#!/bin/bash

# program to produce folded mini books

pdflatex=pdflatex

infile="$1"

tmpdir="/tmp/$$"

mkdir "$tmpdir"
cp "$infile" "$tmpdir/in.pdf"
cd "$tmpdir"

# invert pages on top half

$pdflatex \\batchmode \
'\documentclass[a4paper,portrate]{book}\
\usepackage{pdfpages}\
\begin{document}\
\includepdf[pages=1, angle=180]{in.pdf}\
\includepdf[pages=2-5]{in.pdf}\
\includepdf[pages=6-8, angle=180]{in.pdf}\
\end{document}'

mv book.pdf in.pdf

# impose pages into mini booklet
# %\includepdf[nup=4x2, pages={1,8-6,2-5}, trim=24mm 10mm 24mm 10mm, cut, frame]{in.pdf}\

$pdflatex \\batchmode \
'\documentclass[a4paper,landscape]{book}\
\usepackage{pdfpages}\
\begin{document}\
\includepdf[nup=4x2, pages={1,8-6,2-5}, frame]{in.pdf}\
\end{document}'

mv book.pdf $OLDPWD

rm -rf "$tmpdir"