diff --git a/sms_to_csv.mjs b/sms_to_csv.mjs
index c47fe7c..a8abf37 100644
--- a/sms_to_csv.mjs
+++ b/sms_to_csv.mjs
@@ -1,122 +1,127 @@
-import fs from "node-fs";
-import convert from "xml-js";
-import {writeFileInOuputFolderFromJsonObject} from "./utils.mjs";
+import fs from 'node-fs'
+import convert from 'xml-js'
+import { writeFileInOuputFolderFromJsonObject } from './utils.mjs'
 
 /**********************
  * initialize configs
  **********************/
 
-const sourceFileName = 'sms.xml'
-const outputFileJson = 'sms-20180423162531.json'
-const outputFileCsv = 'sms-20180423162531.tsv'
-const outputFileJsonPathFull = '/home/cipherbliss/Nextcloud/ressources/social sorting/output/' + outputFileJson
-const sourceFileJson = '/home/cipherbliss/Nextcloud/ressources/social sorting/output/' + outputFileJson
-const sourceFilePath = '/home/cipherbliss/Nextcloud/ressources/social sorting/' + sourceFileName;
+const sourceFileBaseName = 'sms-20180423162531'
+const sourceFileName = `${sourceFileBaseName}.xml`
+const outputFileJson = `${sourceFileBaseName}.json`
+const outputFileCsv = `${sourceFileBaseName}.tsv`
+const folder_base = '/home/tykayn/Nextcloud/ressources/social sorting/'
+
+const outputFileJsonPathFull = `${folder_base}output/${outputFileJson}`
+const sourceFileJson = `${folder_base}output/${outputFileJson}`
+const sourceFilePath = folder_base + sourceFileName
 
 let headers = []
 let tasksObjectsForJsonExport = []
 let headersByKind = {}
-let writeJsonAfterParse = false;
-writeJsonAfterParse = true;
+let writeJsonAfterParse = false
+writeJsonAfterParse = true
 
 /**************************************************************
  * fetch the source file to read its contents
  *************************************************************/
 
-console.log('parse some org file', sourceFilePath)
+// console.log('parse some org file', sourceFilePath)
 if (!sourceFilePath) {
-    console.error('pas de fichier à ouvrir')
+	console.error('pas de fichier à ouvrir')
 }
 
-function convertToCsv(elementsArray) {
-    elementsArray.forEach(item => {
-        console.log('item._attributes.date_sent', item._attributes.date_sent)
-        console.log('item._attributes.contact_name', item._attributes.date_sent)
-        console.log('item._attributes.body', item._attributes.date_sent)
-    })
+function convertToCsv (elementsArray) {
+	elementsArray.forEach(item => {
+		// console.log('item._attributes.date_sent', item._attributes.date_sent)
+		// console.log('item._attributes.contact_name', item._attributes.date_sent)
+		// console.log('item._attributes.body', item._attributes.date_sent)
+	})
 }
 
-function convertJsonToCsv(sourceFilePath, outputFileName) {
-    fs.readFile(sourceFilePath, 'utf8', function (err, data) {
+function convertJsonToCsvAndPersistTSVFile (jsonFilePath, outputFileTSVName) {
+	// console.log('convertJsonToCsvAndWriteItAs', jsonFilePath, outputFileTSVName)
 
-        console.log('data', data)
-        if (data) {
+	fs.readFile( folder_base+ jsonFilePath, 'utf8', function (err, data) {
 
-            const events = [
+		// console.log('data', data)
+		if (data) {
 
-                'amount\t' +
-                'content\t' +
-                'description\t' +
-                'destination\t' +
-                'end\t' +
-                'kind of activity\t' +
-                'person\t' +
-                'place\t' +
-                'source\t' +
-                'start\t' +
-                'unique id\t' +
-                'url\t'
-            ];
-            data = JSON.parse(data)
-            console.log('data', data)
-            // console.log('data', Object.keys(data[0]))
-            data['smses']['sms'].forEach(item => {
+			const events = [
 
-                // convert all fields to common event description
-                events.push(
-                    '\t' +
-                    item._attributes.body.replace('\n', '   ') + '\t' +
-                    'sms ' + item._attributes.address + ' le ' + item._attributes.readable_date + '\t' +
-                    item._attributes.address + '\t' +
-                    '' + '\t' +
-                    '' + '\t' +
-                    item._attributes.contact_name + '\t' +
-                    '' + '\t' +
-                    '' + '\t' +
-                    '' + '\t' +
-                    '' + '\t' +
-                    '' + '\t'
-                )
-            })
-            console.log('events', events)
-            writeFileInOuputFolderFromJsonObject(outputFileName, events.join("\n"))
+				'amount\t' +
+				'content\t' +
+				'description\t' +
+				'destination\t' +
+				'end\t' +
+				'kind of activity\t' +
+				'person\t' +
+				'place\t' +
+				'source\t' +
+				'start\t' +
+				'unique id\t' +
+				'url\t'
+			]
+			data = JSON.parse(data)
+			// console.log('data.length', data.length)
+			// // console.log('data', Object.keys(data[0]))
+			data['smses']['sms'].forEach(item => {
 
-        } else {
-            console.error('no data in xml file ' + sourceFilePath)
-        }
-    })
+				// convert all fields to common event description
+				events.push(
+					'\t' +
+					item._attributes.body.replace('\n', '   ') + '\t' +
+					'sms ' + item._attributes.address + ' le ' + item._attributes.readable_date + '\t' +
+					item._attributes.address + '\t' +
+					'' + '\t' +
+					'' + '\t' +
+					item._attributes.contact_name + '\t' +
+					'' + '\t' +
+					'' + '\t' +
+					'' + '\t' +
+					'' + '\t' +
+					'' + '\t'
+				)
+			})
+			// // console.log('events', events)
+			writeFileInOuputFolderFromJsonObject(outputFileTSVName, events.join('\n')).then(res => {
+				// console.log('res', typeof res)
+			})
+
+		} else {
+			console.error('no data in xml file ' + jsonFilePath)
+		}
+	})
 }
 
-function openSourceFile() {
+function openSourceFile () {
 
-    fs.stat(sourceFilePath, function (err, data) {
-        if (err == null) {
-            console.log(`File ${sourceFilePath} exists`);
+	fs.stat(sourceFilePath, function (err, data) {
+		if (err == null) {
+			// console.log(`File ${sourceFilePath} exists`)
 
-            /**********************
-             * loop to parse all
-             *********************/
-            fs.readFile(sourceFilePath, 'utf8', function (err, data) {
-                // console.log('data', data)
-                var jsonConversion = convert.xml2json(data, {compact: true, spaces: 2});
-                // console.log('smses', Object.keys(jsonConversion))
-                console.log('jsonConversion[0]', jsonConversion['10'])
+			/**********************
+			 * loop to parse all
+			 *********************/
+			fs.readFile(sourceFilePath, 'utf8', function (err, data) {
+				// // console.log('data', data)
+				var jsonConversion = convert.xml2json(data, { compact: true, spaces: 2 })
+				// // console.log('jsonConversion keys', Object.keys(jsonConversion))
+				// console.log('jsonConversion.length', parseFloat(jsonConversion.length / 1024 / 1024, 2), 'Mo')
 
-                writeFileInOuputFolderFromJsonObject(outputFileJsonPathFull, jsonConversion)
-                convertJsonToCsv(sourceFileJson, outputFileCsv)
+				writeFileInOuputFolderFromJsonObject(outputFileJson, jsonConversion)
+				convertJsonToCsvAndPersistTSVFile(outputFileJson, outputFileCsv)
 
-            })
+			})
 
+		} else if (err.code === 'ENOENT') {
+			// file does not exist
+			console.error(`le fichier ${sourceFilePath} est introuvable. Impossible d en extraire des infos.`, err)
 
-        } else if (err.code === 'ENOENT') {
-            // file does not exist
-            console.error(`le fichier ${sourceFilePath} est introuvable. Impossible d en extraire des infos.`, err);
-
-        } else {
-            console.log('Some other error: ', err.code);
-        }
-    });
+		} else {
+			console.log('Some other error: ', err.code)
+		}
+	})
 }
 
-
 openSourceFile()
diff --git a/utils.mjs b/utils.mjs
index f701527..0367984 100644
--- a/utils.mjs
+++ b/utils.mjs
@@ -1,4 +1,4 @@
-import fs from "node-fs";
+import fs from 'node-fs'
 
 export const headersTsv = 'amount\t' +
 	'content\t' +
@@ -13,22 +13,23 @@ export const headersTsv = 'amount\t' +
 	'unique id\t' +
 	'url\t'
 
-const outputAbsolutePath = '/home/tykayn/Nextcloud/ressources/social sorting/output/';
+const outputAbsolutePath = '/home/tykayn/Nextcloud/ressources/social sorting/output/'
 
-export async function writeFileInOuputFolderFromJsonObject(fileName, jsonObjectThing) {
+export async function writeFileInOuputFolderFromJsonObject (fileName, jsonObjectThing) {
 
 	// console.log('statistics.dates', statistics.dates)
+	let fullpath = `${outputAbsolutePath}${fileName}`
 
 	return await fs.writeFile(
-		`${outputAbsolutePath}${fileName}`,
+		fullpath,
 		JSON.stringify(jsonObjectThing, null, 2),
-		"utf8",
+		'utf8',
 		(err) => {
 			if (err) {
-				console.log(`Error writing file: ${err}`);
+				console.log(`Error writing file: ${err}`)
 			} else {
-				console.log(`File ${fileName} is written successfully!`);
+				console.log(`File ${fileName} is written successfully! \n\n ${fullpath}`)
 			}
 		}
-	);
+	)
 }