xsend.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'xmpp4r'

include Jabber

unless ARGV[0]
  p "Usage: #{$0} MSG"
  exit 
end

FROM = 'change-me@server.tld/Console'.freeze
PASS = '--change-me--'.freeze
TO = 'juick@juick.com'.freeze

c = Client::new(JID::new(FROM))
c.connect
c.auth(PASS)

c.send Message::new(TO, ARGV[0].to_s).set_type(:normal)

# some older servers will not send the message if you 
# disconnect immediately after sending
sleep(1)