Linux Shell Scripting Cookbook - Third Edition

Creating a broadcasting server

You can use netcan to create a custom server. The next recipe demonstrates a server that will send the time every 10 seconds. The time can be received by connecting to the port with a client nc session of telnet:

# A script to echo the date out a port 
while [ 1 ] 
do 
  sleep 10 
  date 
done | nc -l 12345  
echo exited