From: Joel VanderWerf <vjoel@...>
Date: 2004-04-25T04:34:02+09:00
Subject: Re: Playing with sockets...

Hal Fulton wrote:
> Hal Fulton wrote:
> 
>> I wonder: How hard is it to write a server to which one would connect
>> with telnet?
> 
> 
> To answer my own question: Frightfully easy.
> 
>     require 'socket'
>     port = 8023
>     server = TCPServer.new('localhost', port)
>     session = server.accept
>     while cmd = session.gets.chomp
>       break if cmd =~ /quit/
>       session.print "You said: '#{cmd}'\n"
>     end
>     session.print "Bye!"
>     session.close
> 
> 
> It's nice when things just work.

And if you want to handle multiple requests, it's easy to thread this 
server. See sample/tsvr.rb in the ruby distribution.