How to count files in a current directory in Python?

In order to count files in current directory (where your python script is located), you can run following code:

import os
files = [f for f in os.listdir('.') if os.path.isfile(f)]

number_of_files = 0
for f in files:
    number_of_files += 1

print(number_of_files)

In order to show, how many files located in currect directory, I've used linux command ls. And then I started python script to show, how it counts the number of files in directory.

In definition of "files" variable you can see several python commands, combined into one row: os.listdir() provides the list of files in location you provide (in our case: '.' as a current directory), then we have to be sure, that we count only files and not sub-directories. To do that we have to loop files object and count it.

This is output:

ls
dics.py  files.py  levyi  levyi.py  test01.py  translitgeo.py

python files.py
6

Keep in mind, that files is a list. In case you don't know, which type is a variable you create, you can use type method and then check in official Python documentation, how to work with it. In our case we can check it very easy:

import os
files = [f for f in os.listdir('.') if os.path.isfile(f)]

print(type(files))

and get following output:

<type 'list'>