isPDF function

Evaluates whether a file is a PDF document.

metagear package Read PDF manual

Maintainer: Marc J. Lajeunesse
License: GPL (>= 2)
Last published: 2021-02-15
http://lajeunesse.myweb.usf.edu/ https://github.com/mjlajeunesse/ https://www.youtube.com/c/LajeunesseLab/