list = [] for (i = 0; i< 1000*1000; i++) { list << [sin:sin(i), cos:cos(i)] } list rowList = [] for (row = 0; row < 100; row++) { colMap = new LinkedHashMap(); for (col = 0 ; col < 700; col++) { colMap.put('a' + col, row * col) } rowList << colMap } rowList new TableDisplay(new CSV().read("../resources/data/long_lines.csv"))