#!/bin/sh

[ -f fitch ] &&  rm fitch

wget 'http://www.mathstat.dal.ca/~selinger/fitch' -O fitch >/dev/null 2>/dev/null

if [ $? = 0 ]; then
	[ -f unfetchable ] && rm unfetchable
	md5sum fitch > new-sum
	touch sum
	if [ "$(cat sum)" = "$(cat new-sum)" ]; then
		rm new-sum
	else
		mv new-sum sum
		echo 'latex-fitch-uoo'
	fi
elif [ ! -f unfetchable ]; then
	touch unfetchable
	echo 'latex-fitch-uoo (unfetchable)'
fi