Can I use this for simple POSIX sh scripts?

While optimized for Bash, the skill includes specific guidance for POSIX-compliant scripts, including which features (like pipefail) should be omitted for maximum portability.

Does it help with command-line argument parsing?

Yes, it includes boilerplate and logic for portable argument parsing using getopts, as well as templates for handling required positional arguments and data validation.

What testing framework is recommended for these patterns?

The skill provides patterns and integration guidance for bats-core, which is the standard testing framework for Bash scripts.

How does this skill improve script security?

It enforces the use of safety flags to catch unset variables, requires double-quoting to prevent word splitting, and implements mktemp for secure temporary file creation.

Does it support cross-platform development?

Yes, it includes specific patterns to handle common differences between BSD (macOS) and GNU (Linux) versions of utilities like sed, date, and stat.

Robust Bash Development Patterns

Name: Robust Bash Development Patterns
Author: flatrick

byflatrick

0•

Herramientas para Desarrolladores

Implements safe, portable, and idiomatic Bash scripting patterns including error handling, security hardening, and cross-platform compatibility.

This skill provides a comprehensive framework for building production-grade shell scripts by enforcing best practices such as strict error handling, safe temporary file management, and robust argument parsing. It helps developers transition from fragile, one-off scripts to maintainable automation tools by providing standardized templates for logging, command validation, and cross-platform portability between macOS and Linux environments. Whether you are writing CI/CD pipelines or local CLI utilities, these patterns ensure your scripts are resilient, secure, and easy to test.

Características Principales

010 GitHub stars

02Cross-platform compatibility logic for BSD (macOS) and GNU (Linux) utilities

03Secure temporary resource management with automatic cleanup traps

04Portable argument parsing templates using getopts and long-flag handling

05Comprehensive testing patterns integrated with the bats-core framework

06Standardized safety headers with strict error handling (set -euo pipefail)

Casos de Uso

01Developing cross-platform CLI tools that function consistently across different operating systems

02Refactoring legacy shell scripts to improve security, readability, and maintainability

03Building production-ready CI/CD automation and infrastructure-as-code deployment scripts

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add flatrick/mdt bash-patterns

For use in Claude.ai and ChatGPT