Description: Convert all characters in a string to upper case. Syntax: upper(s) Note: The function converts all charactestring,convert,upper case
Here’s how to use write() function.string,sequence,file object,binary data
Description: Define a string constant. Syntax: "string" $[string] Note: An expression must be double quoted in use. But string, constant
Description: A character that invokes an alternative interpretation on certain characters in a string. Syntax: \s Note: string,certain characters,escape