W dniu 2010-04-19 13:49, James Geroge pisze:
Hi Friends, Is there a way to know the file is an excel file without manipulating the file extension, as the users can send the excel files in format like below. Test Test.xls Test.xlsx Test.xlsxxlsx(by renaming the file using windows explorer) Test.xlsabcd (by renaming
You can use a mime type identifier. Nice ones are in the Aperture Framework (disclaimer: I'm Aperture's maintainer :) ) or in Apache Tika.
AFAIK Apache Tika's is better at recognizing xlsx files if the extension is missing, at least at the moment. We're working on it too.
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