File Content Extraction 26.3
Filter SDK C Programming Guide

# filter_tutorial

The `filter_tutorial` sample program demonstrates how to use the File Extraction, Filter, and Metadata APIs together to get content from a file. Given an input file, it extracts text, optionally gets format information, extracts metadata, and extracts subfiles. It recursively processes each subfile that it extracts. It also provides options to use the APIs in file mode or stream mode.

- `configuration.h`—contains macros that you must set before you build `filter_tutorial`.

- `filter_tutorial.c`—contains the functions that directly interact with the Filter SDK. The top level function is `filterTutorial()`.

- `main.c`—contains the `main` function, which calls `filterTutorial()`.

A `filter_tutorial.exe` is included in the File Content Extraction installation. You must run `filter_tutorial.exe` in the `bin` directory.

To get usage information and a list of options, run `filter_tutorial` without arguments.

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Version 26.3 | Last updated July 2026

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Product: File Content Extraction 26.3

Topic Title: filter_tutorial