Add files via upload

example.txt

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+You are awesome

filenames.txt

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+["example.txt"]

index.js

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+const fs = require('fs');
+const yargs = require('yargs');
+
+// Load filenames from `filenames.txt` if it exists
+let filenames = [];
+const filenamesPath = 'filenames.txt';
+
+if (fs.existsSync(filenamesPath)) {
+    const data = fs.readFileSync(filenamesPath, 'utf-8');
+    filenames = data ? JSON.parse(data) : [];
+}
+
+// Configure yargs to take a filename as input
+const argv = yargs
+    .option('filename', {
+        alias: 'f',
+        type: 'string',
+        description: 'Name of the file to create',
+        demandOption: true,
+    })
+    .help()
+    .argv;
+
+const newFilename = argv.filename;
+
+// Check if the file already exists
+if (filenames.includes(newFilename)) {
+    console.log(`The file "${newFilename}" already exists. Please provide a new filename.`);
+} else {
+    // Write 'You are awesome' to the new file
+    fs.writeFileSync(newFilename, 'You are awesome', 'utf-8');
+    console.log(`File "${newFilename}" created successfully!`);
+
+    // Add the new filename to the array
+    filenames.push(newFilename);
+
+    // Save updated filenames to `filenames.txt`
+    fs.writeFileSync(filenamesPath, JSON.stringify(filenames), 'utf-8');
+    console.log('Updated filenames list saved to filenames.txt.');
+}

package.json

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+{
+  "name": "assignment-1",
+  "version": "1.0.0",
+  "description": "assignment 1",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "vikrant",
+  "license": "ISC",
+  "dependencies": {
+    "yargs": "^17.7.2"
+  }
+}