GrouperShell.setOurCommand(i, true);
  public static Set invoke(Interpreter i, CallStack stack, String name)     throws  GrouperShellException  {    try {      GrouperSession  s     = GrouperShell.getSession(i);      Stem            root  = StemFinder.findRootStem(s);      GrouperQuery    gq    = GrouperQuery.createQuery(        s,         new GroupNameFilter(name, root)      );      return gq.getGroups();    }    catch (QueryException eQ) {      GrouperShell.error(i, eQ);    }    throw new GrouperShellException();  } // public static Set invoke(i, stack, name)