Package libextractor

Simple library for keyword extraction

http://www.gnu.org/software/libextractor

libextractor is a simple library for keyword extraction. libextractor
does not support all formats but supports a simple plugging mechanism
such that you can quickly add extractors for additional formats, even
without recompiling libextractor. libextractor typically ships with a
dozen helper-libraries that can be used to obtain keywords from common
file-types.

libextractor is a part of the GNU project (http://www.gnu.org/).

General Commands (Section 1)
libextractor-extract
This manual page documents version 1.0.0 of the extract command. extract tests each file specified in the argument list in an attempt to infer meta-information...