The Hard Part of Grading a Terminal Command: Why String Matching Doesn't Work
1. The problem: I wanted to auto-grade a terminal task 2. First attempt: compare the typed command to an expected command as a string — why it broke (infinite commands do the same job) 3. Second attempt: parse the output with regex — why it broke (different commands, equally valid output) 4. The fix: check simulated filesystem/process state at the end of the task instead 5. How I built this in JS…
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