From owner-freebsd-hackers@FreeBSD.ORG  Wed Aug  2 02:48:18 2006
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Subject: Sparsifying
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Garance A Drosehn wrote:

> I *thought* what this thread was asking was for someone
> to add some new option to `cp', where that new option

It's a thread about several options to cp.

> 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".

Are you referring to the inablity to distinguish files with intentional 
NUL bytes and sparse files? Because of that, "copy sparse files as 
sparse files" and "sparsify files" are the same operation.