4.69 not - Negation

Format: not( $bool$ )

Returns the reversed logical value of $bool$ .

Example

Example 1: Basic Example

$ more dat1.csv
id,b
1,1
2,
3,0
$ mcal c='not($b{b})' a=rsl i=dat1.csv o=rsl1.csv
#END# kgcal a=rsl c=not($b{b}) i=dat1.csv o=rsl1.csv
$ more rsl1.csv
id,b,rsl
1,1,0
2,,
3,0,1