Two-a4-on-one-a3.sh

pdftk partylines-publication-2022\ in\ octomode.pdf cat 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 output partylines-publication-double-pages.pdf
pdfjam --nup 2x1 --paper a3paper --landscape partylines-publication-double-pages.pdf

This small script does two things: it multiplies each page of a PDF by two, and it places two A4 pages on an A3 side-by-side. It uses two PDF manipulation tools: pdftk and pdfjam. The script was written to generate the print files for the publication ongoing circulations.