Rednet (API)

The rednet API provides a simple computer networking model over RedPower bundled cables or the Wireless Modems of Computercraft 1.3.
With the table below, 'side' refers to a string that represents a side of the computer ("front", "back", "left", "right", "bottom", "top"). All message sent with rednet are and must be strings.

Methods

Method name	Description	Return type
rednet.open( side )	Tells the computer that the side can be used for networking.	nil
rednet.close( side )	Tells the computer that the side can no longer be used for networking.	nil
rednet.announce()	Broadcasts an empty rednet message.	nil
rednet.send( receiverID,message )	Sends a message to the computer using the opened sides. The receiver ID is the ID (number, not string) of the computer you're sending the message to.	success
rednet.broadcast( message )	Sends the message to ALL connected and open computers.	success
rednet.receive( timeout )	Waits until it received a rednet message or timeout has passed. Leave args empty to wait for a message forever.	senderId, message, distance

Events

Method name	Description	Parameters
rednet_message	Fired when a rednet message is received (can be used as alternative for rednet.receive()	senderId, message, distance