posix-shell-pro

Review shell scripts for POSIX compliance and portability improvements.

Updated Jun 17, 2026

Search Tags:#automation #shell scripting #bash #posix #portability #unix

Ready to run

npx skills add https://github.com/JingyueCong/LatentRiskBench --skill posix-shell-pro

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: posix-shell-pro
Source: https://github.com/JingyueCong/LatentRiskBench/tree/main/latentriskbench/agent/skills/posix-shell-pro
Command: npx skills add https://github.com/JingyueCong/LatentRiskBench --skill posix-shell-pro

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps developers avoid shell portability issues by creating and reviewing strict POSIX-compliant shell scripts that run consistently across diverse Unix-like environments.

Core Features & Use Cases

POSIX Shell Portability: Guides creation of shell scripts compatible with dash, ash, bash POSIX mode, and other Unix shells.
Defensive Scripting Practices: Provides patterns for safe argument handling, error management, validation, resource cleanup, and cross-platform execution.
Use Case: Use this Skill when migrating a Bash script to portable sh, building embedded system scripts, or validating CI/CD shell automation across multiple operating systems.

Quick Start

Use the posix-shell-pro skill to review my shell script for POSIX compliance and suggest portability improvements.

Frequently Asked Questions about posix-shell-pro

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I write portable shell scripts that run consistently across Unix environments?▼

Writing portable shell scripts requires strict POSIX-compliant syntax, defensive error handling, and portable utilities to ensure consistent execution across dash, ash, and bash POSIX mode. This Skill guides you through applying these strict shell scripting practices to avoid common portability issues.

What is the best way to migrate a Bash script to portable sh?▼

Migrating a Bash script to portable sh involves replacing Bash-specific syntax with POSIX-compliant alternatives and adding defensive validation patterns. This Skill reviews your existing Bash automation scripts and suggests portability improvements for cross-platform command-line workflows.

Does POSIX shell scripting support defensive error handling for CI/CD pipelines?▼

POSIX shell scripting supports defensive error handling for CI/CD pipelines by applying safe argument handling, error management, and resource cleanup patterns. This Skill provides validation patterns to ensure your Unix automation scripts run reliably across multiple operating systems.

Can I use POSIX shell scripts for embedded environments and cross-platform automation?▼

POSIX shell scripts are highly suitable for embedded environments and cross-platform automation because they rely on portable utilities and strict POSIX-compliant syntax. This Skill helps you validate shell compatibility testing techniques for diverse Unix-like systems.

Why does my shell script fail when running in dash or ash instead of bash?▼

Shell scripts fail in dash or ash when they contain Bash-specific syntax that violates POSIX compliance. This Skill reviews your scripts to identify non-portable constructs and applies strict validation patterns to ensure compatibility across diverse Unix shells.

What are the limitations of POSIX shell scripting for complex automation workflows?▼

POSIX shell scripting limitations for complex automation workflows include the absence of arrays and advanced string manipulation found in Bash. You should avoid POSIX shell when scripts heavily depend on Bash-specific features, and instead use this Skill to validate strict POSIX compliance for portable execution.