# Example of sending from an unconnected socket set s [socket dgram] foreach i [range 1 5] { # Specify the address and port with sendto $s sendto "$i + $i + 10" 127.0.0.1:20000 # Receive the response - max length of 100 puts [$s recvfrom 100] } $s close # Now sending via a connected udp socket set s [socket dgram 127.0.0.1:20000] foreach i [range 5 10] { # Socket is connected, so can just use puts here # But remember to flush to ensure that each message is separate $s puts -nonewline "$i * $i" $s flush # Receive the response - max length of 100 puts [$s recvfrom 100] }