On trying to run the grep for the output of previous command using popen returning blank without any error output i got: Answer You don’t need to concoct a pipeline of kubectl + grep here.
Tag: popen
Issue with Subprocess Popen Python
I searched on stack overflow but I did’nt find a correct answer. I use subprocess popen to call and run an entire python script and it works fine, like that : subprocess.Popen([‘python3’, ‘/home/pc/Dossier/Dossier2/Nom.py’], ) But in my system I want to modify a variable in the script Nom.py when I call it with subprocess popen. I heard about inputs parameters
Python subprocess returning exception
I have the following code that has been working until recently: it calls the opt_module_v3.py and returns messages as the child process runs. When I run the main code, I’m getting the following exception: Like I mentioned, this code was working before but I might have stuffed up since I’ve been working on improvements. Any clues on what could be
Python subprocess Popen periodic callback
I am running an HPC simulation on amazon AWS with spot instances. Spot instances can be terminated with 2 minutes notice by AWS. In order to check for termination you need to exectute curl on a spefiic URL every 5 seconds. It is a simple request that returns a json with the termination time, if AWS have initiated the termination
New line character appended to os.popen().read() command
I am retrieving a file through the below command: while printing fileName, I see n appended. I know we can remove n through replace command, but I want to know why this is happening. Answer It is the ls command that append a new-line character to the output, you can figure it out opening a terminal and executing the command
Getting rid of the apostrophe in subprocess.Popen to move files
My script generates multiple files that contain random names based on the info it extracts. I created this test to try and move all new files created while running into a new directory named after the file being ran. When I use os.popen(“mv ” + moveFiles +’ ‘ + filename + “_dir”) it works just fine, but os.popen is considered
How do I run a PowerShell script with parameters from Python
I’m trying to run PowerShell scripts that have parameters from Python 3.7.3, but don’t know how to properly call the function in Popen What I’m trying to do with my PowerShell script is login to Cisco routers and run Cisco IOS commands on x number of routers based on how many are defined. So the way I have my PowerShell
Python popen() – communicate( str.encode(encoding=”utf-8″, errors=”ignore”) ) crashes
Using Python 3.4.3 on Windows. My script runs a little java program in console, and should get the ouput: This leads to a normal ‘UnicodeDecodeError: ‘charmap’ codec can’t decode byte 0x9d in position 135: character maps to < undefined>’. Now I want to ignore errors: This leads to a more interesting error I found no help for using google: TypeError:
Python subprocess and user interaction
I’m working on a GUI front end in Python 2.6 and usually it’s fairly simple: you use subprocess.call() or subprocess.Popen() to issue the command and wait for it to finish or react to an error. What do you do if you have a program that stops and waits for user interaction? For example, the program might stop and ask the
What is the subprocess.Popen max length of the args parameter?
I am using Popen function from the subprocess module to execute a command line tool: The tool I am using takes a list of files that it then processes. In some cases, this list of files can be very long. Is there a way to find the max length that the args parameter can be? With a large number of