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How to redirect output with subprocess in Python?
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If you really want to use subprocess, here's the solution (mostly lifted from the documentation for subprocess):
p = subprocess.Popen(my_cmd, shell=True)
os.waitpid(p.pid, 0)
OTOH, you can avoid system calls entirely:
import shutil
with open('myfile', 'w') as outfile:
for infile in ('file...
How can I run an external command asynchronously from Python?
I need to run a shell command asynchronously from a Python script. By this I mean that I want my Python script to continue running while the external command goes off and does whatever it needs to do.
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Why is creating a Thread said to be expensive?
...urces as long as it is alive; e.g. the thread stack, any objects reachable from the stack, the JVM thread descriptors, the OS native thread descriptors.
The costs of all of these things are platform specific, but they are not cheap on any Java platform I've ever come across.
A Google search foun...
Exit codes in Python
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From the documentation for sys.exit:
The optional argument arg can be an
integer giving the exit status
(defaulting to zero), or another type
of object. If it is an integer, zero
is considered “successful termin...
How can I check the system version of Android?
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From SDK: "The user-visible version string. E.g., "1.0" or "3.4b5"." .... "3.4b5" how can I determine which version number is it ?
– davs
Mar 7 '12 at 15:17
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Find all files in a directory with extension .txt in Python
...riable is a single filename. Even better would be to change the f to files and then the for loops could become for file in files.
– martineau
Oct 26 '10 at 14:18
47
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Redirect stdout pipe of child process in Go
...= os.Stdin thereby making it as if you had literally executed that command from your shell.
– Nucleon
May 28 '14 at 0:49
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How do I determine file encoding in OS X?
... That's a function call you would use if you want to write a program. From the command line, just type ls -l@ <filename> to see what attributes are set for the file. To see the actual attribute, type xattr -p com.apple.TextEncoding <filename>
– Edward Falk
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What killed my process and why?
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This is the Linux out of memory manager (OOM). Your process was selected due to 'badness' - a combination of recentness, resident size (memory in use, rather than just allocated) and other factors.
sudo journalctl -xb
You'll see a message like:
Jul 20 11:05:00 someapp kernel: Mem-Info...
How to terminate a python subprocess launched with shell=True
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I could do it using
from subprocess import Popen
process = Popen(command, shell=True)
Popen("TASKKILL /F /PID {pid} /T".format(pid=process.pid))
it killed the cmd.exe and the program that i gave the command for.
(On Windows)
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