Re: Does any one recognize this binary data storage format

geskerrett@xxxxxxxxxxx wrote: 
I am hoping someone can help me solve a bit of a puzzle.

We are working on a data file reader and extraction tool for an old
MS-DOS accounting system dating back to the mid 80's.

In the data files, the text information is stored in clearly readable
ASCII text, so I am comfortable that this file isn't EBCIDIC, however,
the some of the numbers are stored in a format that we can't seem to
recognize or unpack using the standard python tools (struct, binascii)
... or or atleast our understanding of how these tools work !


Any assistance would be appreciated.

Here are a few examples of telephone numbers;

Exmaple 1:

Phone 1: 5616864700
Hex On Disk: C0DBA8ECF441

Phone 2: 5616885403
Hex on Disk: B0E9ADECF4F1


Is this value a typo instead of ...F441?
.

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