Scan dir recursively and report total size of all files matching glob pattern

total_size_recursive.py

import os
import glob

from pathlib import Path

def total_size(dir):
    """Scan dir recursively and report total size of all files matching glob pattern"""
    total_size = 0
    last_reported = ''
    for f in glob.iglob(dir, recursive=True):
        #print(f)
        total_size = total_size + os.path.getsize(f)
        readable = sizeof_fmt(total_size)
        if (readable != last_reported):
            print(readable)
        last_reported = readable


def sizeof_fmt(num, suffix='B'):
    for unit in ['','Ki','Mi','Gi','Ti','Pi','Ei','Zi']:
        if abs(num) < 1024.0:
            return "%3.1f%s%s" % (num, unit, suffix)
        num /= 1024.0
    return "%.1f%s%s" % (num, 'Yi', suffix)