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shell-scripting

Write portable POSIX sh and Bash scripts with error handling and testing.

1|Updated Apr 8, 2026
Search Tags:#testing#bash#scripting#shell#posix#error-handling#ci-cd
One-click install
npx skills add https://github.com/masermediagroup-stack/CursorSkills --skill shell-scripting-masermediagroup-stack
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: shell-scripting
Source: https://github.com/masermediagroup-stack/CursorSkills/tree/main/skills-bundle/skills/community/ai-design-components/skills/shell-scripting
Command: npx skills add https://github.com/masermediagroup-stack/CursorSkills --skill shell-scripting-masermediagroup-stack

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires shellcheck, bats, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Shell scripting is prone to errors and hard to maintain; this Skill provides patterns and best practices to help write robust, portable scripts with proper error handling, argument parsing, and testing, reducing debugging time and operational risk.

Core Features & Use Cases

  • POSIX sh vs Bash guidance for portability and cross-environment compatibility.
  • Fail-fast patterns (set -euo pipefail), explicit error handling, and trap-based cleanup.
  • Argument parsing techniques (getopts, long options, validation) with robust usage documentation.
  • Integration with common utilities (jq, yq, awk, sed) for data processing and automation.
  • Testing and validation patterns (ShellCheck, Bats) and production-ready script templates.

Quick Start

Install and configure strict modes in your scripts (set -euo pipefail), choose a shell, add argument parsing, and wire in tests.

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 robust shell script with proper error handling?▼

Robust shell scripts require strict modes like `set -euo pipefail`, explicit error handling, and trap-based cleanup to prevent failures and reduce debugging time. This approach ensures scripts fail fast and handle errors predictably.

What is the best way to parse arguments in a Bash script?▼

Argument parsing in Bash is best handled using `getopts` or manual loop structures to validate long options. This approach ensures robust argument handling and clear usage documentation for scripts.

How do I make my shell scripts portable across POSIX sh and Bash?▼

Portable shell scripts require strict adherence to POSIX sh standards while understanding Bash extensions. This approach ensures cross-environment compatibility for system administration and CI/CD automation.

Can I test my shell scripts with ShellCheck and Bats?▼

Yes, you can validate scripts using ShellCheck for linting and Bats for testing. This combination provides static analysis and unit testing capabilities to ensure production-ready script quality.

Why does my shell script fail in CI/CD pipelines?▼

Shell scripts often fail in CI/CD pipelines due to missing strict modes, unhandled errors, or non-portable syntax. Implementing `set -euo pipefail` and trap-based cleanup prevents these operational risks.

How do I integrate jq, awk, and sed in shell scripts for data processing?▼

Data processing in shell scripts integrates utilities like `jq`, `yq`, `awk`, and `sed` for text manipulation. This approach enables robust automation workflows for system administration and development tooling.

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