Add wide margins to a PDF for annotations

addWideMargins.bash

#!/bin/bash
if [ "$#" -ne 1 ]; then
    echo "usage: $0 PDF_filename..."
    echo
    echo "This script takes a PDF file as command line arguments,"
    echo "and generates a new, landscape-formatted PDF file, where every "
    echo "page has very large margins which may be useful for editorial notes"
    echo
    echo "Requires: pdfjam"
    echo
    echo "Install pdfjam on ubuntu 18.04"
    echo "  sudo apt intsll texlive-extra-utils"
    echo
    echo "Install pdfjam and basic latex on macOS:"
    echo "  brew cask install basictex"
    echo "  brew tap FLEWID-AB/homebrew-pdfjam"
    echo "  brew install pdfjam"
    exit 1
fi
command -v pdfjam >/dev/null 2>&1 || { echo >&2 "I require pdfjam but it's not installed.  Do an apt install of texlive-extra-utils to get it on Ubuntu. Aborting."; exit 1; }
exec pdfjam --batch --nup 1x1 --suffix widemargin --landscape "$@"