Figuring Out Binary Datalog Formats Without A Specification

How to interpret binary test datalog files so that they can then be analyzed.

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Being in the realm of semiconductor data with a wide range of customers, companies often throw interesting technical challenges at us. The most complex one so far this year is probably a request (OK, a requirement!) to interpret binary test datalog files so that they can then be analysed from our yieldHUB database system. The company provided us with little information on the actual binary format. We had to interpret the binary files based on their equivalent ASCII files and our knowledge on how datalog data is usually stored.

We needed to parse the binary files directly because generating the ASCII version is a manual operation an desktop software. It could take thousands of man hours to convert their existing archive of the binary files into a format compatible with entry into our database.

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