How Can I Determine a File\'s Size in Python?

Determining File Size in Python

Measuring the size of a file is a common task in programming. Python provides a straightforward method for accomplishing this through its os.path module.

Solution:

To check the size of a file in Python, you can utilize the os.path.getsize() function. This function takes a file path as an argument and returns the file's size in bytes.

Implementation:

The following code snippet demonstrates how to use os.path.getsize() to retrieve a file's size:

import os

# Provide the path to the file whose size you want to determine.
file_path = "/path/to/file.mp3"

try:
    # Use os.path.getsize() to obtain the file size.
    file_size = os.path.getsize(file_path)
    print("File size:", file_size, "bytes")
except FileNotFoundError:
    print("Error: File not found.")

Additional Points:

• The output of os.path.getsize() is in bytes.
• You can convert the size from bytes to a more human-readable format using appropriate units (e.g., kilobytes, megabytes, etc.).
• For efficiency, you can store the size of frequently Accessed files for later use, preventing multiple file system calls.

The above is the detailed content of How Can I Determine a File\'s Size in Python?. For more information, please follow other related articles on the PHP Chinese website!