
mlr put $y=truncate($x, 0)
x=abcd,y=

mlr put $y=truncate($x, 1)
x=abcd,y=a

mlr put $y=truncate($x, 2)
x=abcd,y=ab

mlr put $y=truncate($x, 3)
x=abcd,y=abc

mlr put $y=truncate($x, 4)
x=abcd,y=abcd

mlr put $y=truncate($x, 5)
x=abcd,y=abcd

mlr put $y=truncate($x, 0)
x=abcdefgh,y=

mlr put $y=truncate($x, 1)
x=abcdefgh,y=a

mlr put $y=truncate($x, 2)
x=abcdefgh,y=ab

mlr put $y=truncate($x, 3)
x=abcdefgh,y=abc

mlr put $y=truncate($x, 4)
x=abcdefgh,y=abcd

mlr put $y=truncate($x, 5)
x=abcdefgh,y=abcde

