Package libextractor

https://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 (www.gnu.org/).

Version: 1.13

See also: libextractor-devel.