bin/twog in twog-0.1.0 vs bin/twog in twog-0.2.0

@@ -1,9 +1,48 @@
 #!/usr/bin/env ruby
 
-require 'rubygems'
+$:.unshift File.join(File.dirname(__FILE__), *%w[.. lib])
+
 require 'twog'
+require 'optparse'
 
-raise "please run 'rake gen_config' to create the ~/.twog.yaml file" unless File.exists?("#{ENV['HOME']}/.twog.yaml")
+help = <<HELP
+Twog is a tool to tweet blog posts.
+
+  Configuration is read from your home directory in the file '.twog.yaml'
+  
+  SAMPLE cong.yaml:
+  rss_feed: 'http://url.com/feed.rss'
+  consumer_key: 'consumer key'
+  consumer_secret: 'consumer secret'
+  access_token: 'access token'
+  access_secret: 'access secret'
+  bitly_username: 'username'
+  bitly_api_key: 'api key'
+  last_blog_post_tweeted:
+
+HELP
+
+options = {}
+opts = OptionParser.new do |opts|
+  opts.banner = help
+
+  opts.on("--version", "Display current version") do
+    puts "Jekyll " + Twog.version
+    exit 0
+  end
+end
+
+# Read command line options into `options` hash
+opts.parse!
+
+# Get args from the command line
+case ARGV.size
+  when > 0
+    puts "Invalid options. Run `twog --help` for assistance."
+    exit(1)
+end
+
+raise "please run 'rake twog:conf_create' to create the ~/.twog.yaml file" unless File.exists?("#{ENV['HOME']}/.twog.yaml")
 conf = YAML.load_file("#{ENV['HOME']}/.twog.yaml")
 
 Twog.run(conf)