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Bash

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2022-04-25

What is it​

Bash is a Unix shell and command language.

When to use it​

Use Bash for simple scripting use cases, such as build scripts to complement Makefiles.

How to use it​

Style guide​

Follow Google's Shell Style Guide.

Formatting​

Format with shfmt using the default settings.

Linting​

Lint with shellcheck using the default settings.

Additional conventions​

Use /usr/bin/env​

Prefer /usr/bin/env bash over /bin/bash as the shell. This works more consistently on e.g. NixOS.

How to learn it​

See the Awesome Bash collection of resources for online books and interactive tutorials.