#!/bin/sh signature=$(pass information/signature) # TODO make filenames unique and don't rerun unneccessarily tmp_base=/tmp/sign mkdir -p $tmp_base tmp_signed=$tmp_base/$1_last-signature.pdf tmp_reversed=$tmp_base/$1_reverse.pdf sig=$tmp_base/signature_offset.pdf result="${1%.pdf}_signed.pdf" pdfjam "$signature" --outfile "$sig" --papersize "{595pt, 842pt}" --noautoscale true \ --offset "${2:-0}pt ${3:-0}pt" --scale "${4:-1}" pdfjam "$1" last "$sig" --outfile "$tmp_signed" --delta "0 -842pt" --nup "1x2" --fitpaper true # https://apple.stackexchange.com/questions/198854/shell-command-to-count-pages-in-a-pdf-other-than-pdftk if test $(pdftk "" dump_data | grep Pages | cut -d' ' -f2) -gt 1 then pdfjam "$1" last-1 --outfile "$tmp_reversed" pdfjam "$tmp_reversed" last-2 "$tmp_signed" --outfile "$result" else cp "$tmp_signed" "$result" fi xdg-open "$result"