diff --git a/conf/configs.ts b/conf/configs.ts
index 58e8c71..0a7b584 100644
--- a/conf/configs.ts
+++ b/conf/configs.ts
@@ -15,7 +15,8 @@ interface ConfigOverride {
  * configuration générale à importer dans les utilitaires
  */
 class config_rangement {
-	log_level: LogLevelDesc = 'debug' // 'debug' | 'warn' |'info'
+	// log_level: LogLevelDesc = 'debug' // 'debug' | 'warn' |'info'
+	log_level: LogLevelDesc = 'info' // 'debug' | 'warn' |'info'
 
 	version = '1.0.0'
 	iso_date_format = 'yyyy-MM-DDTHH.mm.ss' // target format for dates in file names
diff --git a/utils/finder.ts b/utils/finder.ts
index 2665b7c..3c69774 100644
--- a/utils/finder.ts
+++ b/utils/finder.ts
@@ -10,11 +10,14 @@ import path from "node:path";
 import minimist from 'minimist';
 import {fileDestructuration, taggingCommand} from './interfaces';
 
+import child_process, {exec} from "child_process";
+
 log.setLevel(rangement_instance.log_level)
 
 
 let cwd = path.dirname(process.cwd()) + '/' + path.basename(process.cwd())
 
+const seconds_in_a_year: number = 1000 * 24 * 3600 * 30 * 12
 
 /**
  * finds patterns for file name
@@ -36,7 +39,8 @@ export default class finder {
 		fs.readdir(baseDir, (err, filesList) => {
 			if (err) throw err
 
-			log.debug('readSubdirectories - files', filesList)
+			log.debug(`readSubdirectories baseDir - ${baseDir}
+			  * files: `, filesList)
 
 			filesList.forEach((subDirOrFile) => {
 				const newFullPath = cwd + '/' + subDirOrFile
@@ -50,15 +54,20 @@ export default class finder {
 				}
 			})
 
+			if (!filesList.length) {
+				filesList = []
+			}
+			this.fileList = filesList;
 			return filesList;
 		})
 	}
 
-	static isFolderOrFile(filePathName: string) {
+	static async isFolderOrFile(filePathName: string): Promise<void> {
 		const stat = fs.statSync(filePathName)
 
 		if (stat.isDirectory()) {
-			this.fileList = this.readSubdirectories(filePathName)
+			this.readSubdirectories(filePathName)
+
 			log.debug('fileList in directory ', filePathName, '\n', this.fileList)
 			if (this.fileList.length) {
 				this.expandedFileList.push(...this.fileList)
@@ -161,7 +170,7 @@ export default class finder {
 		if (rangement_instance.keepOriginalNameInRename) {
 			log.debug(' +++++++++ on ajoute le nom original dans le free text +++++++', originalFileName)
 			fileMixedNewName = this.addOriginalFileNameIfMissing(originalFileName, fileMixedNewName)
-			log.debug(' +++++++++ nouveau nom', fileMixedNewName)
+			log.info(' +++++++++ nouveau nom', fileMixedNewName)
 		}
 
 		let self = this;
@@ -173,10 +182,35 @@ export default class finder {
 				self.otherRenames.push(fileMixedNewName)
 
 				finder.statistics['filesModified']++
+
+				// set the original file name
+				self.setOriginalFileNameInExifData(originalFileName, fileMixedNewName).then(res=>{
+					log.debug('promise resolved setOriginalFileNameInExifData', res)
+				})
 			}
 		})
 	}
 
+	/**
+	 * définit la valeur exif du nom original du fichier
+	 * @param filePath
+	 * @param newFileName
+	 */
+	static setOriginalFileNameInExifData(filePath, newFileName) {
+	const command = `exiftool -OriginalFileName="${newFileName}" "${filePath}"`;
+		console.log('setOriginalFileNameInExifData command', command)
+	return new Promise((resolve, reject) => {
+		exec(command, (error, stdout, stderr) => {
+			if (error) {
+				reject(error);
+			} else {
+				resolve(stdout);
+			}
+		});
+	});
+}
+
+
 	static guessFileNameOnAllFilesFromArguments(): void {
 
 		// parcourir les fichiers
@@ -514,12 +548,26 @@ export default class finder {
 		return result
 	}
 
-	static dateIsGood(date: Date): boolean {
+
+	static dateIsGood(date: string): boolean {
+		console.log('dateIsGood ?', date)
 		if (!date) {
 			return false
 		}
-		let year: number = date.getFullYear();
-		console.log('date', typeof date, year)
+		let year: number = 1970;
+
+		let date_as_timestamp = date * 1
+		console.log('date*1', date_as_timestamp)
+		if (date_as_timestamp > seconds_in_a_year) {
+			let dateObj: Date = new Date(date)
+			if (!dateObj) {
+				console.log("date is not valid")
+			}
+			console.log('date', date, dateObj)
+			year = dateObj.getUTCFullYear();
+		}
+
+		console.log('date : ', typeof date, year)
 		console.log('(year > 1970)', (year > 1970))
 
 
@@ -539,6 +587,7 @@ export default class finder {
 	}
 
 	private static pushToMomentDatesIfGood(someDate: Date): void {
+		console.log('pushToMomentDatesIfGood someDate', someDate)
 		if (this.dateIsGood(someDate)) {
 			this.moments.push(someDate)
 		}
@@ -607,7 +656,7 @@ export default class finder {
 		}
 
 		let exifPromise = await exifr.parse(filepath);
-		// log.debug(' -------- exifdata', exifPromise)
+		console.log(' -------- exifdata', exifPromise)
 
 		return exifPromise