diff --git a/dist/smartfile.classes.smartfile.d.ts b/dist/smartfile.classes.smartfile.d.ts
index 4276f3b..9d4e832 100644
--- a/dist/smartfile.classes.smartfile.d.ts
+++ b/dist/smartfile.classes.smartfile.d.ts
@@ -73,4 +73,5 @@ export declare class Smartfile {
     isDirectory(): boolean;
     isStream(): boolean;
     isSymbolic(): boolean;
+    updateFileName(fileNameArg: string): void;
 }
diff --git a/dist/smartfile.classes.smartfile.js b/dist/smartfile.classes.smartfile.js
index 9263aee..c0cd571 100644
--- a/dist/smartfile.classes.smartfile.js
+++ b/dist/smartfile.classes.smartfile.js
@@ -104,6 +104,11 @@ class Smartfile {
     isSymbolic() {
         return false;
     }
+    // update things
+    updateFileName(fileNameArg) {
+        let oldFileName = this.parsedPath.base;
+        this.path.replace(new RegExp(oldFileName + '$'), fileNameArg);
+    }
 }
 exports.Smartfile = Smartfile;
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\ No newline at end of file
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\ No newline at end of file
diff --git a/test/test.ts b/test/test.ts
index a4be316..4f2f67a 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -175,10 +175,10 @@ tap.test('.Smartfile -> should produce vinyl compatible files', async () => {
 tap.test('should output a smartfile array to disk', async () => {
   let smartfileArray = await smartfile.fs.fileTreeToObject('./test/testfolder/', '*')
   for (let smartfile of smartfileArray) {
-    // console.log(smartfile.relative)
-    // console.log(smartfile.path)
-    // console.log(smartfile.base)
-    // console.log(smartfile.parsedPath)
+    console.log(smartfile.relative)
+    console.log(smartfile.path)
+    console.log(smartfile.base)
+    console.log(smartfile.parsedPath)
   }
   await smartfile.memory.smartfileArrayToFs(smartfileArray, path.resolve('./test/temp/testoutput/'))
 })
diff --git a/ts/smartfile.classes.smartfile.ts b/ts/smartfile.classes.smartfile.ts
index 747fc76..061e78a 100644
--- a/ts/smartfile.classes.smartfile.ts
+++ b/ts/smartfile.classes.smartfile.ts
@@ -137,4 +137,10 @@ export class Smartfile {
   isSymbolic () {
     return false
   }
+
+  // update things
+  updateFileName (fileNameArg: string) {
+    let oldFileName = this.parsedPath.base
+    this.path.replace(new RegExp(oldFileName + '$'),fileNameArg)
+  }
 }