Faster for any command that operates on dir trees such as diff, du, rm, tar.
When I first looked at plan9, I was a bit surprised its open *didn’t* work
this way! May be because of this earlier thread on comp.unix.wizards
(which has nothing to do with plan9 but people explored some researchy ideas)
On Apr 6, 2024, at 10:37 AM, ron minnich <rminnich@gmail.com> wrote:
openat gives you the effect of 'cd path; open file' without having to cd. I don't see a lot of benefit to it unless you're opening a lot of files at that path.