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Date: Sun, 10 Jul 2005 00:48:17 -0700
From: Yitzchak Scott-Thoennes <sthoenna AT efn DOT org>
To: cygwin AT cygwin DOT com
Subject: Re: File Naming Between Cygwin and Windows
Message-ID: <20050710074817.GB1376@efn.org>
References: <loom DOT 20050709T065404-647 AT post DOT gmane DOT org>
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On Sat, Jul 09, 2005 at 05:03:57AM +0000, Ross MacGillivray wrote:
> 
> I am trying to access via a cygwin application a file called kdeinit-127.0.0.1:0.
> The filename is generated within the software, so it is not trivial to change
> the file name in the file access via the file system.  
> 
> However the underlying Windows file system does not accept colons (:), so the
> file is actually called kdeinit-127.0.0.1_0.
> 
> How does cygwin deal with characters not accepted by the windows file system
> such as colon(:).  Does it translate these characters automtically in file
> system calls?

cygwin doesn't (except using a managed mode mount).  Whatever's translating
: to _ for you isn't cygwin.

Note that NTFS does have a weird feature involving :

$ mkdir tmp

$ cd tmp

$ cat >ab:cd
hello
^D

$ cat ab:cd
hello

$ ls -l ab:cd
-rw-r--r--  1 sthoenna None 6 Jul 10 00:40 ab:cd

$ ls -l
total 0
-rw-r--r--  1 sthoenna None 0 Jul 10 00:43 ab

$ rm ab

$ ls -l ab:cd
ls: ab:cd: No such file or directory

See: http://www.securityfocus.com/infocus/1822

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