#!/usr/bin/env bash

# usage: cls2tex.sh INPUT OUTPUT PREFIX

cat $1 \
	| egrep '(^%'$3'|^\\edef\\.*@[A-Z][A-Z]+)' \
	| sed 's/^\(\\edef\\\).*@/%'$3'\1/' \
	| sed 's/%'$3'%%%% \(.*\)/%'$3'\\subsubsection{\1}\\label{subsubsec:\1}/' \
	| sed 's/%'$3'%%% \(.*\)/%'$3'\\subsection{\1}\\label{subsec:\1}/' \
	| sed 's/%'$3'%% \(.*\)/%'$3'\\section{\1}\\label{sec:\1}/' \
	| sed 's/%'$3'\s\+>>\s\+\(.*\)/%'$3'\\begin{verbatim} \1 \\end{verbatim}/' \
	| cut -c 3- - > $2