end

whole_list = Array.new

KEYS = [:link, :title, :year, :country, :date, :genre, :duration, :rating, :director, :actors]

File.readlines(movie).map do |line|
  ar_line = line.split('|')
  list = KEYS.zip(ar_line).to_h
  whole_list << list
end

longest_movies = whole_list.max_by(4){|i| i[:duration].to_i}
comedy_movies = whole_list.select{|m| m[:genre].include?("Comedy")}.sort_by{|i| i[:date]}[0..9]
p "Director's sorting:"
whole_list.map{|m| m[:director]}.uniq.sort_by{|dir| dir.split(" ").last}.each{|dir| p dir}
p "Number of Movies created not in USA — #{whole_list.count{|m| m[:country] != "USA"}}"

def parse_movies(arr)
  arr.each{|m| p "Title: #{m[:title]}, year: #{m[:year]}, country: #{m[:country]}, genre: #{m[:genre]} and duration — #{m[:duration]}"}
end

p "Longest movies list:"
parse_movies(longest_movies)
p "Comedies:"
parse_movies(comedy_movies)