eccodes/examples/F90/codes_load_file.f90

44 lines
1.3 KiB
Fortran

! (C) Copyright 2005- ECMWF.
!
! This software is licensed under the terms of the Apache Licence Version 2.0
! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
!
! In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
! virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
!
!
program codes_load_file
use eccodes
implicit none
integer :: ifile, cnt, level, step
integer :: i, igrib, iret
character(len=32) :: infile_name = '../../data/index.grib'
call codes_open_file(ifile, infile_name, 'r')
call codes_any_load_all_from_file(ifile, cnt)
i = 45
call codes_any_new_from_loaded(i, igrib)
call codes_get(igrib, 'level', level)
call codes_get(igrib, 'stepRange', step)
print *, 'Num messages=', cnt
print *, 'Msg ',i,' level=',level, ' step=', step
call codes_release(igrib)
! Invalid msg number
i = 450
call codes_any_new_from_loaded(i, igrib, iret)
if (iret /= GRIB_INVALID_ARGUMENT) then
call codes_check(iret, 'Error', 'codes_any_new_from_loaded should have failed')
else
print *,'Invalid message index returned error (as expected)'
end if
call codes_close_file(ifile)
end program