diff --git a/file.js b/file.js
index 963d939..0286409 100644
--- a/file.js
+++ b/file.js
@@ -14,8 +14,6 @@ let pdfFile = process.argv[3];
 // excel2 => /Users/ddatinguinoo/Downloads/Estratto Haccp IPP 5 (1).xlsx
 // pdf1 => /Users/ddatinguinoo/Downloads/G-S IPP 5.pdf
 // pdf2 => /Users/ddatinguinoo/Downloads/H IPP 5.pdf
-const data = []; // contains the info of all the clients
-const tempFilePath = []; // contains the temp files 
 
 const authConfig = {
     sfdcTokenFile: process.env.SFDC_TOKEN_FILE, // Path to store/retrieve OAuth tokens
@@ -53,13 +51,13 @@ function escapeSoql(str) {
 // the pdf files contain the identifying ids of the users such as 'Codice Fiscale' (CF) and we use them to attach
 // the page/pages to the specific account that has that id. If CFs are not available we search based on the
 // name an lastname of the user
-async function attachPdfToAccount(sfdc) {
+async function attachPdfToAccount(sfdc, temFiles) {
     let parser;
     try {
         let contentVersion;
-        for (let i = 0; i < tempFilePath.length; i++) {
+        for (let i = 0; i < temFiles.length; i++) {
             // 1. Read the local PDF file and convert it to Base64
-            const pdfBuffer = fs.readFileSync(tempFilePath[i]); 
+            const pdfBuffer = fs.readFileSync(temFiles[i]); 
             const base64Pdf = pdfBuffer.toString('base64');
             parser = new PDFParse({ data: pdfBuffer });
             try {
@@ -119,7 +117,7 @@ async function attachPdfToAccount(sfdc) {
 }
 
 // here we create an Account for each client and upload their pdf file 
-async function uploadUserAccount() {
+async function uploadUserAccount(data) {
     await initializeSalesforceConnection();
 
     // now for each client we need to create an Account on Salesforce Sandbox
@@ -141,7 +139,7 @@ async function uploadUserAccount() {
     }
 }
 // this is where i need to store each page in a temporary pdf file
-async function processPage(pdfDoc, pageIndex) {
+async function processPage(pdfDoc, pageIndex, tempFiles) {
     try {
         const newDoc = await PDFDocument.create();
         const [ copiedPage ] = await newDoc.copyPages(pdfDoc, [pageIndex]);
@@ -150,7 +148,7 @@ async function processPage(pdfDoc, pageIndex) {
 
         const filepath = path.join(os.tmpdir(), `fileTemp_page_${pageIndex}.pdf`);
         fs.writeFileSync(filepath, pdfBytes);
-        tempFilePath.push(filepath);
+        tempFiles.push(filepath);
     }
     catch (error) {
         console.error('Error in processPage:', error);
@@ -160,6 +158,7 @@ async function processPage(pdfDoc, pageIndex) {
 async function splitExcelFile(inputFile) {
     let numRows; // this parameter is needed when we need to analyze the pdf file in case it has duplicate pages
     const columnNames = []; // contains the names of the columns (header names)
+    const data = []; // contains the info of all the clients 
 
     try {
         console.log(`Loading excel file: ${ inputFile }\n`);
@@ -221,14 +220,14 @@ async function splitExcelFile(inputFile) {
                 })
             data.push(dataUser);
         }
-        return numRows;
+        return { numRows, data };
     }
     catch (error) {
         console.error('Error processing the excel file: ', error);
     }
 }
 
-async function splitPDF(numRows, inputFile) {
+async function splitPDF(numRows, inputFile, tempFiles) {
     console.log(`Loading pdf file: ${ inputFile }...\n`);
     let parser;
 
@@ -256,7 +255,7 @@ async function splitPDF(numRows, inputFile) {
                 console.log(result.pages[i].text);
                 console.log("\n");*/
 
-                await processPage(srcPdf, i);
+                await processPage(srcPdf, i, tempFiles);
                 displayNumPage++;
             }
         }
@@ -265,7 +264,7 @@ async function splitPDF(numRows, inputFile) {
                 /*console.log(`--- PAGE ${i + 1} ---`);
                 console.log(result.pages[i].text);  
                 console.log("\n");*/
-                await processPage(srcPdf, i); // Pass 0-based index i
+                await processPage(srcPdf, i, tempFiles); // Pass 0-based index i
             }
         }
     } 
@@ -280,15 +279,15 @@ async function splitPDF(numRows, inputFile) {
 }
 
 // cleans up temporary files from OS temp directory
-function cleanUp() {
-    tempFilePath.forEach((file) => {
+function cleanUp(tempFiles) {
+    tempFiles.forEach((file) => {
         try {
             if (fs.existsSync(file)) {
                 fs.unlinkSync(file);
             }
         }
         catch (err) {
-            console.log(`Failed in deleting the temporary file ${ file }: `, err);
+            console.error(`Failed in deleting the temporary file ${ file }: `, err);
         }
     })
 }
@@ -298,32 +297,42 @@ async function main() {
         console.error('Error: Please provide both Excel and PDF paths.\nUsage: node script.js <path-to-excel> <path-to-pdf>');
         process.exit(1);
     }
-    const result = await splitExcelFile(excelFile);
-    await splitPDF(result, pdfFile);
-    const rl = readline.createInterface({ input, output });
-    let reply = '';
 
+    const tempFilePath = []; // contains the temp files
+    let resultExcel;
     try {
-        while(!reply) {
-            const response = await rl.question('Do you want to create accounts or upload pages (accounts/pages)? ');
-            reply = response.trim();
+        resultExcel = await splitExcelFile(excelFile);
+        await splitPDF(resultExcel.numRows, pdfFile, tempFilePath);
+        const rl = readline.createInterface({ input, output });
+        let reply = '';
 
-            if (!reply) {
-                console.log('Please try again!');
+        try {
+            while(!reply) {
+                const response = await rl.question('Do you want to create accounts or upload pages (accounts/pages)? ');
+                reply = response.trim();
+
+                if (!reply) {
+                    console.log('Please try again!');
+                }
+            }
+
+            if (reply === 'accounts') {
+                await uploadUserAccount(resultExcel.data);
+            }
+            else if (reply === 'pages') {
+                await initializeSalesforceConnection();
+                await attachPdfToAccount(sfdc, tempFilePath);
             }
         }
-
-        if (reply === 'accounts') {
-            await uploadUserAccount();
-        }
-        else if (reply === 'pages') {
-            await initializeSalesforceConnection();
-            await attachPdfToAccount(sfdc);
+        finally {
+            rl.close();
         }
     }
+    catch (err) {
+        console.error('An error occurred in main: ', err);
+    }
     finally {
-        rl.close();
-        cleanUp();
+        cleanUp(tempFilePath);
     }
 }