import os
import sys

# Function to replace backslashes in filenames within a directory
def replace_backslash(directory):
    # Traverse through the directory and its subdirectories
    for root, _, files in os.walk(directory):
        for filename in files:
            # Check if the filename contains a backslash
            if "\\" in filename:
                # Construct the full file path
                file_path = os.path.join(root, filename)

                # Replace backslashes with a special character ("⧹") in the filename
                new_filename = filename.replace("\\", "⧹")

                # Construct the new file path with the modified filename
                new_file_path = os.path.join(root, new_filename)

                # Rename the file with the modified filename
                os.rename(file_path, new_file_path)

                # Print the renaming operation details
                print(f"Renamed {file_path} to {new_file_path}")

# Entry point of the script
if __name__ == "__main__":
    # Check if the correct number of command-line arguments is provided
    if len(sys.argv) != 2:
        print("Usage: python rename_backslash.py <directory_path>")
    else:
        directory_path = sys.argv[1]  # Get the directory path from command-line argument

        # Check if the specified directory exists
        if not os.path.exists(directory_path):
            print("Directory not found.")
        else:
            # Call the function to replace backslashes in filenames within the directory
            replace_backslash(directory_path)