How to open a command line window in Node.js?

Question

How to open a new command line window and execute a bash command which runs in a separate independent process?

I tried

var child_process = require('child_process');
child_process.execSync("cmd.exe /K node my-new-script.js parm1 parm2);

but it opens no new window and I need an independent process (if possible). The background is I am experimenting with electron and wrote some node command line scripts. Unfortunately within electron environment spawning processes results often in weird behavior and console log output is more than ugly.

By the way I would need something equivalent to OS X and Linux.

You might have to use the start command to force open a new Command Prompt window. — brandonscript
– brandonscript, Commented Jul 31, 2015 at 3:54
@remus This is exactly what I want. I ever thought I know windows ^^. Do you coincidentally know equivalents to Linux and Mac? — Stephan Ahlf
– Stephan Ahlf, Commented Jul 31, 2015 at 4:07

brandonscript · Accepted Answer · 2015-07-31 04:10:44Z

18

For Windows, you'll need to use the start command:

start cmd.exe /K node my-new-script.js parm1 parm2

For OS X, you can use:

osascript -e 'tell application "Terminal" to activate' -e 'tell application "System Events" to tell process "Terminal" to keystroke "t" using command down'

For other *nix distros, you'll need to look those up as each one is slightly different.

answered Jul 31, 2015 at 4:10

brandonscript

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2 Comments

yashodha_h Over a year ago

Is there any possibility to run this in background?

Marco Over a year ago

@YD_ Use child_process.exec() instead of child_process.execSync() to run the terminal in background.

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