alt Hacker NewsMissing (probably because of the date of the article): `mv --exchange` aka renameat2+RENAME_EXCHANGE. It atomically swaps 2 file paths.
Missing (probably because of the date of the article): `mv --exchange` aka renameat2+RENAME_EXCHANGE. It atomically swaps 2 file paths.
I tried using this a while back and found it was not widely available. You need coreutils version 9.1 or later for this, many distros do not ship this.
I made https://github.com/rubenvannieuwpoort/atomic-exchange for my usecase.