md2pdf

#!/bin/sh
### Compile a markdown file to pdf.
### Depends on: pandoc (markdown to PDF), pdfsmallifier script (compress PDF)
### Usage: md2pdf [--bw] <mdfile1>
### https://leancrew.com/all-this/2022/01/reducing-the-size-of-large-pdfs

if [ $# -eq 0 ]; then
  echo "md2pdf [--bw] <mdfile>"
  exit 1
fi

[ "$1" = "--bw" ] && filename="$(basename "$2" .md)" || filename="$(basename "$1" .md)"

# generate PDF
pandoc "${filename}.md" -o "${filename}.pdf"

[ "$1" = "--bw" ] && pdfsmallifier "--bw" "${filename}.pdf" || pdfsmallifier "${filename}.pdf"

if [ "$(stat -c%s "${filename}.sml.pdf")" -lt "$(stat -c%s "${filename}.pdf")" ]; then
  # ghostscript file is smaller
  mv "${filename}.sml.pdf" "${filename}.pdf"
else
  # ghostscript file isn't smaller
  rm -f "${filename}.sml.pdf"
fi