/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

2 votes182 views3 answers
Port already in use node js
Javascript Node.js
1 vote182 views1 answer
Node express verify account link api
Javascript Node.js
1 vote177 views1 answer
Raspberry pi install node js
Javascript Node.js
5 votes163 views2 answers
Nodejs get file size
Javascript Node.js
2 votes172 views1 answer
Node console showing object object
Javascript Node.js
0 vote166 views1 answer
Nodejs folder structure best practices
Javascript Node.js
8 votes311 views1 answer
Uninstall node js from mac
Javascript Node.js
0 vote174 views1 answer
Node print command
Javascript Node.js
0 vote186 views1 answer
Node js post method
Javascript Node.js
0 vote193 views1 answer
Hex string to buffer nodejs
Javascript Node.js