child_process.spawn node.js

child_process_spawn.js

// https://stackoverflow.com/a/10232330/10431732
const childProcess = require('child_process');

// just runs `ls -a ../`
const childp = childProcess.spawn('ls', ['-a', '../']);
// assign stdout to variable
const variable = chilldp.stdout;
// listen for events on that variable
variable.on('data', (data) => {
  console.log('stdout: ' + data.toString());
});

// You can listen for many events
childp.stderr.on('data', (data) => {
  console.log('stderr: ' + data.toString());
});

childp.on('exit', (code) => {
  console.log('child process exited with code ' + code.toString());
});