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 … Read more
subprocess
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 … Read more
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 … Read more
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 … Read more
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()[0] exitCode … Read more
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 … Read more
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 … Read more
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()[0] I get: Traceback (most recent call last): File “<stdin>”, line 1, … Read more
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 … Read more
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 … Read more