Python os.popen() Method


Description

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.

Syntax

Following is the syntax for popen() method −

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

Parameters

Return Value

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

Example

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
python_files_io.htm