Iterating Through Directories And Checking The File's Size

I want to iterate through directories, and subdirectories, and check each file for a filesize. If it matches the defined filesize, it will be deleted. I know, that i have to use o

Solution 1:

Try this:

import osfor root, dirs, files inos.walk('/path/to/dir', topdown=False):
    for name in files:
        f = os.path.join(root, name)
        ifos.path.getsize(f) == filesize:
            os.remove(f)

Solution 2:

This should work:

from __future__ import print_function # => For Python 2.5 - 2.7
import os

def delete_files_with_size(dirname, size):
    for root, _, files inos.walk(dirname):
        for filename in files:
            filepath = os.path.join(root, filename)
            ifos.path.getsize(filepath) == size:
                print('removing {0}'.format(filepath))
                os.remove(filepath)

Like you said, os.walk is the way to go for this sort of thing. os.walk returns a tuple containing the root path, a list of directories, and a list of files. Since we're not interested in directories, we use the conventional _ variable name when unpacking the return value.

Since the filename itself doesn't include the path, you can use os.path.join with root and filename. os.path.getsize will return the size of the file, and os.remove will delete that file if it matches the size.