{"action":"created","comment":{"url":"https://api.github.com/repos/akka/akka/pulls/comments/23764025","id":23764025,"diff_hunk":"@@ -108,7 +101,42 @@ class StreamTcpDocSpec extends AkkaSpec {\n \n       connection.handleWith(serverLogic)\n     }\n+\n     //#welcome-banner-chat-server\n \n+    val input = new AtomicReference(\"Hello world\" :: \"What a lovely day\" :: Nil)\n+    def readLine(prompt: String): String = {\n+      input.get() match {\n+        case all @ cmd :: tail if input.compareAndSet(all, tail) ⇒ cmd\n+        case _ ⇒ \"q\"\n+      }\n+    }\n+\n+    //#repl-client\n+    val connection: OutgoingConnection = StreamTcp().outgoingConnection(localhost)\n+\n+    val repl = Flow[ByteString]\n+      .transform(() => RecipeParseLines.parseLines(\"\\n\", maximumLineBytes = 256))\n+      .map(text => println(\"Server: \" + text))\n+      .map(_ => readLine(\"> \"))\n+      //#repl-client\n+      .map {\n+        case \"q\" =>\n+          sys.shutdown(); println(\"SHUTTING DOWN NOW\")\n+        case x   ⇒ x\n+      }\n+      //#repl-client\n+      .map {\n+        case \"q\"  => ByteString(\"BYE\") // translate to server 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\"client sent me shut down command, I should 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