That's only answering half of what kenosis asked. What have you tried?
It seems like such a simple problem that if your solution didn't work, we need to see it so that we can understand what you're doing wrong. Until then, s/\n/ / is a perfectly reasonable answer. If that answer doesn't suit you, we need to know why. "It didn't work." isn't a good enough reason. We need to know how it was incorporated into your solution, and how failure manifested itself.