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C (C) Copyright 2005- ECMWF.
C
C This software is licensed under the terms of the Apache Licence Version 2.0
C which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
C
C In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
C virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
C
C
C
C Fortran 77 Implementation: set_fortran
C
C Description: how to set key values.
C
C
C
C
C
program set
implicit none
include 'grib_api_fortran.h'
integer err
integer*4 centre
integer*4 int_value
character*10 string_value
character*20 string_centre
integer len
integer size
integer infile,outfile
integer igrib,iret
character*256 error
infile=5
outfile=6
call grib_check(grib_open_file(infile
X,'../data/regular_latlon_surface.grib1','r'))
call grib_check(grib_open_file(outfile
X,'../data/out.grib1','w'))
C a new grib message is loaded from file
C igrib is the grib id to be used in subsequent calls
call grib_check(grib_new_from_file(infile,igrib))
C set centre as a long */
centre=80
call grib_check(grib_set_int(igrib,'centre',centre))
C get centre as a integer*4
call grib_check(grib_get_int(igrib,'centre',int_value))
write(*,*) 'centre=',int_value
C get centre as a string
call grib_check(grib_get_string(igrib,'centre',string_value))
string_centre='centre='//string_value
write(*,*) string_centre
C write modified message to a file
call grib_check(grib_write(igrib,outfile))
call grib_check(grib_release(igrib))
call grib_check(grib_close_file(infile))
call grib_check(grib_close_file(outfile))
end
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