rudix.py: Added command names (install, remove, help, etc.). Added an interactive mode (option -z or command interactive). Made main() a plain function, don't os.exit() there. Function root_requires() no longer exists, just print the error. Added is_root() to test for root.
rudix.py: Added command names (install, remove, help, etc.).
Added an interactive mode (option -z or command interactive).
Made main() a plain function, don't os.exit() there.
Function root_requires() no longer exists, just print the error.
Added is_root() to test for root.

FelixZhang00/rudix,rudix-mac/rudix,rudix-mac/rudix,rudix-mac/rudix,FelixZhang00/rudix,FelixZhang00/rudix,FelixZhang00/rudix