Programa Separador De Archivos En C#

using System;
using System.IO;

class FileSplitter
{
    // Main method where the program starts execution
    static void Main(string[] args)
    {
        // Check if the user provided the correct number of arguments
        if (args.Length != 2)
        {
            Console.WriteLine("Usage: split  ");
            return;
        }

        // Get the input file name and chunk size from the arguments
        string inputFileName = args[0];
        int chunkSize;

        // Try to parse the chunk size to an integer
        if (!int.TryParse(args[1], out chunkSize) || chunkSize <= 0)
        {
            Console.WriteLine("Please enter a valid chunk size (positive integer).");
            return;
        }

        // Check if the input file exists
        if (!File.Exists(inputFileName))
        {
            Console.WriteLine("The specified file does not exist.");
            return;
        }

        try
        {
            // Open the input file using FileStream
            using (FileStream inputFile = new FileStream(inputFileName, FileMode.Open, FileAccess.Read))
            {
                // Get the total size of the input file
                long fileSize = inputFile.Length;

                // Calculate the number of chunks needed
                int chunkCount = (int)Math.Ceiling((double)fileSize / chunkSize);

                // Loop through and create the chunks
                for (int i = 0; i < chunkCount; i++)
                {
                    // Generate the name for the new chunked file (e.g., file.exe.001)
                    string outputFileName = $"{inputFileName}.{i + 1:D3}";

                    // Open the output file with FileStream to write the chunk
                    using (FileStream outputFile = new FileStream(outputFileName, FileMode.Create, FileAccess.Write))
                    {
                        // Calculate how many bytes to read in this chunk
                        int bytesToRead = (i < chunkCount - 1) ? chunkSize : (int)(fileSize - i * chunkSize);

                        // Buffer to hold the chunk data
                        byte[] buffer = new byte[bytesToRead];

                        // Read the data into the buffer
                        inputFile.Read(buffer, 0, bytesToRead);

                        // Write the buffer to the output file
                        outputFile.Write(buffer, 0, bytesToRead);
                    }

                    // Output progress message
                    Console.WriteLine($"Created: {outputFileName}");
                }

                // Indicate completion of the process
                Console.WriteLine("File split completed successfully.");
            }
        }
        catch (Exception ex)
        {
            // Handle any exceptions that may occur during file processing
            Console.WriteLine("An error occurred: " + ex.Message);
        }
    }
}

 Output

//For example, if you run the program on a file named myFile.exe of size 4500 bytes with a chunk size of 2000 bytes, the output files will be:
Created: myFile.exe.001
Created: myFile.exe.002
Created: myFile.exe.003
File split completed successfully.