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Re: Problem selecting options for cp command

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On Mon, Sep 05, 2016 at 08:43:44AM -0400, Patrick Wiseman wrote:
> On Mon, Sep 5, 2016 at 8:29 AM, Richard Owlett <rowlett@cloud85.net> wrote:
> 
> > I attempted to copy contents of one partition to another using
> >    cp -R /media/richard/myrepo /media/richard/test
> >
> > /media/richard/myrepo is a hard disk partition
> > /media/richard/test   is a USB flash drive
> >
> 
> I think what you want is the magic tar command:
> 
> $tar cf - [files] | (cd /[dir]; tar xf - )
> 
> It's wise, just to make sure it's going to do what you expect, to do
> 
> $tar cf - [files] | (cd /[dir]; tar tvf - )
> 
> first!

While basically correct, this is antiquated.

It stems from the good ol'days "cp" had no -a option. With the
ubiquity of the Gnu tools (thanks, Gnu!), you have cp -a, which
is what you really want. Or rsync (especially if you expect having
to stop the copy operation mid-way and restart it, or if you have
an old version of the copy to start of, as in backups).

When copying across machine boundaries, use rsync. Much nicer.
As in "by orders of magnitude much nicer".

Regards
- -- t
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Problem selecting options for cp command Richard Owlett <rowlett@cloud85.net> - 2016-09-05 14:40 +0200
  Re: Problem selecting options for cp command Patrick Wiseman <pwiseman@gmail.com> - 2016-09-05 14:50 +0200
    Re: Problem selecting options for cp command <tomas@tuxteam.de> - 2016-09-05 15:00 +0200
  Re: Problem selecting options for cp command Mark Fletcher <mark27q1@gmail.com> - 2016-09-05 14:50 +0200
    Re: Problem selecting options for cp command Richard Owlett <rowlett@cloud85.net> - 2016-09-05 16:30 +0200
      Re: Problem selecting options for cp command Lars Noodén <lars.nooden@gmail.com> - 2016-09-05 16:30 +0200
  Re: Problem selecting options for cp command <tomas@tuxteam.de> - 2016-09-05 15:00 +0200
  Re: Problem selecting options for cp command Dan Purgert <dan@djph.net> - 2016-09-05 15:00 +0200
  Re: Problem selecting options for cp command Henrique de Moraes Holschuh <hmh@debian.org> - 2016-09-05 15:00 +0200
    Re: Problem selecting options for cp command <tomas@tuxteam.de> - 2016-09-05 15:10 +0200
    Re: Problem selecting options for cp command Richard Owlett <rowlett@cloud85.net> - 2016-09-05 15:30 +0200
      Re: Problem selecting options for cp command Jonathan Dowland <jmtd@debian.org> - 2016-09-05 15:40 +0200
  Re: Problem selecting options for cp command "Thomas Schmitt" <scdbackup@gmx.net> - 2016-09-05 15:10 +0200

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