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bash-pro

Bash scripting guidance — safe scripting patterns, quoting, error handling, pipes, and maintainable shell code.

skills/bash-pro/SKILL.md

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## Overview

Bash is the glue of Unix systems: deployment scripts, CI steps, cron jobs, and one-liners that would take fifty lines in another language. It's also a footgun collection — unquoted variables, silent failures, and pipe errors have caused legendary outages. The difference is discipline: a few strict habits make bash scripts reliable instead of terrifying.

This skill covers the safe subset of bash: strict mode, quoting, error handling, and the patterns for writing scripts you'd trust in production — plus knowing when to reach for Python instead.

## When to use

- Writing shell scripts (deploy, backup, CI, automation).
- Debugging existing bash scripts.
- Choosing between bash and Python for a task.
- Writing safe one-liners and pipelines.
- Handling arguments, config, and logging in scripts.
- Making scripts idempotent and testable.