#!/usr/bin/ruby

f = 1..255

#f.each do |line|
#  puts line
#	system("ping -c 1 192.168.0.#{line}")

#pig = IO.popen("ping -c 1 192.168.0.#{line}")
#puts pig.gets

#end



count = 0
arr = []
f.each do |i|
  arr[i] = Thread.new {
    #sleep(rand(0)/10.0)
    
	system("ping -c 1 192.168.0.#{i}")
	#Thread.current["mycount"] = IO.popen("ping -c 1 192.168.0.#{i}")
	#Thread.current["mycount"] = count
    count += 1
  }
end
#arr.each {|t| t.join; print t["mycount"], ", " }
#puts "count = #{count}"