tolower()

Convert text to all lowercase characters.

Syntax

tolower(text)

Parameter

Parameter

Definition

text

text that is to be returned as lowercase letters The text can be a text string enclosed in double quotation marks, or one or more PSL commands that produce text as output.

Description

The tolower() function returns a copy of text with all uppercase letters converted to lowercase letters.

Example

The following is an example of the tolower() function:

function main() {
teststr = "SOME ARE UPPER, some are lower, SoMe ArE mIxEd";
printf(" original : %s\n",teststr);
printf("all lower : %s\n",tolower(teststr));
}

The example produces the following output:

original : SOME ARE UPPER, some are lower, SoMe ArE mIxEd
all lower : some are upper, some are lower, some are mixed

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