write-script-bash

Bash scripts accept arguments using positional parameters ($1, $2, etc.) and can emit JSON to stdout for tool integration. Read your arguments, validate them, and use echo or printf to output a JSON object. This pattern enables automation workflows where downstream steps parse the JSON output.

Follow a consistent pattern: accept positional parameters for inputs, validate them early, perform your task, and emit structured JSON output to stdout. Avoid shebangs in automation contexts and make scripts executable. This approach reduces setup time and integrates cleanly with orchestration tools.

Yes, positional parameters ($1, $2, $3, etc.) are the standard way to handle arguments in Bash scripts. Validate each parameter to ensure predictable inputs, then use them in your script logic. This method works reliably across different shells and automation environments.

JSON output enables seamless integration with downstream tools and workflows—other scripts, APIs, and dashboards can parse it programmatically. Structured JSON is more reliable than plain text for automation pipelines and reduces parsing errors in dependent steps.

No, shebangs are optional in automation contexts where the shell is invoked explicitly (e.g., `bash my-script.sh`). Omitting shebangs follows best practices for deterministic execution and portability across different automation platforms.

Test each positional parameter with valid and invalid inputs to verify validation logic works. Check that your script outputs valid JSON by piping output to a JSON parser. Run scripts in the same automation environment where they'll be deployed to catch environment-specific issues early.