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# Python File readline() Method

## Description:

This method read one entire line from the file. A trailing newline character is kept in the string. If the size argument is present and non-negative, it is a maximum byte count including the trailing newline and an incomplete line may be returned.

An empty string is returned only when EOF is encountered immediately.

## Syntax:

    fileObject.readline( size );

## Parameters:

Here is the detail of parameters:

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

## Example:

    #!/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

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

    line = fo.readline(5)
    print "Read Line: %s" % (line)

    # Close opend file
    fo.close()

This produces following result:

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

    Read Line: This

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