On 03/03/17 17:22, Chris Warrick wrote:
On 3 March 2017 at 18:13, Grant Edwards <grant.b.edwa...@gmail.com> wrote:
At https://docs.python.org/2/library/shutil.html it says:
shutil.move(src, dst)
Recursively move a file or directory (src) to another location
(dst).
[...]
If the destination is on the current filesystem, then os.rename()
is used. Otherwise, src is copied (using shutil.copy2()) to dst
and then removed.
What does the current filesystem have to do with anything?
Surely, what matters is whether <src> and <dst> are on the same
filesystem?
For the same reason it matters for /bin/mv. If the source and target
are on the same filesystem, the files are just renamed, which is
usually instantaneous (only file metadata needs to be changed). But if
they are on different filesystems, “move” really means “copy and
delete original”, which takes much longer.
Exactly Grant's point. The shutil.move documentation talks about the
*current* filesystem, not the filesystem on which <src> is located.
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