completed challenge

parser.rb

@@ -0,0 +1,41 @@
+
+class Parser
+  def initialize(filename)
+    file = File.open(filename, "r")
+    @text = ''
+    file.each_line do |txt|
+      @text += txt
+    end
+  end
+
+  def array_of_words
+    @text.split(/\W+/)
+  end
+
+  def map_words_to_count
+    array = array_of_words
+    hash = {}
+    array.each do |item|
+      item = item.downcase
+      if hash[item] == nil
+        hash[item] = 1
+      else
+        hash[item] += 1
+      end
+    end
+    hash
+  end
+
+  def decreasing_order_word_count
+    map_arr = map_words_to_count.to_a
+    map_arr = map_arr.sort_by {|tuple| tuple[1]}.reverse
+  end
+end
+
+speechParser = Parser.new './speech.txt'
+
+map_of_words_and_counts = speechParser.decreasing_order_word_count
+
+map_of_words_and_counts.each do |item|
+  puts "#{item[0]} => #{item[1]}"
+end