#command cdx uniq -k two -a three,merge --agg-post four,three,merge,sort.uniq --agg-post five,three,merge,D,..max_parts:5 --agg-post six,3,merge,count.uniq -c zero #stdin CDX one two three qax aaa 1,2 wsx aaa 3,4 edc aaa 4,5 rfv aaa 0,3 #stdout CDX zero one two three four five six 4 qax aaa 1,2,3,4,4,5,0,3 0,1,2,3,4,5 1.2.3.4.4 7