I have created a knowledge base system in this knowledge base users can attach files to their articles. I have no problems with indexing text based files but, I want to be able to read other file attachments “mainly doc/xls/pdf”and add the text they contain to my database so that I can run my full text search against them. Does anyone have any ideas about how to do this?
I am running this on Windows XP using IIS and I am using PHP5
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