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Date:	Wed, 9 Mar 2011 12:38:51 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: if [ -w branching: how to spot a locked USB stick
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On Mar  9 11:11, Fergus wrote:
> >> http://cygwin.com/ml/cygwin-cvs/2007-q3/msg00035.html
> 
> Thanks, Corinna, amazingly helpful and prompt (and concise) as usual.
> However: here is an excerpt from a DOS command prompt:
> 
> Q:\home\user>dir  /ar /s /b <Enter>
> Q:\home\user\sc\l\gn
> Q:\home\user\sc\d\amy.d
> 
> In other words, under $HOME, there is one read-only folder
> ~/sc/l/gn/ and one read-only file ~/sc/l/d/amy.d.
> However, ls -al exhibits this attribute only for the file and not
> the folder:
> 
> ~> # NB In what follows ...
> ~> # ... amy.d  shows up as -r-- not -rw- GOOD ...
> ~> # ... but gn shows up as drwx not d-wx NOT SO GOOD
> ~> ls -alR sc
> ...
> sc/d:
> ...
> -r--r--r-- 1 fergus q.1.7    4829 Feb 16 07:00 amy.d
> ...
> sc/l:
> drwxr-xr-x 1 fergus q.1.7     0 Mar  8 14:56 gn/
> ...
> 
> and if [ -w ... also gets things wrong:
> 
> ~> if [ -w sc/d/amy.d ] ; then echo +W ; else echo -W ; fi
> -W
> ~> if [ -w sc/l/gn ] ; then echo +W ; else echo -W ; fi
> +W
> 
> Is this something that could receive attention? (Hope I haven't
> somehow got things wrong myself.)

First of all, this is something entirely different from what you were
asking in your OP.

Second, keep in mind that the R/O attribute on directories does not
indicate a read-only directory, therefore it's ignored by Cygwin as
well.  See http://support.microsoft.com/kb/326549.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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