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Seek Function In Python

In this article, we will discuss the seek function in Python.

Purpose

If you read the content of the file, the cursor moves to the end of the file. To move the cursor at the starting point, we use the seek function.

Reading The File Without The Seek Function

First, we will read the file twice without using the seek function.

#without seek function
myfile = open("c:\\temp\\gyan.txt", "r")
content = myfile.read()
print("Reading the content for first time", content)
content = myfile.read()
print("Reading the content for second time", content)
myfile.close()

Output

In the above image, there is no content while reading for the second time because the cursor has reached the end of the file.

Reading The File With The Seek Function

Now use the seek function.

#with seek function
myfile = open("c:\\temp\\gyan.txt", "r")
content = myfile.read()
print("Reading the content for first time", content)
myfile.seek(0)
content = myfile.read()
print("Reading the content for second time", content)
myfile.close()

Output

Posted By -	Karan Gupta

Posted On -	Tuesday, June 30, 2020

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