var childProcess = require('child_process'); var fs = require('fs'); // Clean all of the example folders. dirs = fs.readdirSync('examples'); for (var i = 0; i < dirs.length; i++) { process.chdir('examples/' + dirs[i]); childProcess.exec('npm run clean', function (error, stdout, stderr) { if (error) { console.log(error.stack); console.log('Error code: ' + error.code); console.log('Signal received: ' + error.signal); console.log('Child Process STDERR: ' + stderr); } console.log('Child Process STDOUT: ' + stdout); }); process.chdir('../..'); }