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Mon Nov 25 08:58:02 CET 2013 · https://mail.python.org/pipermail/python-dev/2013-November/130592.html

On 25 November 2013 03:18, Ben Hoyt <benhoyt at gmail.com> wrote:
> d_ino -- can a non-Windows dev tell me how or when d_ino would be
> useful? If it's useful, is it useful in a higher-level, cross-platform
> API such as scandir()?

OK, so I'm a Windows dev, but my understanding is that d_ino is useful
to tell if two files are identical - hard links to the same physical
file have the same d_ino value. I don't believe it's possible to do
this on Windows at all.

I've seen it used in tools like diff, to short-circuit doing the
actual diff if you know from a stat that the 2 files are the same.
Paul

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[Python-Dev] pathlib and issue 11406 (a directory iterator returning stat-like info)