#!/bin/bash
DBFILENAME='/usr/share/opera-adblock-complete/urlfilter.ini'
TMPFILENAME='/tmp/opera-adblock-urlfilter.ini'

modifyfilters(){
	chown 777 $DBFILENAME
	echo "#UsersOwnFiltersHere" > $DBFILENAME
	if [ -f "$TMPFILENAME" ]; then
		cat $TMPFILENAME >> $DBFILENAME
	fi
}
while true; do
	read -p "Do you want to keep your own changes to urlfilers and give everyone rights to modify them? [Y/n] "
	case $yn in
		[Yy]* ) modifyfilters; break;;
        [Nn]* ) exit;;
		* ) echo "Please answer yes or no.";;
	esac
done