python學習--標準庫之os 執行個體（3）

標籤：size   bin   ls -l   日期   python   pre   usr   strftime   /usr   

#!/usr/bin/env python3# -*- coding: utf-8 -*-#列出目前的目錄下檔案的大小和建立日期及檔案名稱，相當於ls -l命令from datetime import datetimeimport ospwd = os.path.abspath(‘.‘)print(‘      Size     Last Modified  Name‘)print(‘------------------------------------------------------------‘)for f in os.listdir(pwd):    f_size = os.path.getsize(f)    if f_size > 1024:        k_size = round(f_size / 1024, 1)        f_size = str(k_size) + ‘K‘        if k_size > 1024:            m_size = round(k_size / 1024, 1)            f_size = str(m_size) + ‘M‘            if m_size > 1024:                g_size = round(m_size / 1024, 1)                f_size = str(g_size) + ‘G‘    else:        f_size = str(f_size) + ‘B‘    mtime = datetime.fromtimestamp(os.path.getmtime(f)).strftime(‘%Y-%m-%d %H:%M‘)    flag = ‘/‘ if os.path.isdir(f) else ‘‘    ‘‘‘if os.path.isdir(f):        t = ‘/‘    else:        t = ""    ‘‘‘    #print(‘%10d  %s  %s%s‘ % (fsize, mtime, f, flag))    print("{:>10}{:^20}{}{}".format(f_size, mtime, f, flag))

 

python學習--標準庫之os 執行個體（3）