Run batch file from Electron main thread

Question

I'm attempting to run a simple batch file from my electron application. Here is my code:

globalShortcut.register('Control+B', () => { log.info('Batch File Triggered: ' + app.getAppPath() + '\\local\\print.bat') require('child_process').exec(app.getAppPath() + '\\local\\print.bat', function (err, stdout, stderr) { if (err) { // Ooops. // console.log(stderr); return console.log(err); } // Done. console.log(stdout); }); })

The batch file should be triggered when Control+B is pressed by the user, but it does not work. The log entry is made, and I've verified the path is correct, but the file is never actually launched.

I found these questions, which ask the same question, but these are 4 years old at this point and none of the answers have worked for me, there is no display, no error, nothing.

I've also tried the child_process.spawn but that also did nothing noticeable.

var ls = spawn('cmd.exe', ['/c', app.getAppPath() + '\\local\\print.bat']);

How can I launch my batch file from my electron application?

GrumpyCrouton · Accepted Answer · 2018-04-18 18:24:04Z

11

I've just discovered such an easy way to do this. You can use the electron shell module, like this:

const {shell} = require('electron'); // Open a local file in the default app shell.openItem(app.getAppPath() + '\\local\\print.bat');

answered Apr 18, 2018 at 18:24

GrumpyCrouton

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1 Comment

David Burson Over a year ago

This works great. Unfortunately, though, there doesn't appear to be a way to pass arguments with electron's shell.openItem. I found that although node's child_process.spawn can't be used to spawn node to run a file in the .asar, if I copy the file from the .asar and it's dependencies to somewhere else, I can spawn node and run it.

Professor · Accepted Answer · 2018-05-26 08:23:05Z

try using the code below

function Process() { const process = require('child_process'); var ls = process.spawn('script.bat'); ls.stdout.on('data', function (data) { console.log(data); }); ls.stderr.on('data', function (data) { console.log(data); }); ls.on('close', function (code) { if (code == 0) console.log('Stop'); else console.log('Start'); }); }; Process();

not forgetting to run

npm install child_process

on your terminal

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