/Javascript/Node.js/How to wait for an exec command to fininsh in nodejs

How to wait for an exec command to fininsh in nodejs

const exec = require('child_process').exec;

function os_func() {
    this.execCommand = function(cmd, callback) {
        exec(cmd, (error, stdout, stderr) => {
            if (error) {
                console.error(`exec error: ${error}`);
                return;
            }

            callback(stdout);
        });
    }
}
var os = new os_func();

os.execCommand('SomeCommand', function (returnvalue) {
    // Here you can get the return value
});

Source: stackoverflow.com

Similar codes

173 votes317 views6 answers
Node mon
Javascript Node.js
0 vote143 views1 answer
Rfid reader nodejs
Javascript Node.js
10 votes140 views6 answers
Mongoose node js
Javascript Node.js
0 vote134 views1 answer
How to redirect 404 errors to a page in node js server?
Javascript Node.js
0 vote142 views1 answer
Node serialport isopen
Javascript Node.js
0 vote142 views3 answers
Aes 256 file encryption node js
Javascript Node.js
21 votes169 views1 answer
Node if path exists
Javascript Node.js
6 votes152 views1 answer
Node server start using pm2
Javascript Node.js
46 votes170 views4 answers
Node express params
Javascript Node.js
6 votes156 views2 answers
Append text into a file nodejs
Javascript Node.js