A little script that deletes all unwanted files from a specified path. Note that in it's current form it recursively enters all sub-directories. Example usage: 'python pirahna.py -p /home/bob/Music -x .db,.ini'

pirahna.py

#! /usr/bin/env python

# Source is released under the MIT License 
# See 'http://opensource.org/licenses/MIT' for more info

# Please be careful with this script! I take no responsibility 
# for the accidental deletion of files resulting from use of it :)

import os
import sys
import getopt

def chomp_files(path, ext_list):
    file_list = os.listdir(path)

    for filename in file_list:
        current_ext = os.path.splitext(filename)[1]
        if os.path.isdir(os.path.join(path, filename)):
            print("Entering " + filename)
            chomp_files(os.path.join(path, filename), ext_list)
        else:            		
            if (current_ext in ext_list):                
                os.remove(os.path.join(path, filename))
                print("Deleted " + filename)                
 

if __name__ == "__main__":

    usage = 'Usage: pirhana.py -p <path> -x <.ext1,.ext2,.etc>'    
    ext_list = []
    path = ''
    
    try:
	    # grab the command line options and arguments
        opts, args = getopt.getopt(sys.argv[1:],"p:x:") 
    except getopt.GetoptError:
        print(usage)
        sys.exit(2)
    
    for o, a in opts:        
        if o == "-x":
            ext_list = a.split(',') # grab the list of extensions
        elif o == "-p":
            path = a  # grab the starting path
    
    # no params? Print error and bomb out
    if len(ext_list) == 0 or len(path) == 0:
        print(usage)
        sys.exit()

    chomp_files(path, ext_list)