Python subprocess pipe5/3/2023 ![]() The os module offers four different methods that allows us to interact with the operating system (just like you would with the command line) and create a pipe to other commands. ![]() Hopefully by the end of this article you'll have a better understanding of how to call external commands from Python code and which method you should use to do it.įirst up is the older os.popen* methods. Throughout this article we'll talk about the various os and subprocess methods, how to use them, how they're different from each other, on what version of Python they should be used, and even how to convert the older commands to the newer ones. Python 2 has several methods in the os module, which are now deprecated and replaced by the subprocess module, which is the preferred option in Python 3. ![]() However, the methods are different for Python 2 and 3. Python offers several options to run external processes and interact with the operating system.
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