require 'rubygems'
require 'directory_watcher' # gem install directory_watcher
require 'net/sftp' # gem install net-sftp

SEARCH_DIR = File.expand_path('~/Downloads')
SERVER = ''
USERNAME = ''
PASSWORD = ''
REMOTE_DIR = ''

def upload(path)
  Net::SFTP.start(SERVER, USERNAME, :password => PASSWORD) do |sftp|
    sftp.upload(path, File.join(REMOTE_DIR, File.basename(path)))
  end
end

def remove(path)
  File.delete(path)
end

def handle_torrent(path)
  puts "Uploading file: #{path}"
  upload(path)
  remove(path)
end

watcher = DirectoryWatcher.new(SEARCH_DIR)
watcher.glob = '*.torrent'
watcher.add_observer do |*args|
  args.each do |event|
    handle_torrent(event.path) if event.type == :added
  end
end

watcher.start
gets