How can you get the size of a file in bytes?

Question

Utpal Vishwas · Answer

To get the size of a file in bytes in C#, you can use the 
FileInfo class from the System.IO namespace.
Example: Get File Size in Bytes
using System;
using System.IO;
class Program
{
    static void Main()
    {
        string filePath = @"C:\example\myfile.txt";
        if (File.Exists(filePath))
        {
            FileInfo fileInfo = new FileInfo(filePath);
            long sizeInBytes = fileInfo.Length;
            Console.WriteLine($"File size: {sizeInBytes} bytes");
        }
        else
        {
            Console.WriteLine("File does not exist.");
        }
    }
}
Notes:
FileInfo.Length returns the size in bytes as a 
long.Always check if the file exists to avoid exceptions.
Convert to KB/MB (Optional):
double sizeInKB = sizeInBytes / 1024.0;
double sizeInMB = sizeInBytes / (1024.0 * 1024.0);

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How can you get the size of a file in bytes?

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Example: Get File Size in Bytes

Notes:

Convert to KB/MB (Optional):

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