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#!/bin/sh

[ -f fitch.sty.new ] &&  rm fitch.sty.new

wget 'http://folk.uio.no/johanw/fitch.sty' -O fitch.sty.new >/dev/null 2>/dev/null

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