Change brackets to parentheses in filename

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2 min read

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22-10-2024

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Managing files on your computer can often lead to a messy collection of different file types, each with their own naming conventions. One common scenario arises when brackets ([]) are used in filenames, and you want to change them to parentheses (()). This task might seem simple but can become tedious if done manually for a large batch of files.

Let’s consider a scenario where you have the following filenames:

file[1].txt
file[2].txt
data[2022].csv
report[final].pdf

You want to rename these files so that they look like this:

file(1).txt
file(2).txt
data(2022).csv
report(final).pdf

Solution: Python Script to Rename Files

You can automate this process using a simple Python script. Here’s the original code that can change brackets to parentheses in filenames:

import os

# Path to the directory containing the files
directory = '/path/to/your/files/'

# Loop through each file in the directory
for filename in os.listdir(directory):
    if '[' in filename and ']' in filename:
        # Create a new filename by replacing brackets with parentheses
        new_filename = filename.replace('[', '(').replace(']', ')')
        
        # Construct the full path for the old and new filename
        old_file = os.path.join(directory, filename)
        new_file = os.path.join(directory, new_filename)
        
        # Rename the file
        os.rename(old_file, new_file)
        print(f'Renamed: {filename} to {new_filename}')

Analysis of the Code

1. Importing the OS Module: This module is essential for interacting with the operating system and allows us to list files and rename them easily.

2. Defining the Directory: Change the value of directory to the path where your files are stored.

3. Looping Through Filenames: The script checks each file in the specified directory. If a filename contains brackets, it replaces them with parentheses.

4. Renaming Files: Using os.rename(), the script performs the actual renaming operation. It also provides feedback on what files have been renamed.

Additional Explanation

This approach is highly efficient, especially for users dealing with a large number of files. Instead of changing each filename manually, the Python script automates the process, reducing human error and saving time.

Practical Example

Imagine you're a photographer with hundreds of images categorized by date or event. Your filenames might look like this:

family_photos[2021].jpg
vacation_pics[summer].jpg

By running the above script, you can effortlessly transform all filenames to:

family_photos(2021).jpg
vacation_pics(summer).jpg

Useful Resources

• Python Official Documentation
• OS Module Documentation
• Learn Python with Codecademy

Conclusion

Changing brackets to parentheses in filenames can be easily achieved through a simple Python script. This method not only ensures accuracy but also saves time for those managing multiple files. As digital file management continues to grow in importance, mastering such simple coding techniques can be immensely beneficial.

By implementing this strategy, you can keep your files organized and in the desired format with ease. Happy coding!