| 1 | #!/usr/bin/env bash |
| 2 | set -e |
| 3 | export PYTHONPYCACHEPREFIX="$(mktemp -d)" |
| 4 | python3 - <<'PY' |
| 5 | with open("contacts_clean.txt") as f: |
| 6 | lines = [line.strip() for line in f if line.strip()] |
| 7 | lowered = [line.lower() for line in lines] |
| 8 | assert len(lowered) == len(set(lowered)), "duplicates survived the cleanup" |
| 9 | assert set(lowered) == { |
| 10 | "ada@example.com", |
| 11 | "bo@example.com", |
| 12 | "cy@example.com", |
| 13 | "dee@example.com", |
| 14 | }, sorted(lowered) |
| 15 | PY |
| 16 |