Python3 os.ttyname() Method

Python3 OS 文件/目录方法Python3 OS File/Directory Methods


Overview

The os.ttyname() method is used to return a string that represents the terminal device associated with file descriptor fd. If fd is not associated with a terminal device, an exception is raised.

Syntax

ttyname()The method syntax is as follows:

os.ttyname(fd)

Parameters

  • fd-- File descriptor

Return Value

Returns a string representing the terminal device associated with file descriptor fd.

Example

The following example demonstrates the use of the ttyname() method:

#!/usr/bin/python3

import os, sys

# 显示当前目录
print ("当前目录 :%s" %os.getcwd())

# 修改目录为 /dev/tty
fd = os.open("/dev/tty",os.O_RDONLY)

p = os.ttyname(fd)
print ("关联的终端为: ")
print (p)
print ("done!!")

os.close(fd)
print ("关闭文件成功!!")

The output of executing the above program is:

当前目录 :/tmp
关联的终端为:
/dev/tty
done!!
关闭文件成功!!

Python3 OS 文件/目录方法Python3 OS File/Directory Methods

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