How to run linux terminal command in python in new terminal

Question

I read multiple answers regarding how to run the linux shell command using subprocess module in python. In my case, i need to run linux shell commands inside my python code in such a way that these commands should get executed in new terminal.

subprocess.call(["df","-h"]

I'm running say xyz.py in base terminal, when i execute above command, it overwrites on the output of xyz.py in the same terminal. I want this command to be executed in different terminal, or i want to store output of this command in a text file.

subprocess.call(["df","-h",">","somefile.txt"])

Above command is not working.

Edit-1: If i save the output in a text file, i also have to display it through python.

Thanks!

Possible duplicate of How do I pipe a subprocess call to a text file? — user202729
– user202729, Commented Apr 13, 2018 at 8:48

iBug · Accepted Answer · 2018-04-13 16:07:37Z

2

import subprocess
fp = open("somefile.txt", "w")
subprocess.run(["df", "-h"], stdout=fp)
fp.close

Use a file handle.

If you want to print the output while saving it:

import subprocess
cp = subprocess.run(["df", "-h"], stdout=subprocess.PIPE)
print(cp.stdout)
fp = open("somefile.txt", "w")
print(cp.stdout, file=fp)
fp.close()

edited Apr 13, 2018 at 16:07

answered Apr 13, 2018 at 8:39

iBug

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12 Comments

spectre Over a year ago

Thanks. It's working. Problem is, if i save it in a text file, i also have to display it using python.

iBug Over a year ago

@spectre You can use stdout=subprocess.PIPE to get the stdout, print it and then save it to the file.

spectre Over a year ago

Even before running the code, it shows error with "print(cp.out, file=fp)" line.

iBug Over a year ago

@spectre It's a typo. Fixed now.

spectre Over a year ago

Still it shows same error. Can you please check once and edit it. Thanks.

|

Marcos Martinez Galindo · Accepted Answer · 2018-04-13 08:40:21Z

1

have you tried the os.system?

os.system("gnome-terminal -e 'your command'")

answered Apr 13, 2018 at 8:40

Marcos Martinez Galindo

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5 Comments

spectre Over a year ago

Thanks. Problem with this is, new terminal is getting opened. But it's unable to execute the command inside new terminal

Marcos Martinez Galindo Over a year ago

And what about creating a child with os.fork?

spectre Over a year ago

os.system(" gnome-terminal -e '['df','-h']' ") This is what i did. What corrections do you suggest?

Marcos Martinez Galindo Over a year ago

I think this works fine, but if you want you can try fork to create a child (new process). See this: stackoverflow.com/questions/33560802/pythonhow-os-fork-works

tripleee Over a year ago

The correct syntax is os.system("gnome-terminal -e 'df -h'") or better subprocess.run(["gnome-terminal", "-e", "df -h"])

spectre · Accepted Answer · 2018-05-04 07:12:46Z

0

file = open("somefile.txt", "w")
subprocess.run(["df","-h"], stdout = file)
os.system("gnome-terminal -e 'gedit somefile.txt' ")

Above code is working. If there are any simple/efficient way to do the same it'll be helpful.

answered May 4, 2018 at 7:12

spectre

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