code: function uglyfile(prettyfile, sourcecode, options) {
  		var mintarget = prettyfile.replace('.js', '.min.js');
  		var maptarget = prettyfile.replace('.js', '.js.map');
  		var uglycodes = uglify(options.max ? prettyfile : sourcecode);
  		writefile(mintarget, uglycodes.code, options);
  		if (options.map) {
  			writefile(maptarget, uglycodes.map, options);
  		}
  	}
docs: Write uglified file
  @param {string} prettyfile
  @param {object} options