r"""OS routines for NT or Posix depending on what system we're on. This exports: - all functions from posix or nt, e.g. unlink, stat, etc. - os.path is either posixpath or ntpath - os.name is either 'posix' or 'nt' - os.curdir is a string r…
os与sys模块的官方解释如下: os: This module provides a portable way of using operating system dependent functionality. 这个模块提供了一种方便的使用操作系统函数的方法. sys: This module provides access to some variables used or maintained by the interpreter and to functions that intera…
15.1. os - Miscellaneous operating system interfaces This module provides a portable way of using operating system dependent functionality. If you just want to read or write a file see open(), if you want to manipulate paths, see the os.path module,…
python操作文件库不需要安装其他module,文件操作类库是python语言自身支持的操作. 判定文件是否存在:os.path.isfile(filePath) import os import sys if __name__=='__main__': filePath='d:\\FTP\\HUAWEI\\1.txt' if os.path.isfile(filePath): #os.remove() will remove a file. #os.rmdir() will remove a…