Delete files recursively. I used this to delete all Spanish/German copies of text from my past papers archive.

del.py

 import os                                                                                                     
 import fnmatch                                                                                                
 import sys                                                                                                    
                                                                                                               
 def delete_files(patterns, directory="."):                                                                    
     if len(patterns) == 0:                                                                                    
         print("No patterns specified.")                                                                       
         sys.exit(1)                                                                                           
                                                                                                               
     if not os.path.isdir(directory):                                                                          
         print(f"Directory {directory} does not exist.")                                                       
         sys.exit(1)                                                                                           
                                                                                                               
     for root, dirs, files in os.walk(directory):                                                              
         for name in files:                                                                                    
             for pat in patterns:                                                                              
                 if pat in name:                                                                               
                     try:                                                                                      
                         os.remove(os.path.join(root, name))                                                   
                         print(f"File {os.path.join(root, name)} has been deleted.")                           
                     except OSError as e:                                                                      
                         print(f"Error: {e.filename} - {e.strerror}.")                                         
                                                                                                               
 if __name__ == "__main__":                                                                                    
     if len(sys.argv) < 2:                                                                                     
         print("Usage: delete_files.py patterns")                                                  
         sys.exit(1)                                                                                           
                                                                                                               
     patterns = sys.argv[1:]                                                                                   
     delete_files(patterns)