The goals of ShellCheck are: {
} - To point out and clarify typical beginner's syntax issues, that causes a shell to give cryptic error messages. {
} - To point out and clarify typical intermediate level semantic problems, that causes a shell to behave strangely and counter-intuitively. {
} - To point out subtle caveats, corner cases and pitfalls, that may cause an advanced user's otherwise working script to fail under future circumstances.

WWW: https://github.com/koalaman/shellcheck
