mirror of https://github.com/ecmwf/eccodes.git
64 lines
2.1 KiB
Fortran
64 lines
2.1 KiB
Fortran
! (C) Copyright 2005- ECMWF.
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!
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! This software is licensed under the terms of the Apache Licence Version 2.0
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! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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!
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! In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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! virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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!
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!
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!
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! Description: How to get an array of strings from a BUFR message.
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program bufr_get_string_array
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use eccodes
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implicit none
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integer :: ifile
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integer :: iret, i, n
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integer :: ibufr
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integer :: strsize
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integer, parameter :: max_strsize = 20
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character(len=max_strsize), dimension(:), allocatable :: stationOrSiteName
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call codes_open_file(ifile, '../../data/bufr/pgps_110.bufr', 'r')
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call codes_bufr_new_from_file(ifile, ibufr, iret)
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! Unpack the data values
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call codes_set(ibufr, 'unpack', 1)
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! Get the width of the strings which is the same for all of them
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call codes_get(ibufr, 'stationOrSiteName->width', strsize)
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! The width is given in bits
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strsize = strsize/8
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! max_strsize has to be set to a value >= to the size of the strings that we are getting
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! back from the call to codes_get_string_array
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if (strsize > max_strsize) then
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print *, 'stationOrSiteName array dimension is ', max_strsize, ' and should be ', strsize
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call exit(1)
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end if
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! Allocating the array of strings to be passed to codes_get_string_array is mandatory
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call codes_get_size(ibufr, 'stationOrSiteName', n)
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allocate (stationOrSiteName(n))
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! Passing an array of strings stationOrSiteName which must be allocated beforehand
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call codes_get_string_array(ibufr, 'stationOrSiteName', stationOrSiteName)
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do i = 1, n
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write (*, '(A)') trim(stationOrSiteName(i))
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end do
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! Remember to deallocate
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deallocate (stationOrSiteName)
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! Release memory associated with bufr handle
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! ibufr won't be accessible after this
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call codes_release(ibufr)
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! Close file
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call codes_close_file(ifile)
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end program bufr_get_string_array
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