tmp=chg.sed

sed "s/\\\\\"a/ä/g" $1 > $tmp
cp $tmp $1
sed "s/\\\\\"o/ö/g" $1 > $tmp
cp $tmp $1
sed "s/\\\\\"u/ü/g" $1 > $tmp
cp $tmp $1
sed "s/\\\\\"A/Ä/g" $1 > $tmp
cp $tmp $1
sed "s/\\\\\"O/Ö/g" $1 > $tmp
cp $tmp $1
sed "s/\\\\\"U/Ü/g" $1 > $tmp
cp $tmp $1
sed "s/{\\\\ss\}/ß/g" $1 > $tmp
cp $tmp $1
rm $tmp