compress pdf

Makefile

COMP_COMMAND = "/default"

$(COMPRESSED_OUTPUT).pdf: $(OUTPUT).pdf
	echo "Compressing pdf"
	rm -f .pdfmarks
	pdfinfo $(OUTPUT).pdf | sed -e 's/^ *//;s/ *$$//;s/ \{1,\}/ /g' -e 's/^/  \//' -e '/CreationDate/,$$d' -e 's/$$/)/' -e 's/: / (/' > .pdfmarks
	sed -i '1s/^ /[/' .pdfmarks
	sed -i '/:)\$$/d' .pdfmarks
	echo "  /DOCINFO pdfmark" >> .pdfmarks
	gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=${COMP_COMMAND} -dNOPAUSE -dQUIET -dBATCH -sOutputFile="$(COMPRESSED_OUTPUT).pdf" "${OUTPUT}.pdf" .pdfmarks
	rm .pdfmarks
	notify-send "Compressed PDF"