Nonblocking writes, blocking reads

fifo.rb

`mkfifo fifotest`

Process.fork do 
  puts "We're going to write a message to a process who will pick it up later"
  nonblocking = open('fifotest', 'w+')
  nonblocking.puts "A message for you, Rudy\r\n"
  nonblocking.flush
  nonblocking.close
  puts "Done writing"
end

puts "Going to read"
blocking = open('fifotest', 'r+')
puts blocking.readline
puts "Going to block, since nothing is there"
puts blocking.readline
blocking.close

# echo go away > fifotest 
# terminates the script