Sunday, July 26, 2020

Python File tell() Method with example



Hello guys! Welcome back to another section of my tutorial on Python. In this tutorial guide, we are going to be studying about the Python File tell() method.

Python file tell() method returns the current position of the file read/write pointer within the file.

Syntax

The following below is the syntax for Python File tell() method -

fileObject.tell( )


Parameter Details

  • NA

Return Value

This method returns the current position of the file read/write pointer within the file.

Example

The following below is a simple example -

This is 1st line
This is 2nd line
This is 3rd line
This is 4th line
This is 5th line

#!/usr/bin/python

# Open a file
fo = open("foo.txt", "rw+")
print "Name of the file: ", fo.name

# Assuming file has following 5 lines
# This is 1st line
# This is 2nd line
# This is 3rd line
# This is 4th line
# This is 5th line

line = fo.readline()
print "Read Line: %s" % (line)

# Get the current position of the file.
pos = fo.tell()
print "Current Position: %d" % (pos)

# Close opend file
fo.close()

Output
When the above code is executed, it will produce the following result -

Name of the file:  foo.txt
Read Line: This is 1st line

Current Position: 28


Alright guys! This is where we are rounding up for this tutorial post. In my next tutorial, we are going to be studying about Python File truncate Method.

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