Format: max()
Compute the maximum number in . NULL values are ignored and returned as NULL value.
$ more dat1.csv id,v1,v2,v3 1,1,2,3 2,-5,2,1 3,1,,3 4,,, $ mcal c='max(${v1},${v2},${v3})' a=rsl i=dat1.csv o=rsl1.csv #END# kgcal a=rsl c=max(${v1},${v2},${v3}) i=dat1.csv o=rsl1.csv $ more rsl1.csv id,v1,v2,v3,rsl 1,1,2,3,3 2,-5,2,1,2 3,1,,3,3 4,,,,
Specify columns starting from v (v1,v2,v3) using wildcard “v*”.
$ mcal c='max(${v*})' a=rsl i=dat1.csv o=rsl2.csv #END# kgcal a=rsl c=max(${v*}) i=dat1.csv o=rsl2.csv $ more rsl2.csv id,v1,v2,v3,rsl 1,1,2,3,3 2,-5,2,1,2 3,1,,3,3 4,,,,