#!/bin/bash cat /dev/null > ./es6/smart-date.js for i in AbstractSmartDatePart SmartDateStaticPart AbstractSmartDateNumericPart SmartDateDayPart SmartDateMonthPart SmartDateYearPart SmartDateParseState SmartDateFormat SmartDateField; do cat ./src-es6/$i.js >> ./es6/smart-date.js done