explanation of the options --------------------------------------------— 
Definition at line 25 of file pyroot.py.
   26    print (
"""Accepted command line options: 
   27  -b, --batch                          ...  batch mode 
   28  -i, --interactive                    ...  interactive mode [default] 
   29      --no-display                           prompt, but no graphics display 
   30  -c, --command                        ...  one-liner, runs before any scripts 
   31  -h, --help                           ...  print this help message 
   32  -,-- [arg1,...]                      ...  additional arguments passed directly 
   33                                            to user scripts (left untouched) 
   34  [<file1>.py [<file2>.py [...]]]      ...  scripts to run""")