cd accepting paths with trailing dots that don't exist (bash and tcsh)

Corinna Vinschen
Tue Dec 10 08:32:00 GMT 2002

On Tue, Dec 10, 2002 at 03:49:24PM -0000, Steve Fairbairn wrote:
> Corinna & All,
> After a play with a dos command prompt, I see your point.  I would however
> point out that there is still a difference with bash.  If you have more than
> one trailing . in bash, the 'directory' it puts you in is empty, and you
> cannot create any files in there.  Also bash seems to retain the trailing
> dots as part of your cwd, which the dos prompt doesn't do.  With the dos
> prompt, it just seems to strip the trailing dots off, and always leave you
> in the directory you trailed with dots.
> As for "correct functionality" I meant whatever the cygwin developers define
> as correct.  My personal preference would be for bash to complain about the
> trailing dots, but I understand that the shell probably just uses the
> Windows OS chdir function, and so it is Windows deciding the path is valid.
> Would there be massive overhead in bash re-reading the cwd after a
> successful chdir, and so not display the dots?  How come ls etc doesn't work
> if there is more than one trailing dot?

Weird.  Works for me.  I can create a dir "a.b" with files in it and
then cd into "a.b....." and I can see the files.  I'm running tcsh, though.


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                      
Red Hat, Inc.

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