--- Revision None
+++ Revision 653031316238
@@ -0,0 +1,52 @@
+['pp', 'yaml'].each{ |lib| require lib }
+
+module YAML
+    def save_file(filename, obj)
+        File.open(filename, "w+"){ |file| file.puts(obj.to_yaml) }
+        obj
+    end
+    module_function :save_file
+end
+
+class Hash
+    def rename(old_key, new_key)
+        new_hash = self.dup
+        new_hash[new_key] = new_hash.delete(old_key)
+        new_hash
+    end
+    def rename!(old_key, new_key)
+        self[new_key] = self.delete(old_key)
+        self
+    end
+end
+
+class YAMLOptions
+    attr_accessor :filename
+    alias set instance_eval # Like Object.tap, but evals the block rather than passing self to it
+    
+    def initialize(filename, &blk)
+        @filename = filename
+        @hash = load
+        set(&blk) if block_given?
+    end
+    
+    def method_missing(method, *args, &block)
+        p method
+    end
+    def save
+        YAML.save_file(@filename, @hash)
+    end
+    def load
+        YAML.load_file(@filename) rescue YAML.save_file(@filename, {})
+    end
+end
+
+options = YAMLOptions.new("./options.yaml")
+
+options.set do
+    foo
+    foo = "It aint easy being cheesy!"
+end
+puts "#===---"
+options.foo
+options.foo = "It aint easy being cheesy!"