#!/usr/bin/env node

const { program } = require('commander');

program

.option('-f, --file <filename>', 'Specify input file')

.option('-o, --output <filename>', 'Specify output file')

.option('-v, --verbose', 'Enable verbose output');

program.parse(process.argv);

const options = program.opts();

function processOptions() {

try {

// Fallback: Use default values if options are not provided

const inputFile = options.file || 'default_input.txt';

const outputFile = options.output || 'default_output.txt';

const verbose = options.verbose || false;

console.log(`Processing file: ${inputFile}, Outputting to: ${outputFile}`);

if (verbose) {

console.log("Verbose mode enabled");

}

// Your main script logic here

console.log("Running the script...");

} catch (error) {

// Handle errors during option processing

console.error("Error processing command-line options:", error.message);

console.log("Using default values as fallback.");

// Fallback: Use default values if an error occurs

const inputFile = 'default_input.txt';

const outputFile = 'default_output.txt';

const verbose = false;

console.log(`Processing file: ${inputFile}, Outputting to: ${outputFile}`);

if (verbose) {

console.log("Verbose mode enabled");

}

// Your main script logic here

console.log("Running the script with fallback values...");

}

}

processOptions();