partition list - Groovy built-in to split an array into equal sized subarrays? - Stack Overflow

list - Groovy built-in to split an array into equal sized subarrays? - Stack Overflow

def partition ( array , size ) {
    def partitions = []
    int partitionCount = array . size () / size

    partitionCount . times { partitionNumber ->
        def start = partitionNumber * size
        def end = start + size - 1
        partitions << array [ start .. end ]    
    }

    if ( array . size () % size ) partitions << array [ partitionCount * size ..- 1 ]
    return partitions    
}