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Date: Wed, 20 Apr 2011 20:06:11 +0000
From: <jyoung79@kc.rr.com>
To: python-list@python.org
Subject: RE: renaming files in OS X
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:3747

> In article <280CB56A-89B8-4D62-9374-D769B3ACFEBB at semanchuk.com>,
>  Philip Semanchuk <philip at semanchuk.com> wrote:
> > On Apr 20, 2011, at 10:02 AM, <jyoung79 at kc.rr.com> <jyoung79 at kc.r=
r.com>=20
> > wrote:
> > > I'm considering using os.rename or shutil for renaming=20
> > > files on OS X (Snow Leopard)=E2=80=A6

> os.rename() is a simple wrapper around the standard rename system call=20
> (man 2 rename) so it has the same semantics.  Extended attributes,=20
> including resource forks, are preserved by rename(2).  Note that the=20
> system call only works for renames within one file system.  The mv(1)=20
> program handles cross-system renames by copying and unlinking and the=20
> Apple-supplied version does copy extended attribute metadata in that=20
> case.  As documented, none of the shutil copy functions do that.

> > The OS X command xattr  shows whether or not a file has extended attrib=
utes,=20

> The 'ls -l' command does as well:

> $ ls -l a.jpg
> -rw-r--r--@  1 nad  staff  2425268 Apr  4 16:30 a.jpg
> $ ls -l@ a.jpg
> -rw-r--r--@  1 nad  staff  2425268 Apr  4 16:30 a.jpg
>    com.apple.FinderInfo      32


Hi Ned,

Thanks so much for this detail!  I didn't even realize there was a standard
rename system call - it's always nice learning something new about this
system.

Again, thank you for taking the time to share your knowledge.  This is
exactly what I was looking for!

Jay