Michael Monnerie <[email protected]> wrote:
> It is no problem if B reads, A can copy without a problem, even 
> without the cp before mv.
 
B could open the file while it is being copied, and read to the
current end of file before A has finished copying.  If we used rsync
it would, by default, copy to a temporary file name in the target
directory and mv to the right name when complete, but we prefer the cp
to a temp directory and explicitly mv, because of the subsequent rsync
steps copyig out of the target directory.
 
-Kevin

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