Reddit word frequency counter of titles submitted to the /r/christmas subreddit. For ACM@UCSB

christmas.rb

require 'httparty'
require 'rubygems'
require 'json'

  # Create word frequency hash
  freqs = Hash.new(0)
  reddit_api_url = "http://www.reddit.com/r/christmas/new.json?sort=new&limit=100"
  resp = HTTParty.get(reddit_api_url)
  data = JSON.parse(resp.body)

  data['data']['children'].each do |submission|
  
    words = submission['data']['title'].split(/[^a-zA-Z]/)
    
    # Add occurance to word frequency hash
    words.each do |word|
      word.upcase!
      freqs[word] += 1 
    end
  end
  
  # Sort and return word frequency hash
  freqs = freqs.sort_by {|x,y| y }
  freqs.reverse!
  freqs.each {|word, freq| puts word+' '+freq.to_s}
  
  # Profit