pdfannotextractor --version (return code: 0)
PDFAnnotExtractor 2012/04/18 v0.1l
pdfannotextractor -H (return code: 2)
PDFAnnotExtractor 0.1l, 2012/04/18 - Copyright (c) 2008, 2011, 2012 by Heiko Oberdiek.
Syntax: pdfannotextractor [options] <PDF files[.pdf]>
Options:
--help print usage
--version print version number
--install try installing PDFBox library
--debug debug informations