Shell Programming and Scripting

nodes_nso=$(cat /var/tmp/nodes.txt)

echo "ICMP Tests:"
up_nodes_nso=""
for ip in ${nodes_nso} ; do
  ping ${ip} 3 > /dev/null
  if [ "${?}" -eq "0" ]; then
    status="OK"
    up_nodes_nso="${up_nodes_nso} ${ip}"
  else
    status="DOWN"
  fi
  echo "NSO Node ${ip}: ${status}"
done

#!/usr/bin/perl

my $ip;
my @up;

open(IN1,"</tmp/nodes.txt");

while($ip=<IN1>)
{
        chomp($ip);
        if($ip != "")
        {
                $ret=system("ping -c 3 $ip > /dev/null");
                if($ret == 0)
                {       push @up, $ip;          }
        }
}

exit 0;