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docs/index: update some formatting from #9482

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(cherry picked from commit e20d78431b)
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David Adam 2023-02-21 21:12:53 +08:00
parent 308e0ceb9d
commit d0f1d5e595
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doc_src/index.rst
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@ -107,11 +107,11 @@ If you want to share your script with others, you might want to use :command:`en
#!/usr/bin/env fish
echo Hello from fish $version
This will call ``env``, which then goes through :envvar:`PATH` to find a program called "fish". This makes it work, whether fish is installed in /usr/local/bin/fish or /usr/bin/fish or ~/.local/bin/fish, as long as that directory is in :envvar:`PATH`.
This will call ``env``, which then goes through :envvar:`PATH` to find a program called "fish". This makes it work, whether fish is installed in (for example) ``/usr/local/bin/fish``, ``/usr/bin/fish``, or ``~/.local/bin/fish``, as long as that directory is in :envvar:`PATH`.
The shebang line is only used when scripts are executed without specifying the interpreter. For functions inside fish or when executing a script with ``fish /path/to/script``, a shebang is not required (but it doesn't hurt!).
When executing files without an interpreter, fish, like other shells, tries your system shell, typically /bin/sh. This is needed because some scripts are shipped without a shebang line.
When executing files without an interpreter, fish, like other shells, tries your system shell, typically ``/bin/sh``. This is needed because some scripts are shipped without a shebang line.
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