Problem with system commands: cp and mv
Sat Jun 9 21:57:00 GMT 2001
On Sat, Jun 09, 2001 at 03:54:21PM +0300, Ehud Karni wrote:
>On Fri, 8 Jun 2001 16:54:01 -0700, Kerry Sanger <firstname.lastname@example.org> 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\).
That's not only the easy solution, it is the correct one. Also use UNIX
paths, not MS-DOS paths. cp doesn't necessarily know that util\dcheck
refers to a directory.
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