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Date:	Tue, 1 May 2007 10:58:21 -0400
From:	Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
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Subject:	Re: [Ping Python maintainer]: enhancement request
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On Tue, May 01, 2007 at 03:30:59PM +0100, Thorsten Kampe wrote:
>* Christopher Faylor (Tue, 1 May 2007 10:22:58 -0400)
>>On Tue, May 01, 2007 at 02:59:20PM +0100, Thorsten Kampe wrote:
>>>* Eric Blake (Tue, 01 May 2007 07:27:49 -0600)
>>>>According to Thorsten Kampe on 5/1/2007 7:11 AM:
>>>>>Both things are actually the same under Cygwin (tested on my FAT32
>>>>>flash drive and under Windows XP NTFS).
>>>>
>>>>True only for FAT and FAT32, which don't support hard links at all.
>>>>
>>>>>NTFS supports hard links but these are likely not the same as the Unix
>>>>>hard links
>>>>
>>>>Actually, NTFS hard links are supported, and cygwin uses them
>>>>(setup.exe, however, currently does not, so making a hard link in a
>>>>package won't matter, since setup.exe turns it into a copy anyway).
>>>>
>>>>>and Cygwin ln does not create the Windows ones.
>>>>
>>>>Actually, cygwin ln resorts to whatever cygwin1.dll does in the link()
>>>>syscall, and in the case of an NTFS drive, this creates an NTFS hard
>>>>link.
>>>
>>>You are right.  Unfortunately you cannot "see" hard links in Cmd or 4NT
>>>"dir" output (while softlinks are displayed as junctions).
>>
>>That's incorrect.  DIR does display hard links, at least on XP.
>
>It displays the file but no information that this is "only" a hard
>link.  With ls you have "-i" to check the inode...

It doesn't matter what DIR displays.

I don't think it's fruitful to spend a lot of time worrying about how
the non-POSIX, non-LINUX, MS-DOS shell interacts with the more advanced
things that Cygwin does.  <broken record>The whole point of Cygwin is
to make things better so that you don't have to use MS-DOS tools</broken record>.

Anyway, I'm only still typing because I'm trying to make sure that there
are no misconceptions in this thread which will come back to haunt in
the future.  I don't think that a hard link is the way to go unless
someone wants to fix setup.exe.

cgf

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