Python - File fileno() Method
The Python file fileno() method is used to return the file descriptor of the file stream as a number. The method raises an exception if the operating system does not use a file descriptor.
Syntax
file.fileno()
Parameters
No parameter is required.
Return Value
Returns the file descriptor of the file stream as a number.
Example: Close an opened file in Python
In the below example, Python fileno() method is used to return the file descriptor of the file stream of file called MyFile.
MyFile = open("python_test.txt", "r") #file descriptor of the file stream x = MyFile.fileno() print(x)
The output of the above code will be:
3
❮ Python File Handling Methods