check uptime

#!/usr/bin/env ruby 
require 'rubygems' 
require 'net/ssh'

filename = ARGV.shift || raise("no filename provided")
user = ARGV.shift || raise("no host provided")
pass = ARGV.shift || raise("no user provided")

File.open(filename).each do |i|
	host = i.chomp
	print "#{host}: "

	Net::SSH.start(host, user, :password => pass ) do|ssh|
		result = ssh.exec!('uptime')
		puts result
	end
end