diff --git a/lib/file.js b/lib/file.js
index 5e63c47e..76b3c648 100644
--- a/lib/file.js
+++ b/lib/file.js
@@ -13,6 +13,7 @@ Gun.on('put', function(at){
 		file.disk.graph[soul] = Graph[soul] || graph[soul];
 	});
 	graph = JSON.stringify(file.disk, null, 2);
+	// TODO: Allow for a `fs.writeFile` compatible module, that is more reliable/safe, to be passed in through the options.
 	fs.writeFile(opt.file || file.file, graph, function(err){
 		file.gun.on('in', {
 			'@': at['#'],
@@ -40,7 +41,7 @@ function field(node, field){
 	if(!node){ return }
 	var tmp = node[field];
 	node = {_: node._};
-	if(u !== tmp){
+	if(undefined !== tmp){
 		node[field] = tmp;
 	}
 	tmp = node._;
@@ -62,25 +63,33 @@ Gun.on('opt', function(at){
 	);
 	file.use = true;
 	file.file = String(opt.file || file.file || 'data.json');
-	file.raw = file.raw || (fs.existsSync || require('path').existsSync)(opt.file) ? fs.readFileSync(opt.file).toString() : null;
+	file.raw = file.raw || (fs.existsSync || require('path').existsSync)(file.file) ? fs.readFileSync(file.file).toString() : null;
 	file.disk = file.disk || Gun.obj.ify(file.raw || {graph: {}});
 	file.disk.graph = file.disk.graph || {};
 	file.gun = gun;
 });
 
-function test(){
-	var gun = Gun(), i = 2000, expect = 0;
-	while(--i){
-		expect += i;
-		gun.get('test/' + i).put({ index: i });
-	}
-	setTimeout(function(){
+(function test(){
+	try{
 		var graph = Gun.obj.ify(fs.readFileSync('data.json').toString()).graph;
-		var count = 0;
-		Gun.obj.map(graph, function(node){
-			count += node.index;
-		})
-		console.log(expect === count? "SUCCESS!" : "FAIL!");
-	},100);
-}
-//test();
+		var read;
+		Gun().get('test/5').path('index').val(function(data){
+			read = data;
+		});
+		console.log((5 === read)? "READ SUCCESS" : "FAIL");
+	}catch(e){
+		var gun = Gun(), i = 100, expect = 0;
+		while(--i){
+			expect += i;
+			gun.get('test/' + i).put({ index: i, test: true });
+		}
+		setTimeout(function(){
+			var graph = Gun.obj.ify(fs.readFileSync('data.json').toString()).graph;
+			var count = 0;
+			Gun.obj.map(graph, function(node){
+				count += node.index;
+			});
+			console.log((expect && expect === count)? "WRITE SUCCESS! - RUN AGAIN" : "FAIL!");
+		},100);
+	};
+}());