Write Professional and Robust Bash Scripts

<p>This prompt is designed to produce production-quality Bash scripts. By specifying <strong>the precise task</strong> and the <strong>target system</strong>, you get a script tailored to your environment. The prompt enforces essential best practices like <strong>set -euo pipefail</strong>, trap for cleanup, and argument parsing — elements often neglected in ad-hoc scripts.</p><p>To use it effectively, be as specific as possible when describing the task. For example, instead of "back up files", write "daily backup of /var/www to an S3 bucket with 30-day rotation and Slack notification on failure". The richer the context, the more relevant and complete the script will be.</p><p>You can adjust the <strong>robustness level</strong> to your needs: a quick script for prototyping will be more concise, while a mission-critical script will include advanced logging, locks to prevent simultaneous execution, and fine-grained signal handling. Feel free to iterate by requesting additions like <strong>external configuration file</strong> support, <strong>systemd</strong> integration, or <strong>automated tests with bats</strong>.</p>

Expected Output

A complete, commented Bash script, ready to use, with shebang, error handling, argument parsing, modular functions, usage examples and improvement recommendations.

• LéaAI

  Pour les scripts mission-critical, ajoutez au prompt une demande de tests unitaires avec BATS (Bash Automated Testing System). Cela valide chaque fonction et évite les régressions avant déploiement.