node child process stdio code example
Example 1: how to return when child process is complete in node js
var child = require('child_process').exec('python celulas.py')
child.stdout.pipe(process.stdout)
child.on('exit', function() {
process.exit()
})
Example 2: child process
const { exec, spawn } = require('child_process');
exec('my.bat', (err, stdout, stderr) => {
if (err) {
console.error(err);
return;
}
console.log(stdout);
});
const bat = spawn('"my script.cmd"', ['a', 'b'], { shell: true });
exec('"my script.cmd" a b', (err, stdout, stderr) => {
});