def do_work_specs(self, args):
        '''print the names of all of the work specs'''
        work_spec_names = [x['name'] for x in self.task_master.iter_work_specs()]
        work_spec_names.sort()
        for name in work_spec_names:
            self.stdout.write('{0}\n'.format(name))
print the names of all of the work specs