9.276 TRIM — Remove trailing blank characters of a string

Description:

Removes trailing blank characters of a string.

Standard:

Fortran 90 and later

Class:

Transformational function

Syntax:

RESULT = TRIM(STRING)

Arguments:
STRING Shall be a scalar of type CHARACTER.
Return value:

A scalar of type CHARACTER which length is that of STRING less the number of trailing blanks.

Example:
PROGRAM test_trim
  CHARACTER(len=10), PARAMETER :: s = "GFORTRAN  "
  WRITE(*,*) LEN(s), LEN(TRIM(s))  ! "10 8", with/without trailing blanks
END PROGRAM
See also:

ADJUSTL, ADJUSTR

© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-11.1.0/gfortran/TRIM.html