LEN_TRIM — Length of a character entity without trailing blank characters ¶Returns the length of a character string, ignoring any trailing blanks.
Fortran 90 and later, with KIND argument Fortran 2003 and later
Elemental function
RESULT = LEN_TRIM(STRING [, KIND])
| STRING | Shall be a scalar of type CHARACTER,
withINTENT(IN) | 
| KIND | (Optional) A scalar INTEGERconstant
expression indicating the kind parameter of the result. | 
The return value is of type INTEGER and of kind KIND. If
KIND is absent, the return value is of default integer kind.
LEN — Length of a character entity, 
ADJUSTL — Left adjust a string, 
ADJUSTR — Right adjust a string