diff --git a/etc/up-serve/servers.up b/etc/up-serve/servers.up
new file mode 100644
index 0000000..e69de29
diff --git a/index.js b/index.js
old mode 100644
new mode 100755
index 94ba248..cf8e6e7
--- a/index.js
+++ b/index.js
@@ -14,10 +14,8 @@ var createProxyServer = require('./actions/createProxyServer');
 var createStaticServer = require('./actions/createStaticServer');
 var killServer = require('./actions/killServer');
 
-
-// appendToList("example.com", "80");
-// appendToList("example2.com", "80", "4000");
-
+appendToList("example.com", "80");
+appendToList("example2.com", "80", "4000");
 
 // Check for requirements such as OS version and nginx install. Throw and exit if requirements not found. #Roadmap: Add ability to satisfy any possible requirements.
 requirements(); // Comment in development and uncomment this line in production. This should check whether the OS is compatible with this version of `up`
diff --git a/package-lock.json b/package-lock.json
index 0b002a6..bf62478 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "up-serve",
-  "version": "0.1.3",
+  "version": "0.1.5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/utils/listFile.js b/utils/listFile.js
index ce84905..fc5abdb 100644
--- a/utils/listFile.js
+++ b/utils/listFile.js
@@ -1,59 +1,46 @@
-// These functions just return paths.
 var fs = require('fs-extra');
 var shell = require('shelljs');
 
 var EOL = require('os').EOL; // \n if used on Linux, \r\n if used on Windows.
 
-var listFilePath = 'etc/up-serve/servers.up';
+var listFilePath = "/etc/up-serve/servers.up";
 
 function appendToList(domain, outPort, inPort) {
-    fs.ensureFileSync(listFilePath) // Creates directory if doesn't exist
-
-    if (inPort) {
-        var addr = domain + ':' + outPort + '  ' + 'proxy' + '  ' + inPort + EOL;
-    } else {
-        var addr = domain + ':' + outPort + '  ' + 'static' + EOL;
-    }
-    //reads file to check if domain already exist
-    var data = fs.readFileSync(listFilePath);
-
-    var dataString = data.toString().split("\n");
-
-    var isDomainUnique = dataString.search(domain); // returns -1 if not found else line count
-    var isOutPortUnique = dataString.search(outPort); // returns -1 if not found else line count
-
-    if (isDomainUnique == -1 && isOutPortUnique == -1) {
-        //wirtes to the file in path
-        fs.appendFileSync(listFilePath, addr);
-    } else if (isDomainUnique == -1 || isOutPortUnique == -1) {
-        if (isDomainUnique == -1) {
-            var deleteOutPortLine = dataString.slice(isOutPortUnique).join('\n');
-            fs.appendFileSync(listFilePath, deleteOutPortLine);
-            fs.appendFileSync(listFilePath, addr);
-
-        } else {
-            var deleteDomainLine = dataString.slice(isDomainUnique).join('\n');
-            fs.appendFileSync(listFilePath, deleteDomainLine);
-            fs.appendFileSync(listFilePath, addr);
-        }
-
-    } else {
-        var deleteDomainLine = dataString.slice(isDomainUnique).join('\n');
-        fs.appendFileSync(listFilePath, deleteDomainLine);
-
-        var data = fs.readFileSync(listFilePath);
-
-        var dataString = data.toString().split("\n");
-        var isOutPortUnique = dataString.search(outPort); // returns -1 if not found else line count
-
-        var deleteOutPortLine = dataString.slice(isOutPortUnique).join('\n');
-        fs.appendFileSync(listFilePath, deleteOutPortLine);
-
-        fs.appendFileSync(listFilePath, addr);
-
-    }
-
 
+	if (!inPort) {
+		var domBlock = {
+			domain: {
+				"type": "static",
+				"outPort": outPort,
+				"inPort": undefined
+			}
+		}
+	} else {
+		var domBlock = {
+			domain: {
+				"type": "proxy",
+				"outPort": outPort,
+				"inPort": inPort
+			}
+		}
+	}
+	if (fs.existsSync(listFilePath)) {
+		var jsonFile = fs.readFileSync(listFilePath);
+		jsonFile = JSON.parse(jsonFile);
+
+		for (block in jsonFile) {
+			if (block.domain == domain && block.outPort == outPort) {
+				delete jsonFile.block;
+				return;
+			}
+		}
+
+		jsonFile.domain = domBlock.domain;
+	}
+	else {
+		var jsonFile = JSON.stringify(domBlock) + EOL;
+	}
+		fs.writeFileSync(listFilePath, jsonFile);
 
 }