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! (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.
!
! Description: how to set key values.
!
!
program set
use eccodes
implicit none
integer(kind=4) :: centre
integer(kind=4) :: int_value
character(len=10) :: string_value
character(len=20) :: string_centre
integer :: infile, outfile
integer :: igrib
infile = 5
outfile = 6
call codes_open_file(infile, &
'../../data/regular_latlon_surface_constant.grib1', 'r')
call codes_open_file(outfile, &
'../../data/out.grib1', 'w')
! A new grib message is loaded from file
! igrib is the grib id to be used in subsequent calls
call codes_grib_new_from_file(infile, igrib)
! set centre as a long
centre = 80
call codes_set(igrib, 'centre', centre)
! get centre as a integer*4
call codes_get(igrib, 'centre', int_value)
write (*, *) 'centre=', int_value
! get centre as a string
call codes_get(igrib, 'centre', string_value)
string_centre = 'centre='//string_value
write (*, *) string_centre
! write modified message to a file
call codes_write(igrib, outfile)
call codes_release(igrib)
call codes_close_file(infile)
call codes_close_file(outfile)
end program set
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