check if a file exists code example

Example 1: how to check whether file exists in python

import os.path

if os.path.isfile('filename.txt'):
    print ("File exist")
else:
    print ("File not exist")

Example 2: how to check if a file exists in python

# Python program to explain os.path.exists() method   
      
# importing os module   
import os  
    
# Specify path  
path = '/usr/local/bin/'
    
# Check whether the specified  
# path exists or not  
isExist = os.path.exists(path)  
print(isExist)  
    
    
# Specify path  
path = '/home/User/Desktop/file.txt'
    
# Check whether the specified  
# path exists or not  
isExist = os.path.exists(path)  
print(isExist)  

# credit to geeksforgeeks.com at
# https://www.geeksforgeeks.org/python-check-if-a-file-or-directory-exists/

Example 3: check if a file exists

>>> import os
>>> os.path.isfile("d:\\Package1\\package1\\fibo.py")
True
>>> os.path.isfile("d:/Package1/package1/fibo.py")
True
>>> os.path.isfile("d:\\nonexisting.txt")

Example 4: if file exist

file_exists ( string $filename ) : bool