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Shellcheck

Use this skill when the user wants to lint shell scripts, check bash/sh scripts for errors, find bugs in shell code, or improve script quality.

javimosch 9572c1a 1001 B Updated
Coding & Dev Tools

File contents

shellcheck Plugin

Static analysis tool for shell scripts (bash/sh).

Commands

Check

  • shellcheck check run — Lint a shell script
  • shellcheck check json — Lint script and output JSON

Usage Examples

  • "Check this shell script for errors"
  • "Lint my bash script"
  • "Find bugs in deploy.sh"
  • "Check script and output as JSON"

Installation

brew install shellcheck

Examples

# Basic check
shellcheck myscript.sh

# JSON output
shellcheck --format json myscript.sh

# Set minimum severity
shellcheck --severity=warning myscript.sh

# Check multiple files
shellcheck *.sh

# Source files
shellcheck --source-path=SRC myscript.sh

Key Features

  • 300+ built-in checks
  • JSON, CheckStyle, GCC output formats
  • CI integration
  • Editor integrations (VSCode, Vim, Emacs)

javimosch/supercli/tree/main/plugins/shellcheck/skills/quickstart commit 9572c1a506

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Frequently asked questions

npx skillmds@latest add javimosch/shellcheck