if one of the columns is numeric, then negating it will sort the right way.
(\: 1 ,/@(+`-\"1) ]) 5 2$7 4 8 2 8 4 7 2 8 3 ________________________________ From: Jimmy Gauvin <[email protected]> To: [email protected] Sent: Saturday, January 19, 2019 11:18 AM Subject: [Jprogramming] Sorting on two keys Hi, I need to sort on two keys, one descending the other asscending. (J takes care were ascending or descending Is there a better way to solve this ? ]t=:5 2$7 4 8 2 8 4 7 2 8 3 7 4 8 2 8 4 7 2 8 3 ]tt=: t {~ /:1{"1 t 8 2 7 2 8 3 7 4 8 4 ]tt {~ \:0{"1 tt 8 2 8 3 8 4 7 2 7 4 Thanks, Jimmy ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
