ShellCheck – A Tool That Shows Warnings and Suggestions for Shell Scripts

ShellCheck is a static analysis tool that shows warnings and suggestions concerning bad code in bash/sh shell scripts. It can be used in several ways: from the web by pasting your shell script in an online editor (Ace – a standalone code editor written in JavaScript) in https://www.shellcheck.net (it is always synchronized to the latest git commit, and is the simplest way to give ShellCheck a go) for instant feedback.

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