It's very useful to use ShellCheck to check any shell code you write.

Notes

• The proper she-bang for Bash is #!/usr/bin/env bash.

Links

• ​Parameter expansion​

• ​Defensive BASH Programming​

• ​Safe ways to do things in Bash (HN)

• ​Pure Bash Bible - Collection of pure bash alternatives to external processes. (HN)

• ​Bash Infinity - Modern boilerplate / framework / standard library for Bash.

• ​Funky - Takes shell functions to the next level by making them easier to define, more flexible, and more interactive.

• ​create-bash-script - Bash script designed to create other bash scripts with argument parsing.

• ​Bash Language Server - Bash language server implementation based on Tree Sitter and its grammar for Bash with explainshell integration.

• ​Bash Reference Manual​

• ​Bash Guide​

• ​How To Automate Basic Development Tasks with Bash​

• ​Mini Gitbook for a presentation about BASH (Code)

• ​Bash $* and $@ (2017) (HN)

• ​Understanding Bash: Elements of Programming (2018) (HN)

• ​Bash tricks - Simple bash tricks which will make your life easier. (Reddit)

• ​Anybody can write good bash (with a little effort) (2020) (Lobsters)

• ​Bash Quick References​

• ​critic.sh - Dead simple testing framework for Bash with coverage.

• ​Bash Hackers Wiki (HN)

• ​Bats - Bash Automated Testing System.

• ​HN: Renaming files with mv without typing the name two times​

• ​The first two statements of your BASH script should be.. (2020) (Lobsters)

• ​Use Bash Strict Mode (Unless You Love Debugging)​

• ​Bash code​

• ​Some Relatively Obscure Bash Tips (2020) (HN)

• ​A Bash Cheat Sheet: Top 25 most-used commands, and how to create custom commands (2020)​

• ​Bash Env Variable Defaults​

• ​Using Bash traps in your scripts (2020)​

• ​Help message for shell scripts (2020) (HN) (Lobsters)

• ​Supercharge Your Bash History (2020) (Lobsters)

• ​Import - Simple and Fast Module System for Bash and Other Unix Shells. (HN)

• ​Intelligent Bash (ibash)​

• ​Functional programming in bash (Slides)

• ​Bash Pitfalls (Lobsters)

• ​argbash - Bash argument parsing code generator. (HN)

• ​Bash Bracket Cheat Sheet​

• ​Bash Error Handling (HN)

• ​ctypes.sh - Foreign function interface for bash. (HN)

• ​DevHints Bash Cheat Sheet​

• ​sbang - Run scripts with very long shebang lines. (Lobsters)

• ​Oh My Bash - Open source, community-driven framework for managing your bash configuration.

• ​An Awful Edge Case in Bash's set -e (2020)​

• ​Variant - Turn your bash scripts into a modern, single-executable CLI app.

• ​Even faster bash startup (2020)​

• ​How To Use Bash Parameter Substitution Like A Pro (2020)​

• ​Introduction to Bash Scripting Book​

• ​Bash Snippets - Collection of small bash scripts for heavy terminal users with no dependencies.

• ​Minimal safe Bash script template (2020) (Lobsters) (HN)

• ​Bash 5.1 (HN)

• ​Batsh - Language that compiles to Bash and Windows Batch. (Code)

• ​Bash HTTP monitoring dashboard​

• ​Parallel bash - Parallel processing of commands in pure bash along with the support of functions.

• ​Learn Bash in 27 minutes​

• ​Better BASHing Through Technology (2020)​

• ​bashful - Use a yaml file to stitch together commands and bash snippets and run them with a bit of style.

• ​bash_unit - Bash unit testing.

• ​Elegant bash conditionals (2021) (Lobsters)