Simple Node Watcher

gistfile1.java

// Require 
var watchr = require('watchr');
var exec = require('child_process').exec;

watchr.watch({
  paths: ['js', 'css', 'templates'],
  listeners: {
    error: function (err) {
      console.log('an error occured:', err);
    }, change: function () {
      exec('make build', function (error) {
        console.log(">>> built");
        if (error !== null) {
          console.log('exec error: ' + error);
        }
      });
    }
  }
});