lk/data/pdf_erasure.md

title	tags
PDF Metadata Erasure	Documentation Metadata Ghost Script

Make a text file called 'pdfmark.txt'.

[ /Title ()
/Author ()
/Subject ()
/Creator ()
/ModDate ()
/Producer ()
/Keywords ()
/CreationDate ()
/DOCINFO pdfmark

Then run:

gs -o output.pdf -sDEVICE=pdfwrite "$FILE".pdf pdfmark.txt