Python File fileno() 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 fileno() method.

Python file fileno() method returns the integer file descriptor which is used by the basic implementation in requesting I/O operations from the operating system


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

fileObject.fileno( );

Parameter Details

  • NA

Return Value

It returns the integer file descriptor.


The following below is a simple example -


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

fid = fo.fileno()
print "File Descriptor: ", fid

# Close opend file

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

Name of the file:  foo.txt
File Descriptor:  3

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 isatty Method.

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