Display alternatives settings for defined command name

    CLI Example:

    .. code-block:: bash

        salt '*' alternatives.display editor

def display(name):
    '''
    Display alternatives settings for defined command name

    CLI Example:

    .. code-block:: bash

        salt '*' alternatives.display editor
    '''
    cmd = [_get_cmd(), '--display', name]
    out = __salt__['cmd.run_all'](cmd, python_shell=False)
    if out['retcode'] > 0 and out['stderr'] != '':
        return out['stderr']
    return out['stdout']