I am trying to utilize Splunk to implement entity extraction or text mining. I have huge number of PDF, TIFF, and HTML files which I need to upload to Splunk from which I would need to parse and extract useful text information. Then retrieve specific parts of the information from those files.
Does Splunk have OCR (Optical Character Recognition) capability? How do I upload these files into Splunk and extract desired tags or text from the file?
Apparently just text/char ... on the following 2015 thread they said "ASCII", but that's obviously an archaic reference to some old-school last century version of UTF-8 that only old fogies like me (and the forgettless Internet) have heard of...
There are some useful suggestions and opinions there, well worth reviewing.
Best you could do with PDF and TIFF is store them in binary format in Splunk. Not OCR by any means but you can use regular expression to parse out data from the HTML files which are most likely in ANSI or UTF.