Individual skill
shell-pro
Professional shell scripting: safe Bash patterns, quoting, error handling, and maintainable CLI tools. Use when writing or reviewing shell scripts.
skills/shell-pro/SKILL.md
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# Shell Pro
## Overview
Shell scripts are **the glue of operations** — and the source of legendary 3am failures when
written casually. Professional shell scripting means defensive defaults (`set -euo pipefail`),
obsessive quoting, explicit error handling, and knowing when the script has outgrown shell
(rewrite in Python/Go at ~200 lines or when you need real data structures).
The through-line: assume every command can fail, every variable can be empty, and every filename
can contain spaces.
## When to use
