Question

How to generate random file name in C#

Answer 1

using System;
using System.IO;

// random name with an extension

public class Program
{
    public static void Main(string[] args)
    {
        string fileName = Path.GetRandomFileName();
 
        Console.WriteLine(fileName);
    }
}



/*
run:
    
ox2y2dto.vqf

*/

 

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Answer 2

using System;
using System.IO;

// random name without an extension

public class Program
{
    public static void Main(string[] args)
    {
        string fileName = Path.GetRandomFileName().Replace(".", "");
        
        Console.WriteLine(fileName);
    }
}


/*
run:

n8aqfpodh90

*/

 

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Answer 3

using System;

// unique filename with a specific extension
 
public class Program
{
    public static void Main(string[] args)
    {
        string fileName = $"{Guid.NewGuid()}.txt";
         
        Console.WriteLine(fileName);
    }
}
 
 
/*
run:
 
45380e1e-0bb3-4e12-a57b-e82e0f491981.txt
 
*/

 

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