#!/usr/bin/awk -f
BEGIN {
        listener = "/inet/tcp/300/0/0"
        quit = "no"

       print $0 
       while (match(quit,"no")) {
         while ((listener |& getline) > 0) {
                 if (match($0,"CREDOKBYYOU?")) {
                         print "CREDOKBYME" |& listener
                   }
         }
         close(listener)
      }
}