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Differencing Excel files with style

TMS Software Blog – If there is one thing I do a lot is playing "find the differences" with xls and xlsx files. I do it when reverse engineering a feature: If I want to find some undocumented byte that changes some feature, I save the file in Excel with and without the feature, open both files and find what changed. I do it when testing: We have a really huge set of "reference files" that our test suite must create in order to verify FlexCel is working correctly. If some code change makes a file different from the reference file, I need to find the differences to know if we introduced a bug, or if it is ok and ...
Favorite? Off-Topic? 2011-05-20 14:00

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