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Can I read an excel file without using any module?
I tried like just reading a normal file and it printed binary characters; maybe because of encoding?
But reading csv files is working normally.
Excel files are binary files, and the format of the pre-2007 ones is apparently quite hairy. I believe
.xlsxfiles are actually zipped XML, so unzipping them should yield something human-readable, but I’ve never tried it. Why do you want to not use a module though?Some further reading, if you’re interested:
http://joelonsoftware.com/items/2008/02/19.html
http://en.wikipedia.org/wiki/Office_Open_XML_file_formats