diff --git a/rangement/configs.mjs b/rangement/configs.mjs
index eecef525..0ec87b41 100644
--- a/rangement/configs.mjs
+++ b/rangement/configs.mjs
@@ -2,5 +2,5 @@
 export const tagSeparator = ' '
 export const tagSectionSeparator = '--'
 export const enableTestsLocally = false
-export const reportStatistics = true
+export const reportStatistics = false
 export const version = '1.0.0'
\ No newline at end of file
diff --git a/rangement/finder.mjs b/rangement/finder.mjs
index c8818b7d..20bb1e0a 100644
--- a/rangement/finder.mjs
+++ b/rangement/finder.mjs
@@ -163,7 +163,10 @@ export default class finder {
 
 		console.log('filepath', filepath)
 		let dateAlreadyInFileName = finder.findFormattedDate(filepath)
+		if(dateAlreadyInFileName){
+
 		console.log('------ dateAlreadyInFileName', dateAlreadyInFileName)
+		}
 
 		exifr.parse(filepath).then(exifData => {
 
@@ -171,17 +174,25 @@ export default class finder {
 
 				let moments = []
 
-				// console.log('exif data : ', exifData) // Do something with your data!
+				console.log('exif data : ', exifData) // Do something with your data!
 				if (exifData.DateTimeOriginal) {
-
 					// console.log('image créée le : DateTimeOriginal : ', exifData.DateTimeOriginal) // Do something with your data!
 					moments.push(exifData.DateTimeOriginal)
 				}
+				if (exifData.ModificationDateTime) {
+					// console.log('image créée le : ModificationDateTime : ', exifData.ModificationDateTime) // Do something with your data!
+					moments.push(exifData.ModificationDateTime)
+				}
 				if (exifData.ModifyDate) {
-
-					// console.log('image modifiée le : ModifyDate : ', exifData.ModifyDate) // Do something with your data!
+					// console.log('image créée le : ModifyDate : ', exifData.ModifyDate) // Do something with your data!
 					moments.push(exifData.ModifyDate)
 				}
+				if (exifData.FileAccessDateTime) {
+					moments.push(exifData.FileAccessDateTime)
+				}
+				if (exifData.FileInodeChangeDateTime) {
+					moments.push(exifData.FileInodeChangeDateTime)
+				}
 				if (exifData.FileModificationDateTime) {
 
 					// console.log('image créée le : FileModificationDateTime : ', exifData.FileModificationDateTime) // Do something with your data!
@@ -199,12 +210,15 @@ export default class finder {
 				})
 				let minDate = moment.min(moments)
 
-				return minDate
+				return minDate.format('Y-M-DTH:i:s')
 			} else {
 				console.log('pas de exif data')
-				return null
+				return ''
 			}
-		}).catch(error => console.log('Error: ' + error.message))
+		}).catch(error => {
+			console.log('/////////// Error in reading exif of file: ' + error.message)
+			return ''
+		})
 	}
 
 }
\ No newline at end of file
diff --git a/rangement/index.mjs b/rangement/index.mjs
index 2ee2af1c..f7641945 100644
--- a/rangement/index.mjs
+++ b/rangement/index.mjs
@@ -24,7 +24,7 @@ console.log(' ')
 
 function parseArguments () {
 	mini_arguments = minimist(process.argv.slice(2))
-	// console.log('arguments', mini_arguments)
+	console.log('arguments', mini_arguments)
 }
 
 parseArguments()
@@ -38,7 +38,12 @@ function renameFile (originalFileName, fileMixedNewName) {
 
 
 function makeFileNameFromProperties (fileProperties) {
-	return finder.cleanSpaces(fileProperties.dateStamp + ' ' + fileProperties.freeText + ' ' + tagSectionSeparator + ' ' + fileProperties.tags.join(tagSeparator) + fileProperties.extension)
+
+	let tagPlace = '';
+	if(fileProperties.tags.length){
+		tagPlace = ' ' + tagSectionSeparator + ' '
+	}
+	return finder.cleanSpaces( fileProperties.dateStamp + ' ' + fileProperties.freeText + tagPlace + fileProperties.tags.join(tagSeparator) + fileProperties.extension).replace(+ ' ' + tagSectionSeparator + ' '+'.' ,'.')
 }
 
 function appendFileName (fileProperties, newText) {
@@ -51,6 +56,37 @@ function prependFileName (fileProperties, newText) {
 	return fileProperties
 }
 
+function guessFileNameOnAllFilesFromArguments(){
+
+	// parcourir les dossiers
+	// parcourir les fichiers
+
+	console.log('liste des fichiers', mini_arguments._)
+	let fileList =  mini_arguments._;
+	fileList.forEach(fileName => {
+
+		let structureForFile = finder.destructurateFileName(fileName)
+		// examiner les infos exif de chaque fichier pour proposer un nouveau nom
+		if(!structureForFile.dateStamp){
+			let foundDate = finder.findExifCreationDate(fileName)
+			if(foundDate){
+			structureForFile.dateStamp = (finder.findExifCreationDate(fileName) + '')
+			}
+		}
+
+		let newname = makeFileNameFromProperties(structureForFile)
+		if(fileName !== newname ){
+
+		console.log(' nouveau nom:',newname )
+		}else{
+			console.log(' rien à changer' )
+		}
+	})
+
+}
+
+guessFileNameOnAllFilesFromArguments()
+
 // run tests
 if (enableTestsLocally) {
 
@@ -60,4 +96,4 @@ if (enableTestsLocally) {
 }
 if (reportStatistics || mini_arguments.stats) {
 	finder.reportStatistics()
-}
\ No newline at end of file
+}
diff --git a/rangement/testFiles/received_582637990728055.webp b/rangement/testFiles/received_582637990728055.webp
new file mode 100644
index 00000000..71eedad5
Binary files /dev/null and b/rangement/testFiles/received_582637990728055.webp differ
diff --git a/rangement/testFiles/tempFileForShare_20210910-004429.jpg b/rangement/testFiles/tempFileForShare_20210910-004429.jpg
new file mode 100755
index 00000000..10a9808b
Binary files /dev/null and b/rangement/testFiles/tempFileForShare_20210910-004429.jpg differ
diff --git a/rangement/testFiles/un_document.pdf b/rangement/testFiles/un_document.pdf
new file mode 100644
index 00000000..e69de29b
diff --git a/rangement/testFiles/une_photo.jpg b/rangement/testFiles/une_photo.jpg
new file mode 100644
index 00000000..e69de29b
diff --git a/rangement/testFiles/une_photo_pas_pareil.jpg b/rangement/testFiles/une_photo_pas_pareil.jpg
new file mode 100644
index 00000000..e69de29b
diff --git a/rangement/testFiles/une_photo_pas_pareil.png b/rangement/testFiles/une_photo_pas_pareil.png
new file mode 100644
index 00000000..e69de29b