#!/bin/sh
##	run blockips and sleep 2 minutes; repeat.
##	bchivers	Mon Oct  5 03:07:44 EDT 2020
##	sleep 30 sec.	2020/Oct/29
#
#	run blockips every $FREQ seconds.
#	FREQ should be an interger divisor of 60 seconds.
#	bchivers	Fri Oct 30 02:22:38 EDT 2020
#
# FREQ=10
FREQ=5			# Fri Jan  1 03:27:55 EST 2021

while /bin/true
	do /home/bchivers/webserver/blockips
	SECS=`/bin/date +%S`
	USED=`/usr/bin/expr $SECS % $FREQ`
	WAIT=`/usr/bin/expr $FREQ - $USED`
	sleep $WAIT
done