#!/usr/bin/perl -w
use lib '/home/sam/krang-farm/lib';
use KrangFarm::Machine;

# loop through all configured machines
foreach $name (KrangFarm::Machine->list()) {
    $machine = KrangFarm::Machine->new(name => $name);
    $machine->start();

    # call the date command and extract the output
    $spawn = $machine->spawn(command => 'date');
    if ($spawn->expect(5, -re => qr/^.*?\d{4}\r?\n/)) {
        print "The date on $name is " . $spawn->match();
    }
    # stop the machine
    $machine->stop();
}

Example 5: Script that starts each machine on the farm.