8.168 LEN — Length of a character entity

Description:

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:

Fortran 77 and later, with KIND argument Fortran 2003 and later

Class:

Inquiry function

Syntax:

L = LEN(STRING [, KIND])

Arguments:
STRINGShall be a scalar or array of type CHARACTER, with INTENT(IN)
KIND(Optional) A scalar INTEGER constant expression indicating the kind parameter of the result.
Return value:

The return value is of type INTEGER and of kind KIND. If KIND is absent, the return value is of default integer kind.

Specific names:
NameArgumentReturn typeStandard
LEN(STRING)CHARACTERINTEGERFortran 77 and later
See also:

LEN_TRIM — Length of a character entity without trailing blank characters,
ADJUSTL — Left adjust a string,
ADJUSTR — Right adjust a string