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const dotenv = require('dotenv');

// Load environment variables from .env file
dotenv.config();

// Parse command-line arguments manually
const args = process.argv.slice(2);

// Initialize `nameUser` to "unknown user"
let nameUser = "unknown user";

// Check if `--name` is present in the arguments
const nameIndex = args.indexOf('--name');
if (nameIndex !== -1 && args[nameIndex + 1] && !args[nameIndex + 1].startsWith('--')) {
    // Use the value following `--name` if it exists and is not another argument
    nameUser = args[nameIndex + 1];
} else if (process.env.NAME) {
    // Use the value from `.env` file if `--name` is not provided
    nameUser = process.env.NAME;
}

// Output the greeting
console.log(`Hello, ${nameUser}!`);