flush python

文件flush()方法 (File flush() Method)

flush() method is an inbuilt method in Python, it is used to clear/flush the internal buffer, it is best practice while working with fila handling in Python, the internal buffer can be cleared before writing/appending the new text to the file.

flush()方法是Python中的內(nèi)置方法，用于清除/刷新內(nèi)部緩沖區(qū)，這是在Python中處理fila處理時(shí)的最佳實(shí)踐，可以在將新文本寫(xiě)入/添加到文件之前清除內(nèi)部緩沖區(qū)。

Syntax:

句法：

file_object.flush()

Parameter(s):

參數(shù)：

• It does not accept any parameter.

  它不接受任何參數(shù)。

Return value:

返回值：

The return type of this method is <class 'NoneType'>, it returns nothing.

此方法的返回類型為<class'NoneType'> ，它什么也不返回。

Example:

例：

# Python File flush() Method with Example# creating a file myfile = open("hello.txt", "w")# writing text to the file myfile.write("Hello friends, how are you?")# flushing the internal buffer myfile.flush() # writing the text again myfile.write("\nI am good, what about you?")# flushing the internal buffer myfile.flush() # writing the text again myfile.write("\nI am good too, thanks!")# closing the file myfile.close()# reading content from the file myfile = open("hello.txt", "r") print("file content...") print(myfile.read()) myfile.close()

Output

輸出量

file content... Hello friends, how are you?I am good, what about you? I am good too, thanks!

翻譯自: https://www.includehelp.com/python/file-flush-method-with-example.aspx

flush python

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