CSV Migration Check: compare exports by stable row key

Offline Python tool for comparing two CSV exports by stable keys. Includes example data, a JSON report and regression tests.

Nov 12, 20262 min read

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Original script, synthetic fixtures and regression tests written and reviewed by Jade Data Tools.

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Python CSV comparison tool, two synthetic inputs, example report and regression tests.
Updated Nov 12, 2026 · Includes updates for existing buyers

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