analyze.rb

require("./config.rb")
require("./file.rb")

class EssayStats
    include FileReader

    def initialize
        @words = read_file(Config::ESSAY_PATH)
    end

    def num_words
        @words.split(" ").length
    end

end

es = EssayStats.new
puts es.num_words

config.rb

module Config
    DICT_PATH = "/usr/share/dict/words"
    ESSAY_PATH = "/Users/murat/Code/LHL/modules/text"
end

file.rb

module FileReader
    def read_file(path)
        File.open(path).read
    end
end

rhyme.rb

require("./config.rb")
require("./file.rb")


class WordPlay
    # pulls all the methods from the module as Instance Methods
    include FileReader

    # pulls all the methods from the module as Class Methods
    # extend FileReader

    def initialize
        @words = read_file(Config::DICT_PATH)
    end

    def each_word
        @words.each_line do |word|
            word = word.strip
            yield word
        end
    end

    def find_palindromes(min_length)
        each_word do |word|
            if word == word.reverse && word.length >= min_length
                puts word
            end
        end
    end

    def find_rhymes(rhyme)
        each_word do |word|
            # check if any of the words end in the rhyme
            regex = /#{Regexp.quote(rhyme)}$/
            if regex.match(word)
                puts self.format_word(word)
            end
        end
    end

    def find_all_anagrams
        anagrams = {}
        each_word do |word|
            signature = word.split("").sort.join
            if !anagrams.has_key? signature
                anagrams[signature] = []
            end

            anagrams[signature] << word
        end

        anagrams.each do |key, words|
            if words.length < 3
                anagrams.delete(key)
            end
        end
        puts anagrams.inspect

        anagrams.max_by do |signature, words|
            words.length
        end
    end
end

wp = WordPlay.new
# wp.find_rhymes("rple")
# wp.find_palindromes(4)
puts wp.find_all_anagrams