eccodes/examples/F90/new_from_file.f90

! (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 new_from_file
   use eccodes
   implicit none
   integer           :: ifile
   integer           :: iret
   integer           :: count1 = 0

   ! Message identifier.
   integer            :: igrib

   ifile = 5

   call codes_open_file(ifile, '../../data/collection.grib1', 'r')

   ! Loop on all the messages in a file.
   call codes_grib_new_from_file(ifile, igrib, iret)

   do while (iret == CODES_SUCCESS)
      count1 = count1 + 1
      print *, "===== Message #", count1
      call codes_grib_new_from_file(ifile, igrib, iret)

   end do
   if (iret /= CODES_END_OF_FILE) then
      call codes_check(iret, 'new_from_file', '')
   end if

   call codes_close_file(ifile)

end program