> > tail -f /var/log/messages | grep "local IP" > /home/pppusers/dynamic.IP > > > > it does nothing but create a 0 byte file. > > "tail -f" will run forever; output to the file won't be flushed until you've > written a certain amount to the file -- one line obviously isn't enough. > The screen on the other hand is flushed immediately. I suspect you don't > really need the -f for tail, especially if you are just running this > from the ip-up script or something.
If I ran tail from the script without the -f, it would terminate immediately. Since tail would terminate before the chat part of the script has even finished, it would never see the string I'm looking for. Am I making any sense here? -- Unsubscribe? mail -s unsubscribe [EMAIL PROTECTED] < /dev/null
