na-tho79j@oa-34-mel:~$ sudo /usr/local/sbin/add_nexus_group
ERROR: Wrong number of arguments.
This script adds a local group entry based on information available
in https://ims.csiro.au/uup/group.txt

Usage: add_nexus_group <option> group_name/gid
    group_name: Nexus group name
    gid:        Nexus gid

  Options:
    -f: Specify local group cache file.
    -u: Update group cache.
    -s: Sync uup entries.
    -d: Debug mode.
    -h: Print out this message.
na-tho79j@oa-34-mel:~$