Fixed it so rather than a flat db.rb file - has a generator

config.rb

@@ -0,0 +1,12 @@
+#!/usr/local/bin/ruby
+config = File.new("db.rb", "w")
+config.print("require mysql\n")
+print "hostname: "
+hostname = gets
+print "username: "
+username = gets
+print "password: "
+password = gets
+print "dbname: "
+dbname = gets
+config.print("my = Mysql.connect('" + hostname.strip + "', '" + username.strip + "', '" + password.strip  + "', '" + dbname.strip + "')\n")

db.rb

@@ -1,2 +0,0 @@
-require "mysql"
-$my = Mysql.connect('localhost', 'dice', 'Yqv8JPzsYew34YY7', 'dieroller')