Random Filename Generator with Extension

The function is used to generate a unique filename, consisting of a random number and a specified extension. If the generated filename already exists, it will keep generating new random numbers until a unique filename is found.

Technology Stack : os, random

Code Type : File operation

Code Difficulty : Intermediate

                
                    
import os
import sys
import random

def generate_random_filename(directory, extension):
    unique_filename = os.path.join(directory, f"{random.randint(1000, 9999)}{extension}")
    while os.path.exists(unique_filename):
        unique_filename = os.path.join(directory, f"{random.randint(1000, 9999)}{extension}")
    return unique_filename