Python Os.ttyname() Method

Description

Python method ttyname() returns a string, which specifies the terminal device associated with fd. If fd is not associated with a terminal device, an exception is raised.

syntax

Following is the syntax for ttyname() method:

os.ttyname(fd)

Parameters

• fd − This is the file descriptor.

Return Value

This method returns a string that specifies the terminal device.

Example

The following example shows the usage of ttyname() method.

# !/usr/bin/python

import os, sys

# Showing current directory 
print "Current working dir :%s" %os.getcwd()

# Changing dir to /dev/tty
fd = os.open("/dev/tty",os.O_RDONLY)

p = os.ttyname(fd)
print "the terminal device associated is: "
print p
print "done!!"

os.close(fd)
print "Closed the file successfully!!"

When we run the above program, it produces the following result:

Current working dir is :/tmp
the terminal device associated is:
/dev/tty
done!!
Closed the file successfully!!

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