data have; input Obs     Part1  $   Part2 $ ; cards; 1          ABC     123    2         123       ABC    3         DEF     123     4         123       DEF    5          DEF     ABC    6          ABC     DEF ; run; data have; set have; call sortc(Part1,Part2) ; x=catx(':',Part1,Part2) ; run; Ksharp ... View more