#!/bin/bash

for FILE in `ls *.db`
do

	TEST=`head -1 $FILE | grep TTL `
	if [ "$TEST" != "" ]
	then
		echo "Skipping $FILE"
	else
		echo "Processing $FILE"
		echo "\$TTL 7d" > tmp.db
		cat $FILE >> tmp.db
		mv tmp.db $FILE
	fi
	TEST=""
done