Add support for XLSX files generated by Apache POI and Numbers #107
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Fix: Incorrect Detection of certain
xlsxFiles ininfer::get()When using
infer::get(), I encountered an issue where somexlsxfiles were incorrectly detected aszipfiles. This inconsistency seemed to depend on the source of thexlsxfile.Upon reviewing the code for inferring msooxml files, I found that
xlsxfiles generated by Numbers and Apache POI have thexlbbytes in a different position compared to those from other applications. To ensure correct detection, it was necessary to skip over and check the following PK Header as well.This PR adds a check for the 5th PK Header, allowing proper detection of
xlsxfiles from these sources.