docs: def info_cmd():
      """Print basic information about StagYY run."""
      sdat = stagyydata.StagyyData(conf.core.path)
      lsnap = sdat.snaps.last
      lstep = sdat.steps.last
      print('StagYY run in {}'.format(sdat.path))
      if lsnap.geom.threed:
          dimension = '{} x {} x {}'.format(lsnap.geom.nxtot,
                                            lsnap.geom.nytot,
                                            lsnap.geom.nztot)
      elif lsnap.geom.twod_xz:
          dimension = '{} x {}'.format(lsnap.geom.nxtot,
                                       lsnap.geom.nztot)
      else:
          dimension = '{} x {}'.format(lsnap.geom.nytot,
                                       lsnap.geom.nztot)
      if lsnap.geom.cartesian:
          print('Cartesian', dimension)
      elif lsnap.geom.cylindrical:
          print('Cylindrical', dimension)
      else:
          print('Spherical', dimension)
      print('Last timestep:',
            '  istep: {}'.format(lstep.istep),
            '  time:  {}'.format(lstep.timeinfo['t']),
            '  <T>:   {}'.format(lstep.timeinfo['Tmean']),
            sep='\n')
      print('Last snapshot (istep {}):'.format(lsnap.istep),
            '  isnap: {}'.format(lsnap.isnap),
            '  time:  {}'.format(lsnap.timeinfo['t']),
            '  output fields: {}'.format(','.join(lsnap.fields)),
            sep='\n')