Re: cp -a

[Remco Blaakmeer <remco@blaakmeer.student.utwente.nl>]

On Sat, 24 Jan 1998, Jason Gunthorpe wrote:

> 
> On Sun, 25 Jan 1998, Remco Blaakmeer wrote:
> 
> > > cd /
> > > mount /dev/somedisk /mnt
> > > cp -a * /mnt
> > > 
> > > See the mess? ( /mnt/mnt/mnt/... )
> > 
> > You could add the -x switch. This skips subdirectories that are not on the
> > same filesystem as the directories you are copying.
> > 
> > cp -ax / /mnt
> 
> Trouble is that cp -ax will not copy /dev it treats them as normal files,
> it might also have problems with fifos and sockets..
> 
> tar -cl / | tar -x /mnt
> 
> Doesn't have these problems though

I disagree.

# cp -ax /dev /tmp
# cd /tmp/dev
# ls -l hda log ttyS0 xconsole
brw-rw----   1 root     disk       3,   0 Aug  4 20:36 hda
srw-rw-rw-   1 root     root            0 Jan 24 16:43 log
crw-rw----   1 root     dialout    4,  64 Jan 25 02:54 ttyS0
prw-r--r--   1 root     root            0 Jan 25 02:54 xconsole
#

Seems fine to me.

Remco


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