> -----Original Message----- > From: Peter Rosin > Sent: Friday, April 29, 2016 8:03 AM > > On 2016-04-29 13:34, Gene Pavlovsky wrote: > >>> POSIX says a symlink to a missing target is perfectly > well-defined > >>> (you can't stat() through it, but you can readlink() it). But > >>> Windows native symlinks can't do that. So the problems you are > >>> encountering all stem from the fact that you are trying > to make Windows do something it can't. > >> > >> My initial reaction was that, too, but I tried mklink (CMD > internal > >> command) > >> > >>> mklink x y > >> > >> and it created the symlink in the empty directory just fine. > > > > This is my point exactly. Windows dangling symlinks can be > created as > > easily as in UNIX. > > At least this is the case on my Win7 x64. > > No, it can't. > > c:\>mklink a b > c:\>mkdir b > c:\>cd b > c:\b>cd .. > c:\>cd a > The directory name is invalid > c:\>rmdir b > c:\>echo hello > b > c:\>type a > hello > > It only works for dangling links to files. Not good enough.
To be more precise, you must choose file or dir symlinks at cretion time: Microsoft Windows [Version 6.1.7601] Copyright (c) 2009 Microsoft Corporation. All rights reserved. C:\Windows\system32>cd C:\cygwin\tmp\winlinktest\dirs C:\cygwin\tmp\winlinktest\dirs>mklink /D a b symbolic link created for a <<===>> b C:\cygwin\tmp\winlinktest\dirs>mkdir b C:\cygwin\tmp\winlinktest\dirs>cd b C:\cygwin\tmp\winlinktest\dirs\b>cd .. C:\cygwin\tmp\winlinktest\dirs>cd a C:\cygwin\tmp\winlinktest\dirs\a>cd .. C:\cygwin\tmp\winlinktest\dirs>rmdir b C:\cygwin\tmp\winlinktest\dirs>echo hello > b C:\cygwin\tmp\winlinktest\dirs>type a Access is denied. C:\cygwin\tmp\winlinktest\dirs>del b C:\cygwin\tmp\winlinktest\dirs>mkdir b C:\cygwin\tmp\winlinktest\dirs>cd a C:\cygwin\tmp\winlinktest\dirs\a> Jason Pyeron -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Principal Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- -- 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
