Re: https://twitter.com/burritojustice/status/323668719530278912

self-describing-tweets.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'numbers_and_words'

VOWELS = ['a','e','i','o','u']
CONSONANTS = ('a'..'z').to_a.delete_if do |char|
  VOWELS.include?(char)
end

def count(type,str) # type = VOWELS or CONSONANTS
  str.downcase.split("").inject(0) do |count,char|
    if type.include?(char) then
      count + 1
    else
      count
    end
  end
end

TweetCandidate = Struct.new(:vowels, :consonants, :text)
tweet_candidates = []

50.times do |num_vowels|
  50.times do |num_consonants|
    tweet_candidates << TweetCandidate.new(num_vowels, num_consonants, "In this tweet are #{num_vowels.to_words.downcase} vowels and #{num_consonants.to_words.downcase} consonants")
  end
end

tweet_candidates.each do |candidate|
  if (count(VOWELS,candidate[:text]) == candidate[:vowels]) then
    if (count(CONSONANTS,candidate[:text]) == candidate[:consonants]) then
      puts "We have a winner!"
      puts "=> #{candidate[:text]}"
    end
  end
end

# results:
# In this tweet are sixteen vowels and thirty consonants
# In this tweet are eighteen vowels and thirty-two consonants
# In this tweet are nineteen vowels and thirty-one consonants
# In this tweet are nineteen vowels and thirty-three consonants