I accidentally find this one on my backup the other day ... the famous magoulakia script for those that lived (and propably laughed to death) with this sad story :).

cd $1
for i in *
do
	echo $i 
	mv $i $i.1
	cat $i.1 | grep -e "magoulakia" -v > $i
	rm -f $i.1
	chown $i.backup $i
done