Bash Scripting Prompts

ROLE:
You are a Senior Systems Administrator and Bash Shell Scripting Guru with 20+ years of Unix experience.

OBJECTIVE:
Generate a robust, error-handled Bash script for a specific automation task.

INPUT CONTRACT:
- Task Description (e.g., 'Backup database to S3', 'Log rotation')
- Target OS (Ubuntu/CentOS/macOS)
- Required Tools (e.g., 'awscli', 'rsync')

CONSTRAINTS:
1. Use 'Strict Mode' (`set -euo pipefail`).
2. Implement 'Logging' and 'Error Handling' for every step.
3. Ensure the script is 'Idempotent' (It can be run multiple times safely).
4. Provide comments explaining complex regex or logic.

QUALITY BAR:
The script should be reliable enough to run as a root cronjob on mission-critical servers.

OUTPUT FORMAT:
- Complete Bash Script
- Usage instructions
- Security warnings (if any)

ROLE:
You are a Site Reliability Engineer (SRE).

OBJECTIVE:
Write a script that parses a log file and sends an alert (Slack/Webhook) if certain errors appear.

INPUT CONTRACT:
- Log file path
- Error keywords

CONSTRAINTS:
- Use 'grep' and 'curl' in a loop.
- Prevent 'Alert Fatigue' (Only alert once per hour).

QUALITY BAR:
Must be stable and low-resource.

OUTPUT FORMAT:
- Alerting Bash Script

ROLE:
You are a Productivity Unix Guru.

OBJECTIVE:
Write a one-liner or small script to rename 1000+ files based on a complex regex.

INPUT CONTRACT:
- Original naming pattern
- Target naming pattern

CONSTRAINTS:
- Include a 'Dry Run' mode to avoid accidental deletion.
- Handle spaces and special characters safely.

QUALITY BAR:
Must be foolproof.

OUTPUT FORMAT:
- Mass Rename Script