On Sun, 28 Mar 2004, Dan Kegel wrote: > Larry Hall wrote: > >>./foo.sh > >>mv foo.sh foo.exe > >>./foo.exe > >> > >>The first foo.sh works fine. The second... well, it's entertaining. > >>I have to kill the window, ^C is ignored. > > > > Well, ^C worked for me, though the terminal then would not respond to > > any other input. Maybe that's what you meant by "it's entertaining". > > I wouldn't expect the same results everywhere, but when > I try it, the scroll bar goes away, and the screen is filled > with falling snow. > > >>Now, I know one shouldn't do nasty tricks like that, but > >>I ran into it very innocently. I was trying to make a distcc > >>masquerade directory on cygwin; my technique has been to > >>create shell scripts with the same name as the real app > >>that set a few variables and run a different app with the > >>original commandline as arguments. On cygwin, the original > >>app was named something.exe, so using my usual technique, I > >>created a shell script named something.exe, and kerblooie! > > > > Yes, this is a known issue. It's the same old problem one would expect > > to have on a system that relies on the filename to determine what it > > should do with the file. You'd see something similar with a .bat/.exe > > file combination in Windows, unless I'm misinterpreting what you're > > saying.. > > Yes, except that since the exec is being done by Cygwin, > you'd expect it to maybe pay attention to the #! line > before trusting the .exe suffix. But since #! isn't > a Posix requirement, Cygwin is well within its rights to > ignore it in this case. > (cf. http://www.in-ulm.de/~mascheck/various/shebang/ ) > > Anyway, my scripts now strip off .exe where appropriate > (i.e. when naming wrapper scripts) and add the missing > .exe where appropriate (i.e. when trying to remove files), > and that works fine. > - Dan
'Ware of this issue: <QUOTE from http://cygwin.com/cygwin-ug-net/using-specialnames.html#AEN846> If a shell script myprog and a program myprog.exe coexist in a directory, the program has precedence and is selected for execution of myprog. </QUOTE> HTH, Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_ [EMAIL PROTECTED] ZZZzz /,`.-'`' -. ;-;;,_ [EMAIL PROTECTED] |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! "I have since come to realize that being between your mentor and his route to the bathroom is a major career booster." -- Patrick Naughton -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
