$toupper

Converts alphabetic characters to upper case.

Syntax

$toupper(source)

Parameters

source

any value, or an expression that yields any value

Return Value

Character string, in which all letters are uppercase.

Comments

$toupper returns a character string in which all letters are upper case. If source is not of a character data type, it is converted to a character data type before the function is applied.

Example

$toupper("the QUICK BROWN fox is 30 years oLD")

Evaluates to “THE QUICK BROWN FOX IS 30 YEARS OLD”.