merge-jpg-and-svg-into-pdf.sh

#!/bin/sh -xefu

# https://stackoverflow.com/questions/61385594/create-pdf-where-each-page-is-a-merge-of-image-and-a-svg-file
# https://stackoverflow.com/questions/501723/overlay-one-pdf-or-ps-file-on-top-of-another
# https://superuser.com/questions/381125/how-do-i-convert-an-svg-to-a-pdf-on-linux
# http://notesofaprogrammer.blogspot.com/2017/03/converting-svg-to-pdf-on-linux-command.html

mkdir -p res/ready

for i in $(seq 1 242); do
  rsvg-convert -f pdf -o res/svg-$i.pdf $i.svg
  convert $i.jpg res/jpg-$i.pdf
  pdftk res/svg-$i.pdf background res/jpg-$i.pdf output res/ready/$i.pdf
done

pdftk $(for i in $(seq 1 242); do echo "res/ready/$i.pdf"; done) cat output result.pdf