28.10.2021 Views

Python Tutorial ( PDFDrive )

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Parameters

• NA

Return Value

This method returns the next input line.

Example

The following example shows the usage of next() method.

#!/usr/bin/python

# Open a file

fo = open("foo.txt", "r")

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

for index in range(5):

line = fo.next()

print "Line No %d - %s" % (index, line)

# Close opened file

fo.close()

Let us compile and run the above program, this will produce the following result:

Name of the file: foo.txt

Line No 0 - This is 1st line

Line No 1 - This is 2nd line

Line No 2 - This is 3rd line

Line No 3 - This is 4th line

Line No 4 - This is 5th line

file.read([size])

Description

The method read() reads at most size bytes from the file. If the read hits EOF before obtaining size bytes, then it

reads only available bytes.

Syntax

Following is the syntax for read() method:

fileObject.read( size );

Parameters

• size -- This is the number of bytes to be read from the file.

TUTORIALS POINT

Simply Easy Learning

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!