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HomeBackend DevelopmentPython Tutorial在Python程序中操作文件之isatty()方法的使用教程

 如果文件已连接(与终端设备相关联)到一个tty(状)的设备,isatty()方法返回True,否则返回False。
语法

以下是isatty()方法的语法:

fileObject.isatty();

参数

  •     NA

返回值

如果该文件被连接(与终端设备相关联)到一个tty(类似终端)设备此方法返回true,否则返回false。
例子

下面的例子显示了isatty()方法的使用。

#!/usr/bin/python

# Open a file
fo = open("foo.txt", "wb")
print "Name of the file: ", fo.name

ret = fo.isatty()
print "Return value : ", ret

# Close opend file
fo.close()

当我们运行上面的程序,它会产生以下结果:

Name of the file: foo.txt
Return value : False

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