Bash

Use Bash to connect commands, not to replace a suitable data parser or application language.

Expert Test

For each decision, ask what the best expert in that field would choose and why they would reject your approach. If you can identify a valid reason to reject it, change the approach. Choose correctness over the cheapest way to meet the stated constraints. State every trade-off to the user. Syntax, lint, convention, and a copied example are not proof; prove behavior with the actual expansion, status, and process result.

Environment

Check these before guessing: