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Date: Sat, 9 Jun 2001 15:54:21 +0300
Message-Id: <200106091254.PAA21647@linux.>
From: "Ehud Karni" <ehud AT unix DOT simonwiesel DOT co DOT il>
To: kerry AT bytedesigns DOT com
Subject: Re: Problem with system commands: cp and mv
CC: cygwin AT cygwin DOT com
In-reply-to: <04e701c0f076$66326600$c600a8c0@kssony> (message from Kerry
	Sanger on Fri, 8 Jun 2001 16:54:01 -0700)
Organization: Simon & Wiesel Insurance agency
Reply-to: ehud AT unix DOT simonwiesel DOT co DOT il
References:  <04e701c0f076$66326600$c600a8c0 AT kssony>
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On Fri, 8 Jun 2001 16:54:01 -0700, Kerry Sanger <kerry AT bytedesigns DOT com> wrote:
> 
> I can't cp or mv any simple executable..example:
> 
>      simple C program - expire.c
> 
>      compile and link expire.c:
>     
>             gcc -c -I. expire.c
>             gcc expire.o -o expire
> 
>      from the current directory where the expire
>      executable exists and where a subdirectory util
>      exists:                  cp expire util/
>     -or-                      cp expire util/expire
>     -or-                      mv expire util/
>     -or-                      mv expire util/expire
> 
>      all return: 'expire and util/expire are the same file'..eh?
>      there is no util/expire..so what's it seeing/comparing? 
> 
>      I can cp or mv any other flat file or library ( .a ) I've
>      created to util..just not any of the executables.
> 
>      cygwin seems to think the current path and the
>      current path/util are the same as though I were 
>      attempting: cp expire ./expire
>      ( in which case I would expect the error:
>          expire and expire are the same file ).
> 
>      I can go to a dos window and:
> 
>        copy dcheck.exe util
> -or- copy dcheck.exe util\
> -or- copy dcheck.exe util\dcheck 

I verified the problem on W98 too.
It also occurs with hardlink (ln) but not with symbolic link (ln -s)
presumably because `ln -s' does not check file existence.

A very easy solution (workaround ?) is to use the file name with the
.exe extension (checked\).

e.g. In your case: cp expire.exe util/   -or-   mv expire.exe util)

Ehud.


-- 
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