The difference between 'listen' and 'listen harder' is that nc -l will exit once any connection that has been made to it closes. nc -L will continue to listen after that, accepting other connections.
if you do
nc server port < file
the sending nc won't close after the file has been sent. It will only close if you give it a timeout
nc -w 3 server port < file
Anti-nuisance lawsuit warning: The purpose of these notes is to remind me, Zoegond, of stuff or to help me work stuff out. They may contain mistakes.
Quick
- ($a, $b....) = unpack("A2A7...", $packed)
- push( array, list )
