docs: def apps(self, image=None, full_path=False, root=''):
      '''
         return list of SCIF apps in image. The Singularity software serves
         a scientific filesystem integration that will install apps to
         /scif/apps and associated data to /scif/data. For more information 
         about SCIF, see https://sci-f.github.io
  
         Parameters
         ==========
         full_path: if True, return relative to scif base folder
         image_path: full path to the image
  
      '''
      from spython.utils import check_install
      check_install()
  
      # No image provided, default to use the client's loaded image
      if image is None:
          image = self._get_uri()
  
      cmd = self._init_command('apps') + [ image ]
      output = self._run_command(cmd)
  
      if full_path is True:
          root = '/scif/apps/'
  
      if len(output) > 0:
          output = ''.join(output).split('\n')
          output = ['%s%s' %(root,x) for x in output if x]
  
      return output