4.103 toupper - Uppercase Conversion

Convert character string to uppercase characters. This does not affect non-alpha characters outside the 26 alphabets.

Usage Examples

Example 1: Basic Example

Convert the values in $str$ column from lowercase to uppercase.

$ more dat1.csv
id,str
1,abc
2,Ab$12!cD
3,
4,Cba
$ mcal c='toupper($s{str})' a=rsl i=dat1.csv o=rsl1.csv
#END# kgcal a=rsl c=toupper($s{str}) i=dat1.csv o=rsl1.csv
$ more rsl1.csv
id,str,rsl
1,abc,ABC
2,Ab$12!cD,AB$12!CD
3,,
4,Cba,CBA