Re: bash scripts in Guix question

[Maxim Cournoyer]

Hi,

Olivier Dion via <help-guix@gnu.org> writes:

> On Tue, 04 Oct 2022, jordi <jordila@librebits.info> wrote:
>> Hi guixers,
>>
>> i'm wondering...for my scripts to work in Guix, instead of
>>  '#! /bin/bash' , 
>>
>
> Typically the `sh' program should be a symlinked to `bash' in your
> system profile.  I think it is the case for many distro.  If you want it
> to be bulletproof though for other distros maybe something like that:
>
> #!/bin/sh
> if [ "$(basename $SHELL)" != "bash" ]; then
>   exec bash "$0" "$@"
> fi
>
> echo "hey!"

I prefer the "#!/usr/bin/env bash" shebang; /usr/bin/env is available on
FHS distribution, and on Guix System, for convenience.  You can use if
for any interpreted script, such as Guile, Python, Perl, etc.

-- 
Thanks,
Maxim