frequency.rb

text = open('article.txt').read

#create hash

histogram = {}

words = text.split

special_chars = (" ".."@").to_a
special_chars << ":"

clean_words = []

words.map do |word|
  split_word = word.split("")
  split_word.each do |letter|
    if special_chars.include?(letter)
      split_word.delete(letter)
      clean_words << split_word.join
    else
      clean_words << split_word.join
    end
  end
end




clean_words.each do |word|
  word_count = clean_words.count(word)
  histogram[word] = word_count
end

sorted_histogram = histogram.sort_by do |key, value|
  -value
end

p sorted_histogram