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Overview
I ran into this when i tried running it in a non-POSIX shell. Nothing happened. Bash, when asked to run a script without a shebang will interpret it itself, while other shells behave differently (and I think this even depends on the OS – BSD (like macOS) & Linux handle
execvp
differently).This adds a shebang and some “strict” settings.
Test coverage
I only tested this by hand.