docs: def gridnet(np, pfile, plenfile, tlenfile, gordfile, outlet=None, workingdir=None,
                  mpiexedir=None, exedir=None, log_file=None, runtime_file=None, hostfile=None):
          """Run gridnet"""
          fname = TauDEM.func_name('gridnet')
          return TauDEM.run(FileClass.get_executable_fullpath(fname, exedir),
                            {'-p': pfile, '-o': outlet}, workingdir,
                            None,
                            {'-plen': plenfile, '-tlen': tlenfile, '-gord': gordfile},
                            {'mpipath': mpiexedir, 'hostfile': hostfile, 'n': np},
                            {'logfile': log_file, 'runtimefile': runtime_file})