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Subject:	RE: mv implemented as cp?!?!?!!? - problem!!
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Date:	Fri, 14 Sep 2001 11:53:21 +1000
Message-ID:	<EA18B9FA0FE4194AA2B4CDB91F73C0EF08F172@itdomain002.itdomain.net.au>
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Thread-Topic:	mv implemented as cp?!?!?!!? - problem!!
Thread-Index:	AcE8v8Pt1sQW1dUXRDy+aWWVixfPrAAAAc5A
From:	"Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
To:	"Matthew O. Persico" <persicom AT acedsl DOT com>, <cygwin AT cygwin DOT com>
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id WAA07539

*sigh.* This is in the archives.

Cygwin uses win32 calls to do mv/rm etc.

Win32 will copy-and-delete if there are _any_ locks present in the tree
structure.

The problem with perl is most likely a cache consistency problem -
something is keeping a short lived lock on something in the directory -
or the directory itself.

Rob

> -----Original Message-----
> From: Matthew O. Persico [mailto:persicom AT acedsl DOT com]
> Sent: Friday, September 14, 2001 12:10 PM
> To: cygwin AT cygwin DOT com
> Subject: Re: mv implemented as cp?!?!?!!? - problem!!
> 
> 
> "Larry Hall (RFK Partners, Inc)" wrote:
> > 
> > Hi Mark,
> > 
> > You're best bet for finding a solution to this problem is 
> to debug Perl.
> > This will give you the details you need to know how to 
> proceed with a
> > proper solution.  Certainly it is Perl that is controlling 
> the behavior
> > in this case.  
> 
> No, not at all. From the orginal post:
> 
> > I have a /usr/X11R6 directory that I wanted to get out of 
> the way. So I
> > renamed it like this:
> > 
> > cd /usr
> > mv X11R6 X11R6.XFree.4.1.0
> > 
> > It is taking multiple minutes. Looking at it in Windows 
> Explorer, I see
> > both X11R6 and X11R6.XFree.4.1.0 in existance at the same time.
> > 
> > Is mv implemented as cp and del?!?!. Why not just rename 
> the file, a'la
> > UNIX, or even Windows? Or am I really missing something?
> 
> Who said anything about perl? I'm talking bash command line, as in:
> 
> matthew AT HOME-NT-01 ~
> [3]$ type cd
> cd is a shell builtin
> 
> matthew AT HOME-NT-01 /usr
> [4]$ cd /usr
> 
> matthew AT HOME-NT-01 /usr
> [5]$ type mv
> mv is aliased to `mv -i '
> 
> matthew AT HOME-NT-01 /usr
> [6]$ mv X11R6 X11R6.XFree.4.1.0
> 
> 
> -- 
> Matthew O. Persico
>     
> http://www.acecape.com/dsl
> AceDSL:The best ADSL in Verizon area
> 
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