text: 
  /*
     Copyright 2016 Sleepless Software Inc. All rights reserved.
  
     Permission is hereby granted, free of charge, to any person obtaining a copy
     of this software and associated documentation files (the "Software"), to
     deal in the Software without restriction, including without limitation the
     rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
     sell copies of the Software, and to permit persons to whom the Software is
     furnished to do so, subject to the following conditions:
  
     The above copyright notice and this permission notice shall be included in
     all copies or substantial portions of the Software.
  
     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     IN THE SOFTWARE. 
   */
  
  var fs = require("fs")
  
  var load = function(f) {
  	var self = this
  		f = f || self.file
  		self.__proto__.file = f
  		try {
  			var ds = JSON.parse(fs.readFileSync(f))
  				for(var key in ds) 
  					self[key] = ds[key]
  		}
  	catch(e) {
  		self.clear()
  	} 
  }
  
  var save = function(f) {
  	var self = this
  		f = f || self.file
  		self.__proto__.file = f
  		fs.writeFileSync(f, JSON.stringify(self))
  }
  
  var clear = function() {
  	var self = this
  		for(var key in self) 
  			delete self[key]
  }
  
  var LS = { load:load, save:save, clear:clear }
  
  var F = function(file, opts) {
  	var self = this
  		self.file = file
  		self.opts = opts || {}
  }
  F.prototype = LS
  
  
  var D = function(f, opts) {
  	var self = this
  		self.__proto__ = new F("ds.json", opts)
  		self.load(f)
  }
  D.prototype = new F()
  
  	exports.DS = D
  
  
  	if(require.main === module) {
  		require("./test.js")
  	}
  
  
  