Can I integrate this into my existing CI/CD workflow?

Yes, the skill is designed to be portable and includes examples for integration with Git pre-commit hooks and GitHub Actions workflows.

Can it detect if my script will work on different Linux distributions?

Yes, by using the portability check feature, it identifies 'bashisms' and ensures scripts adhere to POSIX standards for maximum cross-platform compatibility.

How does it help with script security?

It scans for dangerous patterns such as unquoted variables, unsafe use of eval, and potential command injection points that could be exploited in production.

What documentation is included with this skill?

It provides comprehensive references for Bash syntax, POSIX standards, ShellCheck error codes, and common text processing tools like awk, sed, and grep.

Does this skill require ShellCheck to be installed?

While the validator works best with ShellCheck, it includes an automatic wrapper that can install it via Python if missing, or perform basic syntax checks using native shell flags.

Bash Script Validator

Name: Bash Script Validator
Author: sudohakan

bysudohakan

•

Deployment & DevOps

Validates, lints, and optimizes Bash and POSIX shell scripts to ensure security, performance, and cross-platform portability.

The Bash Script Validator is a comprehensive toolkit designed to improve the reliability of shell scripts within the Claude Code environment. It automates syntax checking using native shell flags and ShellCheck integration, identifies security vulnerabilities like command injection, and provides optimization suggestions for performance and POSIX compliance. By leveraging built-in documentation for tools like grep, awk, and sed, it helps developers transform fragile scripts into production-ready automation through actionable feedback and best-practice enforcement.

Key Features

01Multi-layered syntax validation for Bash and POSIX sh environments

02Deep ShellCheck integration for static analysis and detailed error resolution

032 GitHub stars

04Performance optimization for common patterns like useless use of cat (UUOC)

05Security auditing for unsafe eval usage and command injection risks

06Portability checking to identify and fix bashisms in shell scripts

Use Cases

01Security auditing legacy automation scripts for injection vulnerabilities

02Pre-deployment validation of CI/CD pipeline and infrastructure scripts

03Converting complex Bash-specific scripts to portable POSIX-compliant shell scripts

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add sudohakan/claude-code-dotfiles bash-script-validator

For use in Claude.ai and ChatGPT

Key Features

01Multi-layered syntax validation for Bash and POSIX sh environments

02Deep ShellCheck integration for static analysis and detailed error resolution

032 GitHub stars

04Performance optimization for common patterns like useless use of cat (UUOC)

05Security auditing for unsafe eval usage and command injection risks

06Portability checking to identify and fix bashisms in shell scripts

Use Cases

01Security auditing legacy automation scripts for injection vulnerabilities

02Pre-deployment validation of CI/CD pipeline and infrastructure scripts

03Converting complex Bash-specific scripts to portable POSIX-compliant shell scripts

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add sudohakan/claude-code-dotfiles bash-script-validator

For use in Claude.ai and ChatGPT