subprocess Archives - IT Nursery

Programming, Python

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What’s the difference between subprocess Popen and call (how can I use them)?

I want to call an external program from Python. I have used both Popen() and call() to do that. What’s the difference between ...

May 29, 2022
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Programming, Python

IT Nursery

How can I specify working directory for popen

Is there a way to specify the running directory of command in Python’s subprocess.Popen()? For example: Popen('c:\mytool\tool.exe', workingdir="d:\test\local") My Python script is located ...

May 27, 2022
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How to get exit code when using Python subprocess communicate method?

How do I retrieve the exit code when using Python’s subprocess module and the communicate() method? Relevant code: import subprocess as sp data ...

May 26, 2022
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live output from subprocess command

I’m using a python script as a driver for a hydrodynamics code. When it comes time to run the simulation, I use subprocess.Popen ...

May 23, 2022
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Constantly print Subprocess output while process is running

To launch programs from my Python-scripts, I’m using the following method: def execute(command): process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) output = process.communicate()...

May 20, 2022
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read subprocess stdout line by line

My python script uses subprocess to call a linux utility that is very noisy. I want to store all of the output to ...

May 18, 2022
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Retrieving the output of subprocess.call() [duplicate]

This question already has answers here: Store output of subprocess.Popen call in a string [duplicate] (15 answers) Closed 3 years ago. How can ...

May 16, 2022
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How do I pass a string into subprocess.Popen (using the stdin argument)?

If I do the following: import subprocess from cStringIO import StringIO subprocess.Popen(['grep','f'],stdout=subprocess.PIPE,stdin=StringIO('one\ntwo\nthree\nfour\nfive\nsix\n')).communicate()...

May 14, 2022
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How to use `subprocess` command with pipes

I want to use subprocess.check_output() with ps -A | grep 'process_name'. I tried various solutions but so far nothing worked. Can someone guide ...

May 14, 2022
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How to hide output of subprocess

I’m using eSpeak on Ubuntu and have a Python 2.7 script that prints and speaks a message: import subprocess text="Hello World." print text ...

May 13, 2022
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