python os module tutorial

(Time.ctime (result)) #exists () detects if a path exists filepath = '/home/sy/download/chls ' result = os.path.exists (filepath) print (result) #isabs () detects if a path is an absolute path, path = '/boys ' result = os.path.isabs (path) print ( Result) #samefile () detects if 2 paths are the same file path1 = '/home/sy/download/001 ' path2 = '. /.. /.. /download/0"result = Os.path.samefile (path1,path2) print (result) #os. Environ used to get and

In automated operations and testing, it is often necessary to find operational files, such as locating a configuration file (thus reading the profile information), finding test reports (thus sending test report messages), frequently working with a large number of files and a large number of paths, which is dependent on the OS module for Python. Here are some comm

First, the Python OS module introductionThe OS module is simply a python system-programmed operating module that can handle files and directories that we manually need to do on a daily

Learning Python has been intermittent, and today we're going to introduce a very powerful module of python---OS, when we came to the case not using standard Python, but using the Python sibling Ipython,ipython is a

Description of common functions of OS modules in PythonThe OS modules in the Python standard library contain common operating system features. This module is especially important if you want your program to be platform-agnostic. That is, it allows a program to be written without any changes or problems, and can be run

Python 3.x Study Notes 8 (OS module and xml modification), python3.x 1. OS module operations OS. getcwd (): # view the current path. OS. listdir (path): # lists all objects in the direc

Security Code: Indifferent ChildeThe previous chapter is about Python file objects, and Python's file objects can only manipulate normal files and certain special files (such as sockets, pipelines, and so on) without manipulating the directory. The directory is part of the file system rather than the content of the file, and in Python, if you are dealing with a file system, you use the file system functiona

#/usr/bin/python#coding =utf8# @Time: 2017/11/11 3:15# @Auther: Liuzhenchuan# @File: OS module. PYimport os #1. Get the operating system type via OS Os.name = Windows is NT type, Os.name = Linux is a POSIX typeprint(os.name) #2. Executing system commandsexecuted under #在wind

OS Module features: Provides an interface to the operating system　 * os.getcwd () Gets the current working directory, which is the directory path of the current Python script workOs.chdir ("dirname") changes the current script working directory, equivalent to the shell CDOs.curdir Returns the current directory: ('. ')Os.pardir Gets the parent directory string nam

The Python OS module provides a unified operating system interface function One, for the operation of the system 1, Os.name is currently using the platform where ' NT ' is windows, ' POSIX ' is a specific path delimiter for Linux or unix2, OS.SEP output operating system. Win under "\", Linux for "/" 3, OS.PATHSEP output divider output for splitting the file path

组Splitext ()功能：将一个文件名切成名字和后缀两个部分格式：os.path.splitext(文件名称)返回值：元组（名称,后缀）GetSize ()功能：获取一个文件的大小格式:os.path.getsize(路径)返回值：整数Isfile ()功能：检测一个路径是否是一个文件格式：os.path.isfile(路径)返回值：布尔值Isdir ()功能：检测一个路径是否是一个文件夹格式：os.path.isdir(路径)返回值：布尔值Getctime ()功能：获取文件的创建时间 (get create time)格式：os.path.getctime(文件路径)返回值：时间戳浮点数Getmtime ()功能：获取文件的修改时间（get modify time）格式：os.path.getmtime(文件路径)返回值：时间戳浮点数Getatime ()功能：获取文件的访问时间（get active time）格式：os.path.getatime(文件路径)返回值：时间戳浮点数Exists ()功能：检测指定的路径是否存在格式：os.path.exists(路径)返回值：布

'))/data/temp/abc.txtDescription: Does not create3.9 File and path separation: os.path.split (path1)Example>>> path1 = Os.path.join (OS.GETCWD (), ' abc.txt ')>>> Print (Os.path.split (path1))('/data/temp ', ' abc.txt ')4.0 path and extension separated:os.path.splitext (' file ')Example>>> path1 = Os.path.join (OS.GETCWD (), ' abc.txt ')>>> Print (Os.path.splitext (path1))('/data/temp/abc ', '. txt ')4.1 file does not exist create:os.path.exists (' directory ')Example#! /usr/bin/pythonImport

There are two ways to achieve concurrency, one of which is to have each "task" or "process" work in a separate inner space, each with its own working memory area. However, while processes can be executed in a separate memory space, they are not actually run "at the same time" unless they are executed on a separate processor. The processor's time slice is assigned to a process by the operating system, and the time slice is used to exit the processor and wait for another time slice to arrive. Anot

. Path.relpath (path[, start]) # Calculates the relative path from start Os.path.samefile (path1, path2) #判断目录或文件是否相同os. Path.sameopenfile (FP1, FP2) #判断fp1和fp2是否指向同一文件os. Path.samestat (STAT1, STAT2) # Determines whether the stat tuple STAT1 and Stat2 point to the same file Os.path.split (path) #把路径分割成dirname和basename, returning a tuple os.path.splitdrive (path) #一般用在windows下, returns a tuple os.path.s

(Path) #返回path规范化的绝对路径os. Path.split (Path) #将path分割成目录和文件名二元组返回os. Path.dirname (Path) #返回path的目录. The first element of Os.path.split (path) is actually the #返回path最后的文件名 of the Os.path.basename (path). If path ends with a/or \, then a null value is returned. That is, the second element of Os.path.split (path) is #如果path存在, returns True, or Falseos.path.isabs (path) If path does

I. Overview of OS ModulesThe Python OS module contains common operating system features. This module is especially important if you want your program to be platform-agnostic. (in one's language)Second, common methods1, Os.nameThe output string indicates the platform being us

File system features: OS moduleWhen Python is programmed, it often deals with files and directories, which is not the OS module. The OS module contains common operating system features, regardless of the specific platform. The fol

One, OS moduleAn OS module is an interface that interacts with the operating system1 #!/usr/bin/env python2 #_*_coding:utf-8_*_3 4 " "5 Os.walk () displays all files and subdirectories in the directory as Ganso, the first is the directory, the second is the folder, the third is the file6 Open (R ' Tmp\inner\file ', W) create file7 OS.GETCWD () Gets the current wo

So the Python author daoteng the OS module with the OS module, we don't have to worry about what the operating system is using, and the OS module will help you choose the right

When Python is programmed, it often deals with files and directories, which is not the OS module. The OS module contains common operating system features, regardless of the specific platform. The following list of commonly used commands1. Os.name ()--judging the platform tha