Python Tutorial ( PDFDrive )

Return Value
This method returns the bytes read in string.
Example
The following example shows the usage of read() 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
line = fo.read(10)
print "Read Line: %s" % (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
Read Line: This is 1s
file.readline([size])
Description
The method readline() reads 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
Following is the syntax for readline() method:
fileObject.readline( size );
Parameters
• size -- This is the number of bytes to be read from the file.
Return Value
This method returns the line read from the file.
TUTORIALS POINT
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