If the command is a daemon, that's basically retrying. But if you want to check the exit code, that's easy to do inside retry(). I totally agree with your sec

If the command is a daemon, that's basically retrying. But if you want to check the exit code, that's easy to do inside retry(). I totally agree with your second paragraph, that is why I'm working on fixing shell :) http://www.oilshell.org/blog/ http://www.oilshell.org/blog/ This entry in particular is relevant to your concerns: http://www.oilshell.org/blog/2016/11/06.html http://www.oilshell.org/blog/2016/11/06.html