diff --git a/lib/plankton/plankton.d.ts b/lib/plankton/plankton.d.ts
index 0d86ee1..8af13b1 100644
--- a/lib/plankton/plankton.d.ts
+++ b/lib/plankton/plankton.d.ts
@@ -1,15 +1,15 @@
 /**
  * @author fenris
  */
-declare type int = number;
+type int = number;
 /**
  * @author fenris
  */
-declare type float = number;
+type float = number;
 /**
  * @author fenris
  */
-declare type type_date = {
+type type_date = {
     year: int;
     month: int;
     day: int;
@@ -17,7 +17,7 @@ declare type type_date = {
 /**
  * @author fenris
  */
-declare type type_time = {
+type type_time = {
     hour: int;
     minute: int;
     second: int;
@@ -25,7 +25,7 @@ declare type type_time = {
 /**
  * @author fenris
  */
-declare type type_datetimeobject = {
+type type_datetimeobject = {
     date: type_date;
     time: type_time;
 };
@@ -44,7 +44,7 @@ declare namespace lib_plankton.base {
 /**
  * @author fenris
  */
-declare type type_pseudopointer<type_value> = {
+type type_pseudopointer<type_value> = {
     value: type_value;
 };
 /**
@@ -692,6 +692,10 @@ declare namespace lib_plankton.call {
     }>;
 }
 declare namespace lib_plankton.file {
+    /**
+     * @author fenris
+     */
+    function exists(path: string): Promise<boolean>;
     /**
      * @author fenris
      */
@@ -1488,7 +1492,7 @@ declare namespace lib_plankton.storage.memory {
         clear(): Promise<void>;
         write(key: any, value: any): Promise<boolean>;
         delete(key: any): Promise<void>;
-        read(key: any): Promise<type_item>;
+        read(key: any): Promise<Awaited<type_item>>;
         search(term: any): Promise<{
             key: string;
             preview: string;
diff --git a/lib/plankton/plankton.js b/lib/plankton/plankton.js
index fd927fa..492d186 100644
--- a/lib/plankton/plankton.js
+++ b/lib/plankton/plankton.js
@@ -1554,6 +1554,23 @@ var lib_plankton;
 (function (lib_plankton) {
     var file;
     (function (file) {
+        /**
+         * @author fenris
+         */
+        function exists(path) {
+            var nm_fs = require("fs");
+            return (new Promise(function (resolve, reject) {
+                nm_fs.stat(path, function (error, stats) {
+                    if (error) {
+                        resolve(false);
+                    }
+                    else {
+                        resolve(true);
+                    }
+                });
+            }));
+        }
+        file.exists = exists;
         /**
          * @author fenris
          */
@@ -4040,7 +4057,7 @@ var __generator = (this && this.__generator) || function (thisArg, body) {
     function verb(n) { return function (v) { return step([n, v]); }; }
     function step(op) {
         if (f) throw new TypeError("Generator is already executing.");
-        while (_) try {
+        while (g && (g = 0, op[0] && (_ = 0)), _) try {
             if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
             if (y = 0, t) op = [op[0] & 2, t.value];
             switch (op[0]) {
@@ -7694,7 +7711,7 @@ var __generator = (this && this.__generator) || function (thisArg, body) {
     function verb(n) { return function (v) { return step([n, v]); }; }
     function step(op) {
         if (f) throw new TypeError("Generator is already executing.");
-        while (_) try {
+        while (g && (g = 0, op[0] && (_ = 0)), _) try {
             if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
             if (y = 0, t) op = [op[0] & 2, t.value];
             switch (op[0]) {