gistfile1.txt

test_str = "Doo bee doo bee doo"

counted = Hash[test_str.downcase.split.map { |p| [p, 0] }]
        #=>      {"doo"=>0, "bee"=>0} 


Desired output (counting number of times a word appears in a string, returned inside of a hash)

  #=> {'doo' => 3, 'bee' => 2}



BOOM

        h = Hash.new
	words = test_str.downcase.split
	words.each do |w|
		if h.has_key?(w)
			h[w] = h[w] + 1
		else
			h[w] = 1
		end
	end
	return h

test_string = "Doo bee doo Bee doo"
converted_string = test_string.downcase.split(" ") 
converted_string.sort! { |a,b| b <=> a }

word_count = converted_string.inject({}) do |hash, word|  
  if hash.empty?
    hash[word] = 1  
  elsif hash.has_key?(word)
    hash[word] += 1
  else
    hash[word] = 1
  end
  hash
end

p word_count