Normal save and load only need the command.

        To merge, just supply the merge and file arguments as kwargs like so:
        exec_cmd('load', merge=True, file='/path/to/file.txt')

def exec_cmd(self, command, **kwargs):
        """Normal save and load only need the command.

        To merge, just supply the merge and file arguments as kwargs like so:
        exec_cmd('load', merge=True, file='/path/to/file.txt')
        """

        if command == 'load':
            if kwargs:
                kwargs = dict(options=[kwargs])
        return self._exec_cmd(command, **kwargs)