I need to start the bash terminal, sequentially execute several commands, collect their results and quit. What is the correct way to do this in nodejs? I tried to achieve this with child_process.sp...

I have a fairly simple C++ program which only takes one argument that is a Base64 encoded string. I can call the program. I am now trying to call this program using Node.js' child_process.spawn(), ...

I have a little Grunt task that shells out via node and runs "composer install". var done = this.async(); var exec = require('child_process').exec; var composer = exec( 'php bin/composer.phar in...

I want to run a command in command-prompt using nodejs. Based on https://dzone.com/articles/understanding-execfile-spawn-exec-and-fork-in-node, i used child_process.execFile('protractor', ['./src...

Here's a simple program that registers two trap handlers and then displays them with trap -p. Then it does the same thing, but in a child background process. Why does the background process ignore...

I have this function and fork a child process to run a heavy work on background. The work module sends message after it completes the work. How do I kill or close the forked process? function doW...

When spawning a new child in nodejs on windows (child_process.spawn) it always opens a blank console window which stays open until the child process ends. Is there a way to avoid this? i.e. we w...

I'm trying to give a child process a name but I don't know how to do it const exec = require('child_process').exec; let cpr = exec('node server.js'); I'm using the exec function to run the child ...

I am trying to spawn an external process phantomjs using node's child_process and then send information to that process after it was initialized, is that possible? I have the following code: var sp...

I have a .NET class library that spins up a secondary process which is kept running until I dispose of the object. Due to some occurances of the program lingering in memory, I've decided to add an...

I'm attempting to do something I think is very simple -- execute an 'echo' line using child_process.exec. My code looks as such: var exec = require('child_process').exec; exec('echo "HELLO"', fun...

I was just experimenting worker process hence try this: const http = require("http"); const cluster = require("cluster"); const CPUs = require("os").cpus(); const numC...

Within an electron.js app I'm trying to call and execute a python script from node.js based on the these indicatins: https://nodejs.org/api/child_process.html#child_process_child_process_execfile_f...

I execute several processes using spawn() from child_process. const { spawn } = require('child_process'); spawn("sh", ["script1.sh"], { shell: false, stdio: "inherit"...

How to exec continuously? e.g. ls after cd? I tried exec = require('child_process').exec; exec('cd ~/', function(){ exec('ls'), function(err, stdout, stderr){ console.log(stdout); // this lo...

When a child process forked from a parent dies, it still exists to some extent and is left in a zombie state, until it is reaped from a wait() call. Is is possible to detach this parent-child rela...

#include <stdio.h> #include <unistd.h> int do_fork(int depth) { if (!depth) { return fork(); } int val = do_fork(depth - 1); printf("%d\n", val); return val; } int ...

I am trying to execute some line using node js child process and getting error. Following is my code: let cmd : string = "code " + PROJECTS[value]; exec(cmd, function callback(error, stdout, stder...

I am new to child_process and I want to experiment with its capabilities. Is there any way to pass a function and arguments to a python file, using spawn (or exec or execFile is spawn cannot do it)...

I'm writing a Yeoman generator and using child_process.spawn() (via yeoman's spawnCommand() - see https://github.com/yeoman/generator/blob/master/lib/actions/spawn_command.js) My code looks like t...

I'm writing a CLI using node and I've arrived at the part where I take user input and append it to a string that is the command for the child_process.exec function. const CURL_CHILD = exec('npm vi...

I have a web server using NodeJS - Express and I have a Scikit-Learn (machine learning) model pickled (dumped) in the same machine. What I need is to demonstrate the model by sending/receiving dat...

I have a Node app which uses the fork method to run a background process. The problem is that running the web pack configuration from the index doesn't bundle the background process's files resulti...

How to debug child Node.JS process in VS Code? Here is the example of the code that I'm trying to debug: var spawn = require('child_process').spawn; var scriptPath = './child-script.js'; var runne...

My goal is to control buffering of child process when executed with execvp. More precisely, I want to redirect stdout and stderr to the same file descriptor (this is wanted behaviour, I cannot chan...