diff --git a/index.mjs b/index.mjs
index 75964fb..9148a60 100644
--- a/index.mjs
+++ b/index.mjs
@@ -31,6 +31,7 @@ parseArguments()
 
 function renameFile (originalFileName, fileMixedNewName) {
 	fs.rename(originalFileName, fileMixedNewName, function (err) {
+		console.log('name changed', fileMixedNewName)
 		if (err) console.log('rename ERROR: ' + err)
 	})
 }
@@ -64,6 +65,12 @@ function shouldWeChangeName (structureForFile) {
 		console.log('\n ancien nom :', structureForFile.fileNameOriginal)
 		// console.log(' nouveau nom:', foundDate +structureForFile.freeText + structureForFile.tags.join(tagSeparator) + structureForFile.extension )
 		console.log(' nouveau nom:', newName)
+		if(! mini_arguments.dryRun){
+			renameFile(structureForFile.fullPath, structureForFile.folderPath + newName)
+		}
+		else{
+			console.log('no renaming for real, this is a dry run')
+		}
 	} else {
 		console.log(' rien à changer')
 	}
diff --git a/package.json b/package.json
index 289f45a..7f5a860 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "sorting utilities and file tagging using PIM methodology of Karl Voit",
   "main": "index.mjs",
   "scripts": {
-    "start": "nodemon index.mjs testFiles/2sqdf45s5g456ghdf.jpg",
+    "start": "node index.mjs",
     "devine": "node index.mjs",
     "test": "jest"
   },
diff --git a/testFiles/2sqdf45s5g456ghdf.jpg b/testFiles/2020-06-21T14:27:19 2sqdf45s5g456ghdf.jpg
similarity index 100%
rename from testFiles/2sqdf45s5g456ghdf.jpg
rename to testFiles/2020-06-21T14:27:19 2sqdf45s5g456ghdf.jpg
diff --git a/workInProgress/not_ready_functions.mjs b/workInProgress/not_ready_functions.mjs
index fd67409..278c840 100644
--- a/workInProgress/not_ready_functions.mjs
+++ b/workInProgress/not_ready_functions.mjs
@@ -8,6 +8,22 @@ import fs from 'node-fs'
  ---------------------------------------------------------------------
  **/
 
+function LogActionRun(){
+	// get file which contains logs
+	// add an entry
+	// persist log file
+}
+
+function ListActions(idOfAction){
+	// retrieve log of actions from file
+}
+function RevertAction(idOfAction){
+	// select action and run all renames in the other way
+}
+function RevertMultipleActionsUntil(idOfAction){
+	// select action and run all renames in the other way for each point in time
+}
+
 function TestDownloadedTelegramPictureRename (fileName) {
 	let fileProperties = destructurateFileName(fileName)
 }