At 7:17 PM -0500 8/1/06, Rick C. Petty wrote:
On Tue, Aug 01, 2006 at 08:09:08PM -0400, Garance A Drosehn wrote:
I had understood this option as a request to "copy all the
existing holes", which is not the same thing. I.e., I
thought we wanted `cp' to create the new file such that it
would take up exactly the same number of disk blocks, and
have the same number of holes (in exactly the same places)
as the original file.
Which it currently doesn't, without any sparse option.
Yes, but we know it doesn't, and we don't expect it to.
I *thought* what this thread was asking was for someone
to add some new option to `cp', where that new option
would do the above. But I was wrong with that, and
apparently people would be happy with a new option which
says "sparse-ify the file".
> I agree that "sparse-ify" should be easy to implement, and
could be useful. I'm not fond of the idea, but I can see
how people might want it. I do would not like it, because
the user will have to know whether it is appropriate to use
on a file-by-file basis. You can't just 'cp -rp' an entire
directory, and feel confident that the "Right Thing(TM)"
will happen for each file that is being copied. So, if I
am copying directories, I'll still have to resort to some
other tool to get the job done "Right(TM)".
I don't see why not.
I don't care if you don't see it. I am just stating
my personal opinion, and apparently I am not even
doing a good job at that. I will stop now.
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