Python

List all files with Python

January 21, 2022

List all files with Python

In this article, we will learn how to list all files with Python and in a simple way, using resources from libraries that already exist in the language.

List all files with Python cover

Hey you all programmers, okay? Let’s learn more about Python!

We have two widely used alternatives to list files in Python, the first is using listdir

A native library, which will help us with this function.

Let’s see a practical example:

from os import listdir
from os.path import isfile, join

path = './'

files = [f for f in listdir(path) if isfile(join(path, f))]

print(files )

Here we basically import the listdir library, and create a variable for path, which is the path or directory we want to check the files

Then we store a loop that will iterate through all the files in that path, returning us a list with their names, in the files variable

Finally we print the file list

Another well-used way for this purpose is using the walk library of the OS set.

The idea is very similar, let’s see this  practical example:

path = './'

files = []

for (dirpath, dirnames, filenames) in walk(path):
 files.extend(filenames)
 break

print(files)

We also created variables for the path of the files and one to store their name, which is the files

Then we do the for in the walk function, notice that this way we can extract the directories, not just the files as well.

And finally the result is printed with print method

Conclusion

In this article we learned  how to list all files with Python

Using two different methods, which are quite popular, the first method was using the listdir library.

The second was the turn of OS.walk, where we learned  that it is  also possible to retrieve the name of the actual directories 

Want to learn more about Python? Click here!

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