> On Dec 15, 2019, at 5:27 PM, Dominik Vogt <dominik.vogt@xxxxxx> wrote: > > What you normally need are not scripts compatible with every > shell, but *portable* scripts that run on any system. Your best > bet ist to put > > #!/bin/sh > (or /bin/bash for bash based systems; Linux etc.) Also, if you don’t put #!, the script is executed by “sh” — not $SHELL % cat /tmp/simple ps -p$$ (note there is no #!) % /tmp/simple PID TTY TIME CMD 24317 ttys000 0:00.01 sh /tmp/simple note it is “sh” not zsh running the script Also, zsh is only the default shell on MacOS for new users. Existing users, after an upgrade, still use the same shell as they did before (this is according to the documentation which I’ve not verified).
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