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Re: mv -f may remove the destination file
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From: |
Paul Eggert |
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Subject: |
Re: mv -f may remove the destination file |
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Date: |
Thu, 05 May 2005 23:45:37 -0700 |
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User-agent: |
Gnus/5.1006 (Gnus v5.10.6) Emacs/21.4 (gnu/linux) |
address@hidden (Bob Proulx) writes:
> I think the reason for the question might be for what purpose is the
> lstat() call there? It is there to tell if the destination is a
> directory and if so then it converts the rename to a rename to a
> file in the subdirectory, also as required by POSIX.
There are actually two lstat calls; one for the directory, and one for
the existing-destination check. Presumably one could be optimized
away, if someone is ambitious.