How do I listen to STDIN input without pausing my script?

Question

I have a while loop consistently listening to incoming connections and outputting them to console. I would like to be able to issue commands via the console wit

Answer 1

Ruby uses green threads, so blocking system calls will block all threads anyway. An idea:

require 'io/wait'

while true
  if $stdin.ready?
    line = $stdin.readline.strip
    p "line from stdin: #{line}"
  end
  p "really, I am working here"
  sleep 0.1
end