this post was submitted on 15 Nov 2023
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Just don't call it with
#!/bin/sh. Because that's POSIX shell, not bash.but effectively it's bash, I think
/bin/shis a symlink to bash on every system I know of...Edit: I feel corrected, thanks for the information, all the systems I used, had a symlink to bash. Also it was not intended to recommend using bash functionality when having a shebang
!#/bin/sh. As someone other pointed out, recommendation would be#!/usr/bin/env bash, or!#/bin/shif you know that you're not using bash specific functionality.It is a symlink, but bash will automatically enable posix compliance mode if you use it. So any bash specific features will bomb out unless you explicitly reset it in the script.