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https://github.com/anordal/shellharden/blob/master/how_to_do_things_safely_in_bash.md#how-to-use-errexit https://github.com/anordal/shellharden/blob/master/how_

• mananaysiempre 2mo ago
  TL;DR: The old-school empty branch preserves $?, while logical negation doesn’t. Sure I guess, but this is not always relevant.
• tzot 2mo ago
  Do you have a real-world example where we would like to preserve `$?` after the `if` (which `if` specifically branches on the result code of the command it tests)? Where we want to use the actual return code that the `if` did not handle itself. I am asking because I have never needed preserving the `$?` outside of an `if`, nor have I ever seen this in somebody else's scripts, and I'm curious.