Stop 05 · Scripting & Programming for DevOpsTopics · 5/8
Error Handling in Scripts
Part of the DevOps Roadmap
In short
Scripts should fail loudly and informatively rather than silently continuing after something goes wrong — proper exit codes, error messages, and cleanup logic prevent automation from making a bad situation worse.
How to learn this
- 1Add explicit error handling to a script: check command exit codes and fail with a clear message.
- 2Learn what exit code conventions (0 for success, non-zero for failure) scripts should follow.
- 3Practice adding a cleanup step (e.g. removing temp files) that runs even if the script fails partway.
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