I am using spawn to spawn a long running process that sends output over time to stdio, and is read and processed by my nodejs script. The tricky part is that I cannot guarantee that the command sen...

My query: In the following code i had tried to bring the print $commandoutput[0] to be shifted or passed into the upcoming subroutine.i tried the shift to pass it.But i failed with it.Can you plea...

I want to connect a computer by the full computer name on Remote Desktop Connection. In nodejs, i create a child process to execute a cmd command.It executed successfully,but after two minutes, it ...

TL;DR : How does one fork a process that is located outside of the current running process? I'm trying to use child_process of Nodejs in order to start another nodejs process on the parent's proce...

I would like to start a child process in NodeJS and save it's output into a variable. The following code gives it to stdout: require("child_process").execSync("echo Hello World", {"stdio": "inheri...

When we call : var p = require(child_process); Are we already creating a child process ? (if not, what is the p here?) To explain my confusion futher, in a codebase i picked up, i see : var ...

When spawning child processes via spawn()/exec()/... in Node.js, there is a 'close' and an 'exit' event on child processes. What is the difference between those two and when do you need to use wha...

I am using Node.js to spawn upwards of 100 child processes, maybe even 1000. What concerns me is that the parent process could become some sort of bottleneck if all the stdout/stderr of the child p...

I'm trying to capture standard output from a spawned child_process in Node.js (0.10.29). Right now I'm just trying with ping. The following code doesn't print (but does ping) var exec = require('ch...

I'm trying to send a huge json string from a child process to the parent process. My initial approach was the following: child: process.stdout.write(myHugeJsonString); parent: child.stdout.on('da...

I'm running nodejs on a raspberry pi and I want to run a child process to spawn a webcam stream. Outside of node my command is: raspivid -n -mm matrix -w 320 -h 240 -fps 18 -g 100 -t 0 -b 5000000...

Is it possible to call CLI tools like pdftotext, antiword, catdoc (text extractor scripts) passing a string instead of a file? Currently, I read PDF files calling pdftotext with child_process.spaw...

use Parallel::ForkManager; my $number_running = 0; my $pm = new Parallel::ForkManager(30); $pm->run_on_start( sub { ++$number_running; } ); $pm->run_on_finish( sub { --$number_running;...

I am writing a bash script in which I wrote a handler to take care of when the user pressed Control+C, (by using trap interruptHandler SIGINT) but the SIGINT gets sent to both the bash script and t...

I have an http server and a forked child process. I want the parent to receive requests and pass to forked process using worker.send. and the worker should be able to process and send the response ...

My Electron app launches R scripts with the child_process module. In development, no problem. When the application is built (using electron-packager), the R scripts are not found. In the app folde...

I'm writing a command line utility, and I need stdout to write to TTY or use {stdio: 'inherit'} I've been getting by with exec but it's not going to cut it. I need way for a spawn process to execut...

EDIT 2 I "solved" the problem, but I don't want to post it as an answer b/c it doesn't explain what actually happened. In the code for the .NET resourceReader.exe I use Console.OutputEncoding = S...

I just practise some node js code about child_process @the link My node version is V5.2.0 on windows 7. // master.js var cp=require("child_process"); var np=cp.fork("./console.js"); // line B /...

I'm trying this out: var child = spawn('node', args, {cwd: parentDir, stdio: 'ipc'} ); (args is an array of parameters) but it gives the following error: TypeError: Incorrect value of stdio...

While writting unit tests for a simple tool, I was unable to get the process exit code of a child process started with require('child_process').spawn. To simplify if down, consider this simple node...

I'm trying to spawn a synchronous child process (to run ffprobe) in AWS Lambda function, but it dies almost instantly (200ms) with signal SIGSEGV. My understanding of a segmentation fault is that...

I want to include shelljs library to angular 2 typescript. I have included the shelljs.d.ts file to my node_modules/shelljs library. My package.json "name": "myproj1", "description": "myproj1: A...

First of all, I'm a complete noob and started using Node.JS yesterday (it was also my first time using Linux in years) so please be nice and explicit I'm currently making a Node.JS program which h...

I have a node.js application that receives a file, via a web request and then will apply a conversion process to this file. Since the task is long running this needs to run separate to the main thr...