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Universal Numeric Fingerprint (UNF) generator. For strings, it splits into words and sorts them alphabetically to provide order-invariant fingerprints. Supports dataframes and files too.
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| name | unf |
| description | Universal Numeric Fingerprint (UNF) generator. For strings, it splits into words and sorts them alphabetically to provide order-invariant fingerprints. Supports dataframes and files too. |
The UNF (Universal Numeric Fingerprint) skill provides a robust mechanism for generating consistent data identifiers. Unlike traditional file hashes (like MD5 or SHA-256), a UNF is format-agnostic—meaning the same data values will produce the same hash regardless of whether they are stored in CSV, Parquet, SAS, or Stata.
unf_hash.py: CLI tool to compute a UNF for a string or file.dartfx-unf: High-performance Python implementation using the Polars engine.python3 .gemini/skills/unf/scripts/unf_hash.py "Data for fingerprinting"
python3 .gemini/skills/unf/scripts/unf_hash.py data/dataset.csv
python3 .gemini/skills/unf/scripts/unf_hash.py --json data/dataset.parquet