Interact with the sign brought by @tenderlove

signage.rb

require 'drb/drb'
require 'betabrite'

SERVER_URI = "druby://192.168.1.172:8787"

DRb.start_service

def S(str)
  BetaBrite::String.new(str)
end

def sw(message, *option)
  
  # Ensure our options are a nice flat array

  option = Array(option).flatten
  
  # Show a little information to the user
  
  puts "Writing: #{message} with options #{option.join(",")}"
  
  # This is our templating language to save having to type in the characters
  # They are accessible numerically. Not pretty but works...
  # https://github.com/tenderlove/betabrite/blob/master/lib/betabrite/string.rb
  
  message.scan(/!!(\d+)/).each do |match|
    puts "Swapping in symbol: #{BetaBrite::String.constants[match.flatten.first.to_i]}"
    message.gsub!("!!#{match.flatten.first}",eval("BetaBrite::String::#{BetaBrite::String.constants[match.flatten.first.to_i]}") )
  end
  
  # Perform all the transformations (e.g. seven_shadow, rainbow_2)

  string = S(message)
  string = option.inject(string) {|memo,obj| memo.send(obj) ; memo }
  
  # Connect and write the raw message

  sign = DRbObject.new_with_uri(SERVER_URI)
  sign.write_raw [ string ]
  
end

sw "!!8tenderlove!!8", :seven_shadow, :rainbow_2