send a message to a udp server in ruby

Here's an example of how to send a message to a UDP server in Ruby using sockets:

main.rb
require 'socket'

# Define the server address and port
addr = 'localhost'
port = 1234

# Create a UDP socket
socket = UDPSocket.new

# Define the message to send
message = 'Hello, server!'

# Send the message to the server
socket.send(message, 0, addr, port)

# Close the socket
socket.close
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In this example, we first define the address (addr) and port (port) of the server we want to send a message to. We then create a new UDPSocket object using UDPSocket.new.

Next, we define the message we want to send (message) and use the send method of the UDPSocket object to send the message to the server at the specified address and port.

Finally, we close the socket using the close method.

Note that this is a basic example and it's important to handle errors and other scenarios that might arise when working with sockets and networking in general.