LEN

BASin

LEN LENgth of string

Function

LEN gives the length of a string.

How to use LEN

LEN is followed by a string value, for example

50 LET x=LEN a$

An expression must be enclosed in brackets. LEN returns the number of characters in the string.

Example

The following line

120 INPUT a$: IF LEN a$>9 THEN GO TO 120

passes only strings that contain up to 9 characters.

Format

  • LEN string-const
  • LEN string-var
  • LEN (string-expr)

See also

Chapter 9.