What is the python os.close() method? What can os.close do?

In today’s article, we will learn about the python os.close() method. In the next article, I will introduce the close( in python ) Method, maybe you have never seen or used this method, but it doesn’t matter, I will introduce this method well in this article.

Overview

The os.close() method is used to close the specified file descriptor fd.

Grammar

The syntax format of the close() method is as follows:

os.close(fd);

Parameters

## fd – file descriptor.

(This method has no return value.)

Example

The following example demonstrates the use of the close() method:

#!/usr/bin/python
# -*- coding: UTF-8 -*-
import os, sys
# 打开文件
fd = os.open( "foo.txt", os.O_RDWR|os.O_CREAT )
#  写入字符串
os.write(fd, "This is test")
# 关闭文件
os.close( fd )
print "关闭文件成功!!"

The output result of executing the above program is:

关闭文件成功!!

The above is all the content of this article. I hope what I said and the examples I gave can be helpful to you.

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