Returns the length of a character string. If STRING is an array,
the length of an element of STRING is returned. Note that
STRING need not be defined when this intrinsic is invoked, since
only the length, not the content, of STRING is needed.
Standard:
F77 and later
Class:
Inquiry function
Syntax:
L = LEN(STRING)
Arguments:
STRING
Shall be a scalar or array of type
CHARACTER(*), with INTENT(IN)
Return value:
The return value is an INTEGER of the default kind.