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shell-scripting

Write portable shell scripts with structured variables, conditionals, and error handling.

281|23|Updated Jul 29, 2025
Search Tags:#bash#scripting#shell#posix#best-practices#error-handling#portable
One-click install
npx skills add https://github.com/mylee04/code-notify --skill shell-scripting-mylee04
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: shell-scripting
Source: https://github.com/mylee04/code-notify/tree/main/.claude/skills/shell-scripting
Command: npx skills add https://github.com/mylee04/code-notify --skill shell-scripting-mylee04

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Writing portable and maintainable shell scripts across macOS, Linux, and Windows environments is error-prone and hard to standardize.

Core Features & Use Cases

  • OS-aware scripting with portable patterns for variables, conditionals, and function definitions.
  • Safe file operations, error handling, and defensive coding practices to prevent common shell pitfalls.
  • Guidance on command existence checks and robust input handling across platforms.

Quick Start

Follow these patterns to write a portable and robust shell script across macOS, Linux, and Windows.

Frequently Asked Questions about shell-scripting

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

FAQPage Schema
How do I write a portable shell script that works across macOS, Linux, and Windows?▼

Portable shell scripting uses OS-aware patterns for variables, conditionals, and function definitions to ensure scripts run consistently across macOS, Linux, and Windows environments without modification.

What is the best way to handle errors and prevent common shell scripting pitfalls?▼

Error handling in shell scripting requires implementing defensive coding practices, safe file operations, and robust input handling to prevent common pitfalls and ensure scripts fail gracefully.

How do I structure a bash script with headers, constants, and functions?▼

Structuring shell scripts involves writing standardized script headers, defining constants, and creating functions to establish a maintainable and organized codebase for cross-platform CLI tool development.

Does POSIX shell scripting support cross-platform CLI tool development?▼

POSIX shell scripting supports cross-platform CLI tool development by providing portable patterns for command existence checks and safe file operations that work across different operating systems.

Why does my shell script fail on different operating systems?▼

Shell scripts fail across operating systems due to non-portable variables, unsafe file operations, and missing command existence checks; using OS-aware scripting patterns resolves these cross-platform compatibility issues.

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