Bash script with non-blocking read

Question

I want to send some data to a root process with a named pipe. Here is the script and it works great:

#!/bin/sh
pipe=/tmp/ntp

if [[ ! -p $pipe ]]; then
    mknod         


        

Answer 1

You can use stty to set a timeout. IIRC its something like

stty -F $pipe -icanon time 0