docs: def node_copy(self, astr_pathInTree, **kwargs):
              """
              Typically called by the explore()/recurse() methods and of form:
  
                  f(pathInTree, **kwargs)
  
              and returns dictionary of which one element is
  
                  'status':   True|False
  
              recursion continuation flag is returned:
  
                  'continue': True|False
  
              to signal calling parent whether or not to continue with tree
              transversal.
  
              Save the node specified by a path in the data tree of self
              (the astr_pathInTree) to the passed data tree, relative to a
              passed 'pathDiskRoot', i.e.
  
                  S.node_copy('/', destination = T, pathDiskRoot = '/some/path/in/T')
  
              Will copy the items and "folders" in (source) S:/ to
              (target) T:/some/path/in/T
  
              :param kwargs:
              :return:
              """
  
              # Here, 'T' is the target 'disk'.
              T                   = None
              str_pathDiskRoot    = ''
              str_pathDiskFull    = ''
              str_pathTree        = ''
              str_pathTreeOrig    = self.pwd()
              for key, val in kwargs.items():
                  if key == 'startPath':      str_pathTree        = val
                  if key == 'pathDiskRoot':   str_pathDiskRoot    = val
                  if key == 'destination':    T                   = val
              str_pathDiskOrig    = T.pwd()
              str_pathDiskFull    = str_pathDiskRoot + str_pathTree
  
              # self.debug('In node_copy... str_pathDiskfull = %s\n' % str_pathDiskFull)
  
              if len(str_pathDiskFull):
                  if not T.isdir(str_pathDiskFull):
                      try:
                          T.mkdir(str_pathDiskFull)
                      except:
                          return {'status' :      False,
                                  'continue':     False,
                                  'message':      'unable to create pathDiskFull: %s' % str_pathDiskFull,
                                  'exception':    exception}
                  if T.cd(str_pathDiskFull)['status']:
                      if self.cd(str_pathTree)['status']:
                          T.cd(str_pathDiskFull)
                          for str_filename, contents in self.snode_current.d_data.items():
                              # print("str_filename = %s; contents = %s" % (str_filename, contents))
                              T.touch(str_filename, contents)
                      else:
                          return{'status':    False,
                                 'continue':  False,
                                 'message':   'source pathTree invalid'}
                      self.cd(str_pathTreeOrig)
                      T.cd(str_pathDiskOrig)
                      return {'status':   True,
                              'continue': True}
                  else:
                      return{'status':    False,
                             'continue':  False,
                             'message':   'target pathDiskFull invalid'}
              return {'status':   False,
                      'continue': False,
                      'message':  'pathDiskFull not specified'}