#!/bin/bash

#for machine in mira capella wasat canopus caph rigel sirius dabih hadar altair zosma arneb lasath naos sadr megrez errai alfirk enif rukbat thuban trs80 pdp8 edvac mark1 bluepig
for machine in mira capella  caph
do
    pingr=$(ping -c 1 -w 1 $machine 2> /dev/null | grep "1 received" )
    if [ -n "$pingr" ]
       then
	echo ">>>>>> $machine UPPPP"
	set -- $(timeout 1 ssh -oBatchMode=yes -oConnectTimeout=2 -oStrictHostKeyChecking=accept-new $USER@$machine uptime 2> /dev/null)
	# 05:39:11 up 24 days, 20:00,  5 users,  load average: 0.23, 0.34, 0.32
	if [ $#  -eq 12 ]
	then
	    echo "   ${6} users"
	    echo "   ${10} load"
	else
	    echo "   ${4} users"
	    echo "   ${8} load"	    
	fi
    else
	echo ">>>>>> $machine"
	echo "   DDOWN"
    fi
    
done
exit 0