#!/usr/bin/env bash
# make a printable pdf for powerpoint slides, 2 slides on each page

file=$1

# put 1x2 slides (pdf) on one page
pdfnup --nup 1x2 \
  --no-landscape \
  --delta "0.5cm 0.5cm" \
  --scale 0.9 \
  "$@" \
  --outfile "${1%%.pdf}.nup.pdf"