RosettaCodeData/Task/Search-a-list/Fortran/search-a-list.f
2023-07-01 13:44:08 -04:00

35 lines
628 B
Fortran

program main
implicit none
character(len=7),dimension(10) :: haystack = [ &
'Zig ',&
'Zag ',&
'Wally ',&
'Ronald ',&
'Bush ',&
'Krusty ',&
'Charlie',&
'Bush ',&
'Boz ',&
'Zag ']
call find_needle('Charlie')
call find_needle('Bush')
contains
subroutine find_needle(needle)
implicit none
character(len=*),intent(in) :: needle
integer :: i
do i=1,size(haystack)
if (needle==haystack(i)) then
write(*,'(A,I4)') trim(needle)//' found at index:',i
return
end if
end do
write(*,'(A)') 'Error: '//trim(needle)//' not found.'
end subroutine find_needle
end program main