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#!/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
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