docs: def isfile(self, str_path):
              """
              A convenience function, returns bool if <str_path> is
              a "file" in the tree space
              """
  
              b_isFile            = False
              if self.isdir(str_path):
                  b_isFile        = False
              else:
                  str_parentDir   = '/'.join(str_path.split('/')[0:-1])
                  str_fileName    = str_path.split('/')[-1]
                  if self.cd(str_parentDir)['status']:
                      l_files = self.lsf(str_parentDir)
                      if any(str_fileName in f for f in l_files):
                          b_isFile    = True
              return b_isFile