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LEN

String Length

This numeric function returns the length, in number of bytes, of any string.

LEN (string-value [,ERR=line-ref|,ERC=error-code])
string-value
is any valid string.
line-ref
is the program line number or label to branch to if an error is produced by this function.
error-code
is a programmer-defined error code. Valid values are positive or negative whole numbers.
LEN ("COMPUTER")

returns the value 8.

LEN (A$)

If A$ = “COMPUTER”, has the same result as the first example.

LET X = LEN (B$)

If B$ = “TT000”, assigns the value 5 to X.

LET LENGTH = LEN ($AA$)

returns the value 1.

STL function

From the Thoroughbred Basic Language Reference, Volume II: F–Q, version 8.9.1. Open this page in the PDF