1! Program to test the LEN and LEN_TRIM intrinsics.
2subroutine test (c)
3   character(*) c
4   character(len(c)) d
5
6   d = c
7   if (len(d) .ne. 20) STOP 1
8   if (d .ne. "Longer Test String") STOP 2
9   c = "Hello World"
10end subroutine
11
12subroutine test2 (c)
13   character (*) c
14   character(len(c)) d
15
16   d = c
17   if (len(d) .ne. 6) STOP 3
18   if (d .ne. "Foobar") STOP 4
19end subroutine
20
21program strlen
22   implicit none
23   character(20) c
24   character(5) a, b
25   integer i
26
27   c = "Longer Test String"
28   call test (c)
29
30   if (len(c) .ne. 20) STOP 5
31   if (len_trim(c) .ne. 11) STOP 6
32
33   call test2 ("Foobar");
34end program
35