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#!/bin/sh
[ -f index.html ] && rm index.html
wget 'ftp://ftp.thp.uni-duisburg.de/pub/source/' -O index.html >/dev/null 2>/dev/null
if [ $? = 0 ]; then
[ -f unfetchable ] && rm unfetchable
grep -o '>untex-.*<' < index.html | md5sum > new-sum
touch sum
if [ "$(cat sum)" = "$(cat new-sum)" ]; then
rm new-sum
else
mv new-sum sum
echo 'untex'
fi
elif [ ! -f unfetchable ]; then
touch unfetchable
echo 'untex (unfetchable)'
fi
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