KeyView 23.3

# filter_document

Filtering is the extraction of text from a document. This sample program makes use of the filter API method.

The program takes two positional arguments:

- an input file
- an output text file

By default, the ouput is encoded in UTF-8.

    $ ./filter_document input_file output.txt

CAUTION: Not all document formats can be filtered. For example, trying to filter a PNG file produces an error message. For some file formats (notably emails), Keyview treats the text as an embedded subfile that you should access by using the extraction API, not the filter API.

Copyright 2016-2023 Open Text
Version 23.3 | Last updated June 2023

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Product: IDOL KeyView 23.3

Topic Title: filter_document