SEP = ", "
QUOTE     = "\'"
NEWLINE   = System.getProperty("line.separator")
ARROW     = " => "
TAB       = "    "

def record(columns, dataRow) {
    OUT.append("[").append(NEWLINE)

    columns.eachWithIndex { column, idx ->
        OUT.append(TAB).append(QUOTE)
           .append(column.name())
           .append(QUOTE).append(ARROW)
           .append(dataRow.value(column).toString())
           .append(idx != columns.size() - 1 ? SEP : "")
           .append(NEWLINE)
    }

    OUT.append("],").append(NEWLINE)
}

ROWS.each { row -> record(COLUMNS, row) }