very rough solution for the quiz

solutions/bfagundez/shakespeare.rb

@@ -0,0 +1,94 @@
+
+TASK = ARGV[0]
+DIR_NAME = ARGV[1]
+
+filename_list = []
+Dir[File.dirname(__FILE__) + "/#{DIR_NAME}/*.txt"].each { |f|
+  filename_list << f
+}
+
+if TASK == "1"
+
+
+    # let's get the distribution of words
+    letters = ('a'..'z').to_a
+    letter_word_counter = {}
+    letters.each do |l|
+      letter_word_counter[l] = 0
+    end
+
+    filename_list.each do |f|
+      File.open(f).readlines.each do |line|
+        # break line on whitespaces and ignore numbers
+        words = line.gsub(/[^a-zA-Z ]/,'').gsub(/ +/,' ').downcase.split
+
+        words.each do |w|
+          letter_word_counter[w[0]] += 1
+        end
+      end
+    end
+
+    p "Counters of words starting with each letter: \n"
+    p letter_word_counter
+
+    # this is taking 2.005s total
+
+end
+
+if TASK == "2"
+  # top ten words
+  top_ten_words = {}
+
+  filename_list.each do |f|
+    File.open(f).readlines.each do |line|
+      # break line on whitespaces and ignore numbers
+      words = line.gsub(/[^a-zA-Z ]/,'').gsub(/ +/,' ').downcase.split
+
+      words.each do |w|
+        if top_ten_words[w].nil?
+          top_ten_words[w] = 1
+        else
+          top_ten_words[w] += 1
+        end
+      end
+
+    end
+  end
+
+  top_ten_purged = top_ten_words.sort_by {|k, v| v}.reverse!
+  p top_ten_purged[0..9]
+
+  # this is taking 2.466s total
+
+end
+
+if TASK == "3"
+  char_counters = {}
+
+  filename_list.each do |f|
+    lines = File.open(f).readlines().join
+    onlychars = lines.gsub!(/\W+/, '').downcase
+    curr_char = 0
+    last_char = 2
+    while last_char < onlychars.length
+      this_sequence = onlychars[curr_char..last_char]
+
+      if char_counters[this_sequence].nil?
+        char_counters[this_sequence] = 1
+      else
+        char_counters[this_sequence] = char_counters[this_sequence] + 1
+      end
+
+      curr_char = curr_char + 1
+      last_char = last_char + 1
+
+    end
+
+  end
+
+
+  top_three_char = char_counters.sort_by {|k, v| v}.reverse!
+  p top_three_char[0..2]
+
+  # this is taking 3.220s total
+end