this post was submitted on 15 Nov 2023
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[–] [email protected] 21 points 1 year ago* (last edited 1 year ago) (17 children)

Just don't call it with #!/bin/sh. Because that's POSIX shell, not bash.

[–] [email protected] 5 points 1 year ago* (last edited 1 year ago) (16 children)

but effectively it's bash, I think /bin/sh is 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/sh if you know that you're not using bash specific functionality.

[–] [email protected] 3 points 1 year ago* (last edited 1 year ago)

i thought most unix-like systems had it symlinked to a shell like dash. it's what i have on my system (void linux), of course not as an interactive shell lol

i use #!/bin/sh for posix scripts and #!/usr/bin/env bash for bash scripts. #!/bin/sh works for posix scripts since even if it's symlinked to bash, bash still supports posix features.

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