Using the os module for high-level file operations such as iterating, moving, copying, and deleting files and directories.

Using the os module for high-level file operations such as iterating, moving, copying, and deleting files and directories.

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3 min read

The os package in Python provides a wide range of functionalities for interacting with the operating system. One of the most commonly used aspects of this package is its ability to perform file and folder operations such as iteration, deletion, creation, moving, and opening. In this article, we'll explore how to utilize the os package for these tasks.

iterate through all the items within a folder

You can use the os package in Python to iterate through all the items within a folder using the os.listdir() method. And You can use the os.path.join function to concatenate the folder path with each item in the folder to get the absolute path. Here's an example of how to do it:

import os

# Replace 'folder_path' with the path of the folder you want to iterate through
folder_path = 'path_to_folder'

# Iterate through all items in the folder
for item in os.listdir(folder_path):
        print(item) 
        # Get the absolute path of the item
        item_path = os.path.join(folder_path, item) 
        # Display the absolute path of the item
        print(item_path)

In this example, os.listdir(folder_path) returns a list of all the items (files and subfolders) in the specified folder. You can then iterate through this list and perform any operations you need for each item.

Remember to replace 'path_to_folder' with the actual path of the folder you want to iterate through.

Deleting Files and Folders

The os package provides methods to delete both files and folders. Here's how you can achieve this:

To delete a file:

import os
os.remove('file_path/file.txt')

To delete an empty folder:

import os
os.rmdir('folder_path')  # Replace with the actual folder path

To delete a non-empty folder and all its contents:

import shutil
shutil.rmtree('folder_path')  # Replace with the actual folder path

Remember to replace 'file_path/file.txt' and 'folder_path' with the actual paths of the file or folder you want to delete. Use these functions with caution as they will permanently delete the specified files or folders.

Creating Folders

Creating a new folder using the os package is straightforward:

import os
os.mkdir('new_folder')  # Replace with the desired folder name

Moving and Renaming Files/Folders

The os package allows us to move and rename files and folders as well. Here's an example of moving a file:

import os
os.rename('old_location/file.txt', 'new_location/file.txt')

Opening Files and Folders

You can also open a folder in the default file explorer using the os package. For instance, to open a folder in the File Explorer (Windows):

import os
os.startfile('folder_path')  # Replace with the actual folder path

Conclusion

The os package in Python offers powerful capabilities for file and folder operations, allowing developers to efficiently manage file system tasks within their applications. By utilizing the methods provided by the os package, you can seamlessly iterate, delete, create, move, and open files and folders in your Python programs.


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