Thanks everyone; indeed, I have a /c mount. Sorry for the noise -- in retrospect, the problem is obvious. I was thinking there was some kind of weird cmd.exe special case. Sometimes it's hard to keep track of the interaction of Windows and POSIX command-line conventions.
> -----Original Message----- > From: Buchbinder, Barry (NIH/NIAID) [E] [mailto:bbuchbin...@niaid.nih.gov] > Sent: Thursday, July 22, 2010 2:36 PM > To: cygwin@cygwin.com; 'Daniel Colascione' > Subject: RE: Stray /c invoking robocopy > > Daniel Colascione sent the following at Thursday, July 22, 2010 5:04 PM > > > >Where does the /c come from when I type "robocopy /?"? > > > >When I type, at a bash prompt, "robocopy /?", robocopy complains about > >an invalid parameter #1, "/c". With switches other than "/?", I don't > >have a problem. > > Sounds like /cygdrive is mounted as /, which means C: is mounted as /c. > Then bash interprets ? as the wildcard for a single character and C: is the first > drive that shows up. Try "robocopy '/?'" or "robocopy /\?". > > As an experiment, try "echo /?" at a bash prompt. You should also see a line > that begins "none / cygdrive" in the output of "mount -m". > > - Barry > Disclaimer: Statements made herein are not made on behalf of NIAID. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
