Stabilize portable argument parser noisy edge lab
Medium Bash arena: getopts-style parsing, validation, and usage output
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Missing prerequisites: bash-easy-argument-parser-edge-lab
The initial portable argument parser solution worked on clean data, but production-like noise now exposes weak assumptions. You are working inside a shell automation repository, and the arena only clears when the result is safe, deterministic, and explainable.
Learn to apply getopts-style parsing, validation, and usage output in a shell automation repository while explaining the invariant, safety constraints, and hidden edge cases.
- Demonstrates getopts-style parsing, validation, and usage output
- Handles the visible sample and hidden edge cases
- Keeps output deterministic and explainable
- Avoids unsafe dynamic execution
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