bin/ferver in ferver-1.1.0 vs bin/ferver in ferver-1.2.0

@@ -1,13 +1,28 @@
 #!/usr/bin/env ruby
 
+require 'optparse'
 require 'sinatra'
 require 'ferver'
 
+options = {}
+OptionParser.new do |opts|
+  opts.banner = 'Ferver: A simple web app to serve files over HTTP. Version: ' + Ferver::VERSION
+  opts.separator ''
 
-# use the first argument as the file path to serve from
-ferver_path = (ARGV.length == 1 && ARGV[0]) || nil
-Ferver::App.set :ferver_path, ferver_path
+  opts.on('-d', '--directory [DIRECTORY]', 'Specify the path to the directory to serve files from [optional]') do |directory|
+    options[:directory] = directory
+  end
+
+  opts.on("-h", "--help", "Displays help") do
+    puts opts
+    exit
+  end
+end.parse!
+
+Ferver.configure do |config|
+  config.directory_path = options[:directory]
+end
 Ferver::App.set :environment, :production
 
 # run!
-Ferver::App.run!
\ No newline at end of file
+Ferver::App.run!