#!/bin/sh
current="$(pwd)"
INPUTPDF="$1"
printf '\\documentclass[a4paper,final]{article}
\\usepackage{pdfpages}
\\usepackage{ifpdf,ifxetex,everyshi}
\\makeatletter
\\ifpdf
\\EveryShipout{\\ifodd\\c@page\\else\\pdfpageattr{/Rotate 180}\\fi}%%
\\fi
\\ifxetex
\\EveryShipout{\\ifodd\\c@page\\special{pdf: put @thispage << /Rotate 180 >>}%%
\\fi
}
\\fi
\\makeatother
\\begin{document}
\\includepdf[pages=-, nup=1x2, booklet=true, landscape]{%s}
\\end{document}' "$current/$INPUTPDF" > /tmp/tmp$$.tex
cd /tmp || exit
pdflatex /tmp/tmp$$.tex
mv /tmp/tmp$$.pdf "$current/a5ona4_$INPUTPDF"
cd "$current"
rm -f /tmp/tmp$$.log /tmp/tmp$$.log