reddit.rb

require 'rest-client'
require 'json'
require 'pry'

endpoint_url = 'http://www.reddit.com/r/all.json'
response = RestClient.get(endpoint_url)
parsed_response = JSON.parse(response)

posts = parsed_response["data"]["children"].each_with_object([]) do |post, array|
  array << { 
    title: post["data"]["title"],
    url: post["data"]["url"],
    author: post["data"]["author"]
  }
end

html = posts.inject('') do |html, post| 
  html << "<a href='#{post[:url]}'>#{post[:title]}</a> - By #{post[:author]}<br>"
end

File.write('reddit.html', html)