dateDimensionGenerator.groovy

Date enddate = new Date()
Date startdate = enddate - 20

//headers
println "Date - Year - Quarter - Month - Month - Month - WeekOfYear - WeekOfMonth - DayInYear - DayInMonth - DayInWeek - DayInWeek - DayInWeek - Weekday/Weekend"

//loop through each day
(startdate..enddate).each{ day ->
    //Is this a weekend or a weekday?
    def weekendStatus = 'Weekday'
    if(day[Calendar.DAY_OF_WEEK]==Calendar.SUNDAY || day[Calendar.DAY_OF_WEEK]==Calendar.SATURDAY){
        weekendStatus = 'Weekend'
    }
    
    def quarter = ((day[Calendar.MONTH]/3).intValue() + 1)
    
    //Just print the output
    println day.getDateString() + ' ' + day.format("yyyy") + ' ' + quarter + ' ' + day.format("MM") + ' ' + day.format("MMM") + ' ' + day.format("MMMM") + ' ' + day.format("ww") + ' ' + day.format("WW") + ' ' + day.format("DDD") + ' ' + day.format("dd") + ' ' + day[Calendar.DAY_OF_WEEK] + ' ' + day.format("E")+ ' ' + day.format("EEEE") + ' ' + weekendStatus
}