Python os.popen() Method


Python method popen() opens a pipe to or from command.The return value is an open file object connected to the pipe, which can be read or written depending on whether mode is 'r' (default) or 'w'.The bufsize argument has the same meaning as in open() function.


Following is the syntax for popen() method −

os.popen(command[, mode[, bufsize]])


Return Value

This method returns an open file object connected to the pipe.


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

# !/usr/bin/python

import os, sys

# using command mkdir
a = 'mkdir nwdir'

b = os.popen(a,'r',1)

print b

When we run above program, it produces following result −

open file 'mkdir nwdir', mode 'r' at 0x81614d0