System Functions

LEN( ) Return String Length

Format	LEN(string$[,ERR=stmtref])   Where:
	string$	String expression whose length is to be returned.
	stmtref	Program line number or statement label to which to transfer control.
Returns	Integer, length of given string, 0 (zero) if null string.
Description	The LEN( ) function returns an integer reporting the length of the given string. If the given string is a null string ("") then the function returns a length of 0 (zero).
Examples	A=LEN("HELLO") ! yields 5 A=LEN("") ! yields 0 A=LEN("A"+"BC") ! yields 3 A=LEN(DAY) ! yields 8 (DAY variable is in format MM/DD/YY)