def command_file_paths
      abstract_file = File.join(File.dirname(__FILE__), 'command', 'abstract_command.rb')
      Dir[File.join(File.dirname(__FILE__), 'command', '*.rb')] - [abstract_file]
    end
def command_file_paths
      abstract_file = File.join(File.dirname(__FILE__), 'command', 'abstract_command.rb')
      Dir[File.join(File.dirname(__FILE__), 'command', '*.rb')] - [abstract_file]
    end
Feturn an array of all command file paths, with the exception of abstract_command.rb