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bug#8636: closed (Re: bug#8636: cp -x flag does not work)
From: |
Jim Meyering |
Subject: |
bug#8636: closed (Re: bug#8636: cp -x flag does not work) |
Date: |
Thu, 15 Sep 2011 18:18:48 +0200 |
address@hidden wrote:
> I would ask you again to reconsider your view on this issue because it is
> irrational.
>
> you are claiming functionality that you do not provide (stay on one file
> system during a potentially recursive copy ) while allowing recursion into
> other file systems if they are mounted beneath the directory you are
> copying.
>
> why you think that this constitutes staying on one filesystem eludes me.
>
> find does this correctly ( -xdev or -mount switches) and coreutil's cp and
> mv can and should too.
>
> thanks for all the great work on coreutils and other of your work. if i had
> programming skills, i would fix this myself and provide a patch, but i
> don't.
You used this command:
cp -xvdpR /* /newdirectory
That tells cp explicitly to copy every top-level directory under /.
i.e., for each directory one level under /, cp copies it to
newdirectory, but without traversing into a directory residing
on a device different than the command-line-specified directory.
That is how cp -x is documented to work.
To get the behavior you want, run this command:
cp -xvdpR / /newdirectory
(note there's no "*" here, as you surmised in
http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8636#11
your use of the "*" wildcard is what caused problems)
I hope you see that there is nothing to reconsider
and that cp -x can do precisely what you want.