How to use the python os.popen method

This article mainly introduces "how to use the python os.popen method". In the daily operation, I believe that many people have doubts about how to use the python os.popen method. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how to use the python os.popen method". Next, please follow the editor to study!

1. The os.popen method is used to open a pipe from a command. Valid in Unix,Windows. What os.popen returns is a file object, just like open opens a file.

2. The os.popen method is nonblocking.

Example

# coding:utf-8 import os # popen returns file objects like open operations: f = os.popen (r "ls", "r") l = f.read () print (l) f.close () what does python mean? Python is a cross-platform, interpretive, compiling, interactive and object-oriented scripting language originally designed to write automated scripts as versions are constantly updated and new features are added It is often used to develop independent and large projects.

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