On Fri, Dec 12, 2014 at 10:42:21AM -0800, patrick keshishian wrote: > Just throwing this out there: will this program ever get > installed with filename shorter than ch{grp,mod,own,flags}?
No. It's still a form of input validation. Therefore, it should be done. And a user can create such a link (even though behavior is pretty obfuscated then). $ cd ~/bin $ which x which: x: Command not found. $ ln -s /bin/chmod x $ x usage: x [-h] [-R [-H | -L | -P]] group file ... $ _ Tobias