← Shell Scripting (Bash) learning pathShell Scripting (Bash) · Module 10 of 10
Best practices and real scripts
Write safe, readable scripts used in DevOps.
📖 Key ideas
- Use set -euo pipefail for safer scripts.
- Quote variables and check inputs.
- Use shellcheck to find bugs.
- Add usage messages and comments.
- Real uses: deployment scripts, log cleanup, server health checks, CI steps.
💡 Real-life example: Good scripts are like good recipes: clear steps, safe handling and notes for the next cook.
shellcheckLinter for shell scripts
Usage messageHelp text for a script
IdempotentSafe to run many times
trapRuns cleanup on exit or signals