[Feature Request]: implement function 'get_conf'

[aronchanisme]

Is there an existing issue for the feature request?

• [X] I have checked the existing issues.

Feature Description

 [conf_list]  : optional, configuration list in key, seperated by comma.
              : use 'all' or leave it as blank to print all configurations
  e.g.        : mo_ctl getconf MO_PATH,MO_PW,MO_PORT  # get multiple configurations
              : mo_ctl getconf MO_PATH                # get single configuration
              : mo_ctl getconf all                    # get all configurations
              : mo_ctl getconf                        # get all configurations

Feature Implementation

filter conf key from conf file or returns all if all or not key is specified

Additional information

none

[aronchanisme]

feature implemented