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Python File read() Method with example



Hello dear readers! Welcome back to another edition of our tutorial on Python. In this tutorial guide, we are going to be studying about the Python File read() method.

Python file read() method reads most size bytes from the file. If the read encounters EOF before obtaining size bytes, then it reads only the available bytes.

Syntax

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

fileObject.read( size );

RECOMMENDED POST: Python File next() Method

Parameter Details

  • size - Number of bytes to be read from the file. 

Return Value

It returns the bytes read in the string.

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.read(10)
print "Read Line: %s" % (line)

# 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: Python is 


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

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