this script is a workaround for cronjob (because my router sometimes fails to interconnect my computers)

pinger.sh

#! /bin/bash
# this script is a workaround for cronjob (because my router sometimes fails to interconnect my computers)
ips=( "192.168.0.1" "192.168.0.2" "192.168.0.3" )
for i in "${ips[@]}"; do
    :
    ping -c1 -W5 $i >/dev/null && echo $i' up' || echo $i' down'
done