ShellCheck: Shell script analysis tool

[ gpl, library, program, static-analysis ] [ Propose Tags ]

The goals of ShellCheck are:


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Versions 0.3.0, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.3.5, 0.3.6, 0.3.7, 0.3.8, 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.4.5, 0.4.6, 0.4.7, 0.5.0 (info)
Dependencies base (==4.*), containers, directory, json, mtl, parsec, QuickCheck (>=2.7.4), regex-compat, ShellCheck, transformers [details]
License AGPL-3.0-only
Author Vidar Holen
Maintainer vidar@vidarholen.net
Category Static Analysis
Home page http://www.shellcheck.net/
Bug tracker https://github.com/koalaman/shellcheck/issues
Source repo head: git clone git://github.com/koalaman/shellcheck.git
Uploaded by vidarhol at Sat Mar 28 20:07:47 UTC 2015
Distributions Arch:0.5.0, Debian:0.5.0, Fedora:0.5.0, FreeBSD:0.3.8, LTSHaskell:0.5.0, NixOS:0.5.0, openSUSE:0.5.0
Executables shellcheck
Downloads 23880 total (255 in the last 30 days)
Rating 2.0 (votes: 1) [estimated by rule of succession]
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Status Docs available [build log]
Last success reported on 2015-03-28 [all 1 reports]
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Readme for ShellCheck-0.3.6

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ShellCheck - A shell script static analysis tool

http://www.shellcheck.net

Copyright 2012-2015, Vidar 'koala_man' Holen Licensed under the GNU Affero General Public License, v3

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.

ShellCheck is written in Haskell, and requires 2 GB of memory to compile.

Installing

On systems with Cabal:

cabal update
cabal install shellcheck

On Debian based distros:

apt-get install shellcheck

On OS X with homebrew:

brew install shellcheck

ShellCheck is also available as an online service:

http://www.shellcheck.net

Building with Cabal

This sections describes how to build ShellCheck from a source directory.

First, make sure cabal is installed. On Debian based distros:

apt-get install cabal-install

On Fedora:

yum install cabal-install

On Mac OS X with homebrew (http://brew.sh/):

brew install cabal-install

On Mac OS X with MacPorts (http://www.macports.org/):

port install hs-cabal-install

Let cabal update itself, in case your distro version is outdated:

$ cabal update
$ cabal install cabal-install

With cabal installed, cd to the ShellCheck source directory and:

$ cabal install

This will install ShellCheck to your ~/.cabal/bin directory.

Add the directory to your PATH (for bash, add this to your ~/.bashrc file):

export PATH=$HOME/.cabal/bin:$PATH

Verify that your PATH is set up correctly:

$ which shellcheck
~/.cabal/bin/shellcheck

Running tests

To run the unit test suite:

cabal configure --enable-tests
cabal build
cabal test

Happy ShellChecking!