shell-check

name	shell-check
description	Run shellcheck to lint shell scripts for common issues and best practices

Shell Check

Use shellcheck to analyze shell scripts for syntax errors, semantic problems, and style issues.

Usage

To check a single script:

shellcheck script.sh

To check all shell scripts in the current directory:

shellcheck *.sh

To check scripts recursively:

find . -name '*.sh' -exec shellcheck {} +

Common Options

• -e CODE — exclude a specific warning (e.g. shellcheck -e SC2086 script.sh)
• -s SHELL — specify the shell dialect (bash, sh, dash, ksh)
• -f FORMAT — output format (tty, json, gcc, diff)