code: function copyFileFrom(file, to_dir){
      var sys = require("sys");
      var fs = require('fs');
  
      var file_name = filenameFromPath(file);
      if (file_name == ".DS_Store") {
          return;
      }
  
      sys.pump(fs.createReadStream(file), fs.createWriteStream(to_dir),function(){
          console.log("Copied file: " + file);
          console.log("To new destination: " + to_dir + "\n");
      });
  }
docs: copy files to dest directory