Styjun

Driving a school bus in the USA

Quotient of Three Dimensional Torus by Permutation on Coordinates

What should I wear to go and sign an employment contract?

Why use a retrograde orbit?

Have GoT's showrunners reacted to the poor reception of the final season?

Why does the U.S military use mercenaries?

Should I twist DC power and ground wires from a power supply?

How come Arya Stark wasn't hurt by this in Game of Thrones Season 8 Episode 5?

Windows reverting changes made by Linux to FAT32 partion

Bookshelves: the intruder

How can sister protect herself from impulse purchases with a credit card?

Why wear sunglasses in indoor velodromes?

Save my secrets!

Lock out of Oracle based on Windows username

Have the writers and actors of GOT responded to its poor reception?

multicol package causes underfull hbox

How to scale and shift the coordinates of a Graphics object?

Error when running ((x++)) as root

How to laser-level close to a surface

Is my homebrew Awakened Bear race balanced?

Appropriate liquid/solvent for life in my underground environment on Venus

How to customize the pie chart background in PowerPoint?

What color to choose as "danger" if the main color of my app is red

Why is choosing a suitable thermodynamic potential important?

Run a system command and return the output in python 3 using Popen class

Calling an external command in PythonIs there a way to run Python on Android?How to import a module given its name?Run a Python script from another Python script, passing in argumentsPython class inherits objectRunning shell command and capturing the outputCreating a singleton in PythonOutput of command to list using PythonContext Manager for PopenUse Popen utility in subprocess to run a system command

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;

0

I want to define a function in python which accepts a system command and return the output.

Expected output :

Process Output : Hello

My output :

Process Output :

Code used :

def run_process(cmd_args):
 with subprocess.Popen(cmd_args, stdout=subprocess.PIPE,shell=True) as p:
 (output,err)=p.communicate()
 return output

run_process("echo Hello")

python python-3.x

share|improve this question

edited Mar 23 at 17:29

Bhargav Rao♦

31.5k2093114

asked Mar 23 at 17:29

user2384052user2384052

374

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It works just fine for me. (though it will return a bytes object, not a string). Are you on a POSIX system like MacOS or on Windows?
  
  – Michael Scott Cuthbert
  Mar 23 at 17:35
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I am on windows ................
  
  – user2384052
  Mar 23 at 17:53
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I just tried this on Windows 10 (python 3.7) and got b'Hellorn' as the return value. Is your issue that you are expecting it to print the value out?
  
  – Nathan
  Mar 23 at 18:09
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  i want to print the process output :
  
  – user2384052
  Mar 23 at 18:55
  

  
  
  
  

add a comment | 

0

I want to define a function in python which accepts a system command and return the output.

Expected output :

Process Output : Hello

My output :

Process Output :

Code used :

def run_process(cmd_args):
 with subprocess.Popen(cmd_args, stdout=subprocess.PIPE,shell=True) as p:
 (output,err)=p.communicate()
 return output

run_process("echo Hello")

python python-3.x

share|improve this question

edited Mar 23 at 17:29

Bhargav Rao♦

31.5k2093114

asked Mar 23 at 17:29

user2384052user2384052

374

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It works just fine for me. (though it will return a bytes object, not a string). Are you on a POSIX system like MacOS or on Windows?
  
  – Michael Scott Cuthbert
  Mar 23 at 17:35
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I am on windows ................
  
  – user2384052
  Mar 23 at 17:53
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I just tried this on Windows 10 (python 3.7) and got b'Hellorn' as the return value. Is your issue that you are expecting it to print the value out?
  
  – Nathan
  Mar 23 at 18:09
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  i want to print the process output :
  
  – user2384052
  Mar 23 at 18:55
  

  
  
  
  

add a comment | 

I want to define a function in python which accepts a system command and return the output.

Expected output :

Process Output : Hello

My output :

Process Output :

Code used :

def run_process(cmd_args):
 with subprocess.Popen(cmd_args, stdout=subprocess.PIPE,shell=True) as p:
 (output,err)=p.communicate()
 return output

run_process("echo Hello")

python python-3.x

share|improve this question

edited Mar 23 at 17:29

Bhargav Rao♦

31.5k2093114

asked Mar 23 at 17:29

user2384052user2384052

374

Process Output : Hello

Process Output :

def run_process(cmd_args):
 with subprocess.Popen(cmd_args, stdout=subprocess.PIPE,shell=True) as p:
 (output,err)=p.communicate()
 return output

run_process("echo Hello")

share|improve this question

edited Mar 23 at 17:29

Bhargav Rao♦

31.5k2093114

asked Mar 23 at 17:29

user2384052user2384052

374

share|improve this question

edited Mar 23 at 17:29

Bhargav Rao♦

31.5k2093114

asked Mar 23 at 17:29

user2384052user2384052

374

edited Mar 23 at 17:29

Bhargav Rao♦

31.5k2093114

edited Mar 23 at 17:29

Bhargav Rao♦

31.5k2093114

asked Mar 23 at 17:29

user2384052user2384052

374

asked Mar 23 at 17:29

user2384052user2384052

374