change-filename.py

from pathlib import Path
import re

# Specify the directory you want to rename files in
directory = Path(r"C:\Users\mahmad\OneDrive - Ryan RTS\resources")

# Function to add dashes before letters, remove special characters, and replace whitespace with dashes
def add_dashes(name):
    # Replace spaces and underscores with dashes
    name_with_dashes = re.sub(r'[ _]+', '-', name)  # Only replace whitespace and underscores with dashes
    
    # Remove special characters * ' " `
    clean_name = re.sub(r"[*'\"`]", '', name_with_dashes)
    
    return clean_name.lower()  # Convert the entire name to lowercase

# Function to remove extra dashes ("--")
def remove_extra_dash(filename):
    if "--" in filename:
        filename = filename.replace("--", "-", 1)  # Replace first occurrence of "--"
    return filename

# Loop through all files in the directory
for file in directory.iterdir():
    if file.is_file() and file.suffix.lower() in ('.txt', '.xlsx', '.docx', '.md', '.py', '.sql', '.ipynb', 
                                                  '.png', '.jpg', '.gif', '.jpeg', '.vsdx', '.pdf', '.html', 
                                                  '.csv', '.epub'):
        # Convert the file name
        name, ext = file.stem, file.suffix  # Extract name and extension
        new_filename = add_dashes(name) + ext.lower()  # Apply transformations to the filename and convert extension to lowercase
        
        # Remove extra dashes
        new_filename = remove_extra_dash(new_filename)
        
        # Define new path and rename
        new_path = file.with_name(new_filename)
        file.rename(new_path)
        print(f"Renamed: {file.name} -> {new_filename}")