ShellCheck is a GPLv3 tool that gives warnings and suggestions for bash/sh shell scripts.
The goals of ShellCheck are
The easiest way to install ShellCheck locally is through your package manager.
On systems with Cabal (installs to ~/.cabal/bin):
On Debian based distros:
The goals of ShellCheck are
- To point out and clarify typical beginner’s syntax issues that cause a shell to give cryptic error messages.
- To point out and clarify typical intermediate level semantic problems that cause 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.
The easiest way to install ShellCheck locally is through your package manager.
On systems with Cabal (installs to ~/.cabal/bin):
cabal install ShellCheck
On Debian based distros:
On Arch Linux based distros:
On Gentoo based distros:
On EPEL based distros:
On Fedora based distros:
On OS X with homebrew:
On OS X with MacPorts:
On openSUSE:Tumbleweed:
