find imgs -mtime  > feb_files.txt

#!/usr/bin/env python

# coding=utf-8

# Date: 2018-02-01

import os

import codecs

def copy_files(fin):

    src_dir = '/home/xxx/imgs/'

    dst_dir = '/home/xxx/imgs_feb1st/'

    with codecs.open(fin, 'r', 'utf-8') as fr:

        for idx, line in enumerate(fr):

            fname = line.strip().split('/')[1]

            os.system('cp %s %s' % (os.path.join(src_dir, fname), (os.path.join(dst_dir, fname))))

            if idx % 10000 == 0: print idx

    print 'done', idx

copy_files('feb_files.txt')