+##############################################
+# Don't run if a previous rip attempt is still running
+SCRIPT_NAME1="rip_dvd.wrap"
+SCRIPT_NAME2="xterm -T Ripping"
+MY_PID=$$
+PARENT_PID=$PPID
+ps -ef | grep -e "$SCRIPT_NAME1" -e "$SCRIPT_NAME2" | grep -v grep | grep -v $MY_PID | grep -v $PARENT_PID
+if [[ $? == 0 ]]; then
+ echo -e "-E- Found an instance of this script already running. Aborting this additional attempt to rip...\n"
+ exit 1
+fi
+