5um basic

5um.ts

import fs from 'fs/promises';

const sumBytesHexadecimal = async (inputFile: string) => {
  try {
    const outputFile = `${inputFile}.5um`;
    const data = await fs.readFile(inputFile);

    // Asegurarse de que la longitud sea múltiplo de 4
    const paddedLength = Math.ceil(data.length / 4) * 4;
    const paddedData = Buffer.alloc(paddedLength);
    data.copy(paddedData);

    const uint32Array = new Uint32Array(paddedData.buffer);
    let sum = 0;

    for (let i = 0; i < uint32Array.length; i++) {
      sum += uint32Array[i];
    }

    const hexSum = sum.toString(16);
    await fs.writeFile(outputFile, hexSum);
    console.log(`Hexadecimal sum of bytes written to ${outputFile}: ${hexSum}`);
  } catch (error) {
    console.error('An error occurred:', error);
  }
};

console.time('Execution Time');
sumBytesHexadecimal('text.txt').then(() => {
  console.timeEnd('Execution Time');
});