Update disk_sanitizer.sh

switched to bash from sh and changed to echo -e

Author: jnyilas

disk_sanitizer.sh

@@ -230,10 +230,18 @@ echo "CTRL-C to Interrupt ..."
 
 sleep 65
 #The Bell
-echo "\07 \07 \07 \07 \07 \07 \07 \07"
+echo -e "\07"; sleep .2
+echo -e "\07"; sleep .2
+echo -e "\07"; sleep .4
+echo -e "\07"; sleep .4
+echo -e "\07"; sleep .4
+echo -e "\07"; sleep .4
+echo -e "\07"; sleep .2
+echo -e "\07"; sleep .2
+echo -e "\07"; sleep .2
 for i in 10 9 8 7 6 5 4 3 2 1; do
 	sleep 1
-	echo "PURGING ALL DATA in $i ... \r\c"
+	echo -e "PURGING ALL DATA in $i ... \r\c"
 	sleep 1
 done
 #debug