code: function writefile(filepath, filetext, options) {
  		var version = '-1.0.0';
  		var packag = filename('package.json', options);
  		var banner = filename('BANNER.txt', options);
  		if (grunt.file.exists(banner)) {
  			filetext = grunt.file.read(banner) + '\n' + filetext;
  		}
  		if (grunt.file.exists(packag)) {
  			var json = grunt.file.readJSON(packag);
  			version = json.version;
  		}
  		grunt.file.write(
  			filepath,
  			grunt.template.process(filetext, {
  				data: {
  					version: version
  				}
  			})
  		);
  		grunt.log.writeln('File "' + chalk.cyan(filepath) + '" created.');
  	}
docs: Write file and report to console.
  @param {String} filepath
  @param {String} filetext