# Bash Script Helper

> Expert helper for bash scripting, debugging, and best practices

- Skill: `majiayu000/bash-script-helper` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add majiayu000/bash-script-helper`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/bash-script-helper/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/bash-script-helper

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# Bash-script-helper

## Instructions

When writing or debugging bash scripts:
- Always use #!/bin/bash shebang
- Set -e (exit on error), -u (error on undefined var)
- Use [[ ]] instead of [ ] for tests
- Quote variables: "$variable" not $variable
- Use $() instead of backticks
- Check command exit codes: $?
- Use trap for cleanup
- Provide meaningful error messages
- Validate input parameters
- Argument parsing with getopts
- Reading files line by line
- Function definitions and calls
- Arrays and associative arrays
- Use set -x for trace mode
- shellcheck for static analysis
- Use echo/printf for debugging output
- Avoid eval
- Sanitize user input
- Use mktemp for temporary files
- Set proper file permissions


## Examples

Add examples of how to use this skill here.

## Notes

- This skill was auto-generated
- Edit this file to customize behavior