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Python File fileno() Method

❮ File Methods

Example

Return the file descriptor of the stream:

f = open("demofile.txt", "r")
print(f.fileno())
Run Example »

Definition and Usage

The fileno() method returns the file descriptor of the stream, as a number.

An error will occur if the operator system does not use a file descriptor.

Syntax

file.fileno()

Parameter Values

No parameters

❮ File Methods