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Python 3 - File fileno() Method
Description
The method fileno() returns the integer file descriptor that is used by the underlying implementation to request I/O operations from the operating system.
Syntax
Following is the syntax for fileno() method −
fileObject.fileno()
Parameters
NA
Return Value
This method returns the integer file descriptor.
Example
The following example shows the usage of fileno() method.
#!/usr/bin/python3
# Open a file
fo = open("foo.txt", "wb")
print ("Name of the file: ", fo.name)
fid = fo.fileno()
print ("File Descriptor: ", fid)
# Close opend file
fo.close()
Result
When we run the above program, it produces the following result −
Name of the file: foo.txt File Descriptor: 3
python_files_io.htm
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