mode_util.f90

         CALL LFILEC(iresp,ilu,trim(tpreclist(ji)%name),iwork,ileng)
!          ALLOCATE(ytab(tpreclist(ji)%NSIZE))
         allocate(character(len=tpreclist(ji)%NSIZE)::ytab)
         DO jj=1,tpreclist(ji)%NSIZE
           ich = iwork(2+iwork(2)+jj)
!            ytab(jj) = CHAR(ich)
           ytab(jj:jj) = CHAR(ich)
         END DO
         CALL IO_WRITE_FIELD(outfiles%tfiles(idx)%TFILE,tpreclist(ji)%TFIELD,trim(ytab))
         DEALLOCATE(ytab)
        ELSE IF (infiles%files(1)%format == NETCDF_FORMAT) THEN
INCID = infiles%TFILES(1)%TFILE%NNCID
STATUS = NF90_INQ_VARID(INCID,tpreclist(ji)%TFIELD%CMNHNAME,IVARID)
IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__)
STATUS = NF90_INQUIRE_VARIABLE(INCID, IVARID, NDIMS=IDIMS, DIMIDS=IVDIMS)
IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__)
! if (ndims/=idims) then
if (idims/=1) then
print *,'aieeeeeee'
stop
end if
DO JJ=1,IDIMS
  STATUS = NF90_INQUIRE_DIMENSION(infiles%TFILES(1)%TFILE%NNCID, IVDIMS(JJ), LEN=IDIMLEN(JJ))
  IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__)
END DO
         allocate(character(len=IDIMLEN(1))::ytab)
         CALL IO_READ_FIELD (infiles%tfiles(1)%TFILE,   tpreclist(ji)%TFIELD,ytab)
         CALL IO_WRITE_FIELD(outfiles%tfiles(idx)%TFILE,tpreclist(ji)%TFIELD,ytab)
         DEALLOCATE(ytab)
        END IF

       CASE (TYPEDATE)
         IF (ndims/=0) CALL PRINT_MSG(NVERB_FATAL,'IO','fill_ncdf','only ndims=0 is supported for TYPEDATE')
!PW: TODO: tpreclist(ji)%TFIELD%CMNHNAME => tpreclist(ji)%TFIELD
         CALL IO_READ_FIELD (infiles%tfiles(1)%TFILE,   tpreclist(ji)%TFIELD%CMNHNAME,TZDATE)
         CALL IO_WRITE_FIELD(outfiles%tfiles(idx)%TFILE,tpreclist(ji)%TFIELD,TZDATE)

       CASE default
         CALL PRINT_MSG(NVERB_FATAL,'IO','fill_ncdf','invalid datatype')

       END SELECT

       if (options(OPTSPLIT)%set) idx = idx + 1
    END DO
    DEALLOCATE(itab,gtab,xtab)
    DEALLOCATE(iwork)
  END SUBROUTINE fill_ncdf

  SUBROUTINE build_lfi(infiles,outfiles,tpreclist,knaf,kbuflen)
    TYPE(filelist_struct),         INTENT(IN) :: infiles, outfiles
    TYPE(workfield), DIMENSION(:), INTENT(IN) :: tpreclist
    INTEGER,                       INTENT(IN) :: knaf
    INTEGER,                       INTENT(IN) :: kbuflen
    
    INTEGER :: kcdf_id, status
    INTEGER :: ivar,ji,jj,ndims
    INTEGER,DIMENSION(3) :: idims
    INTEGER(KIND=8), DIMENSION(:), POINTER  :: iwork
    INTEGER(KIND=8), DIMENSION(:), POINTER  :: idata
    REAL(KIND=8), DIMENSION(:,:,:), ALLOCATABLE :: xtab3d
    INTEGER,      DIMENSION(:,:,:), ALLOCATABLE :: itab3d
    CHARACTER,    DIMENSION(:), ALLOCATABLE :: ytab
    CHARACTER(LEN=FM_FIELD_SIZE)            :: yrecfm

    INTEGER :: iartlen, idlen, icomlen
    INTEGER(KIND=LFI_INT) :: iresp,ilu,iartlen8


    ilu = outfiles%files(1)%lun_id
    kcdf_id = infiles%files(1)%lun_id

    ! Un article LFI est compose de :
    !   - 1 entier identifiant le numero de grille
    !   - 1 entier contenant la taille du commentaire
    !   - le commentaire code en entier 64 bits
    !   - les donnees proprement dites

    PRINT *,'Taille buffer = ',2+kbuflen

    ALLOCATE(iwork(2+kbuflen))
    DO ivar=1,knaf
       IF (.NOT.tpreclist(ivar)%tbw) CYCLE

       icomlen = LEN(tpreclist(ivar)%TFIELD%CCOMMENT)
       IF (icomlen > NLFIMAXCOMMENTLENGTH) THEN
         PRINT *,'ERROR: comment length is too big. Please increase NLFIMAXCOMMENTLENGTH'
         STOP
       END IF

       ! traitement Grille et Commentaire
       iwork(1) = tpreclist(ivar)%TFIELD%NGRID
       iwork(2) = icomlen
       DO jj=1,iwork(2)
          iwork(2+jj)=ICHAR(tpreclist(ivar)%TFIELD%CCOMMENT(jj:jj))
       END DO


stop


       
       ! Attention restoration des '%' dans le nom des champs LFI
       yrecfm = str_replace(tpreclist(ivar)%name,'__','%')
       ! et des '.'
       yrecfm = str_replace(yrecfm,'--','.')
       iartlen8 = iartlen
       CALL LFIECR(iresp,ilu,yrecfm,iwork,iartlen8)

    END DO
    DEALLOCATE(iwork)

  END SUBROUTINE build_lfi

  SUBROUTINE OPEN_FILES(infiles,outfiles,hinfile,houtfile,nbvar_infile,options,runmode)
    USE MODD_CONF,          ONLY: LCARTESIAN
    USE MODD_CONF_n,        ONLY: CSTORAGE_TYPE
    USE MODD_DIM_n,         ONLY: NIMAX_ll, NJMAX_ll, NKMAX
    USE MODD_GRID,          ONLY: XBETA, XRPK, XLAT0, XLON0, XLATORI, XLONORI
    USE MODD_GRID_n,        ONLY: LSLEVE, XXHAT, XYHAT, XZHAT
    USE MODD_IO_ll,         ONLY: LIOCDF4
    USE MODD_PARAMETERS,    ONLY: JPHEXT
    USE MODD_PARAMETERS_ll, ONLY: JPHEXT_ll=>JPHEXT, JPVEXT_ll=>JPVEXT

    USE MODE_FM,               ONLY: IO_FILE_OPEN_ll, IO_FILE_CLOSE_ll
    USE MODE_IO_MANAGE_STRUCT, ONLY: IO_FILE_ADD2LIST
    TYPE(filelist_struct),INTENT(OUT) :: infiles, outfiles
    CHARACTER(LEN=*), INTENT(IN)  :: hinfile
    CHARACTER(LEN=*), INTENT(IN)  :: houtfile
    INTEGER         , INTENT(OUT) :: nbvar_infile
    TYPE(option),DIMENSION(:),INTENT(IN) :: options
    INTEGER         , INTENT(IN)  :: runmode

    INTEGER                     :: IRESP
    INTEGER                     :: extindex
    INTEGER(KIND=LFI_INT)       :: ilu,iresp2,iverb,inap,inaf
    INTEGER                     :: idx,status
    CHARACTER(LEN=4)            :: ypextsrc, ypextdest
    LOGICAL                     :: fexist
    INTEGER                     :: omode

    iverb = 0

    CALL init_sysfield()
    !
    ! Infiles
    !
    IF (runmode == MODECDF2CDF .OR. runmode == MODECDF2LFI) THEN
       !
       ! NetCDF
       !
       infiles%nbfiles = infiles%nbfiles + 1
       idx = infiles%nbfiles
       CALL IO_FILE_ADD2LIST(INFILES%TFILES(idx)%TFILE,HINFILE,'UNKNOWN','READ',HFORMAT='NETCDF4')
       CALL IO_FILE_OPEN_ll(INFILES%TFILES(idx)%TFILE)
       infiles%files(idx)%lun_id = INFILES%TFILES(idx)%TFILE%NNCID
       infiles%files(idx)%format = NETCDF_FORMAT
       infiles%files(idx)%status = READING
       infiles%files(idx)%opened  = .TRUE.

       status = NF90_INQUIRE(infiles%files(idx)%lun_id, nvariables = nbvar_infile)
       IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__)
   ELSE
       !
       ! LFI
       !
       infiles%nbfiles = infiles%nbfiles + 1
       idx = infiles%nbfiles
       CALL IO_FILE_ADD2LIST(INFILES%TFILES(idx)%TFILE,HINFILE,'UNKNOWN','READ', &
                             HFORMAT='LFI',KLFIVERB=0)
       CALL IO_FILE_OPEN_ll(INFILES%TFILES(idx)%TFILE)
       infiles%files(idx)%lun_id = INFILES%TFILES(idx)%TFILE%NLFIFLU
       infiles%files(idx)%format = LFI_FORMAT
       infiles%files(idx)%status = READING
       ilu = infiles%files(idx)%lun_id
       infiles%files(idx)%opened  = .TRUE.

       nbvar_infile = INFILES%TFILES(idx)%TFILE%NLFININAR

       IF (options(OPTLIST)%set) THEN
          CALL LFILAF(iresp2,ilu,lfalse)
          CALL IO_FILE_CLOSE_ll(INFILES%TFILES(idx)%TFILE)
          return
       END IF
   END IF
   !
   !Read problem dimensions and some grid variables (needed by IO_FILE_OPEN_ll to create netCDF files but also to determine IDIMX/Y/Z)
   CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'JPHEXT',JPHEXT)
   JPHEXT_ll = JPHEXT
   !CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'JPVEXT',JPVEXT,IRESP)
   !IF(IRESP/=0) JPVEXT=1
   JPVEXT_ll = JPVEXT
   !
   ALLOCATE(NIMAX_ll,NJMAX_ll,NKMAX)
   CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'IMAX',NIMAX_ll)
   CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'JMAX',NJMAX_ll)
   CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'KMAX',NKMAX)
   !
   CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'PROGRAM',CPROGRAM_ORIG)
   !
   ALLOCATE(CSTORAGE_TYPE)
   CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'STORAGE_TYPE',CSTORAGE_TYPE)
   !
   IF ( TRIM(CPROGRAM_ORIG)/='PGD' &
     .AND. .NOT.(TRIM(CPROGRAM_ORIG)=='REAL' .AND. CSTORAGE_TYPE=='SU') ) THEN !condition to detect PREP_SURFEX
     ALLOCATE(XXHAT(NIMAX_ll+2*JPHEXT))
     CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'XHAT',XXHAT)
     ALLOCATE(XYHAT(NJMAX_ll+2*JPHEXT))
     CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'YHAT',XYHAT)
     CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'CARTESIAN',LCARTESIAN)
     !
     CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'LAT0',XLAT0)
     CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'LON0',XLON0)
     CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'BETA',XBETA)
     !
     IF (.NOT.LCARTESIAN) THEN
       CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'RPK',   XRPK)
       CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'LATORI',XLATORI)
       CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'LONORI',XLONORI)
     ENDIF
     !
     IF (TRIM(CPROGRAM_ORIG)/='NESPGD') THEN
       ALLOCATE(XZHAT(NKMAX+2*JPVEXT))
       CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'ZHAT',XZHAT)
       ALLOCATE(LSLEVE)
       CALL IO_READ_FIELD(INFILES%TFILES(idx)%TFILE,'SLEVE',LSLEVE)
     END IF
   END IF
   !
   ! Outfiles
   !
   IF (runmode == MODELFI2CDF .OR. runmode == MODECDF2CDF) THEN
       !
       ! NetCDF
       !
       IF (.NOT.options(OPTSPLIT)%set) THEN
         outfiles%nbfiles = outfiles%nbfiles + 1

         idx = outfiles%nbfiles
         CALL IO_FILE_ADD2LIST(OUTFILES%TFILES(idx)%TFILE,HOUTFILE,'UNKNOWN','WRITE', &
                               HFORMAT='NETCDF4',OOLD=.TRUE.)
         CALL IO_FILE_OPEN_ll(OUTFILES%TFILES(idx)%TFILE,HPROGRAM_ORIG=CPROGRAM_ORIG)
         outfiles%files(idx)%lun_id = OUTFILES%TFILES(idx)%TFILE%NNCID
         outfiles%files(idx)%format = NETCDF_FORMAT
         outfiles%files(idx)%status = WRITING
         outfiles%files(idx)%opened  = .TRUE.

         IF (options(OPTCOMPRESS)%set) THEN
           outfiles%tfiles(idx)%tfile%LNCCOMPRESS       = .TRUE.
           outfiles%tfiles(idx)%tfile%NNCCOMPRESS_LEVEL = options(OPTCOMPRESS)%ivalue
         END IF

         IF (options(OPTREDUCE)%set) THEN
           outfiles%tfiles(idx)%tfile%LNCREDUCE_FLOAT_PRECISION = .TRUE.
         END IF

         status = NF90_SET_FILL(outfiles%files(idx)%lun_id,NF90_NOFILL,omode)
         IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__)
       END IF ! .NOT.osplit
    ELSE
       !
       ! LFI
       !
       outfiles%nbfiles = outfiles%nbfiles + 1
       idx = outfiles%nbfiles
       CALL IO_FILE_ADD2LIST(OUTFILES%TFILES(idx)%TFILE,houtfile,'UNKNOWN','WRITE', &
                             HFORMAT='LFI',KLFIVERB=0,OOLD=.TRUE.)
       LIOCDF4 = .FALSE. !Necessary to open correctly the LFI file
       CALL IO_FILE_OPEN_ll(OUTFILES%TFILES(idx)%TFILE)
       LIOCDF4 = .TRUE.
       outfiles%files(idx)%lun_id = OUTFILES%TFILES(idx)%TFILE%NLFIFLU
       outfiles%files(idx)%format = LFI_FORMAT
       outfiles%files(idx)%status = WRITING
       infiles%files(idx)%opened  = .TRUE.
   END IF

   PRINT *,'--> Fichier converti : ', TRIM(houtfile)

  END SUBROUTINE OPEN_FILES

  SUBROUTINE OPEN_SPLIT_NCFILES_OUT(outfiles,houtfile,nbvar,tpreclist,options)
    USE MODE_FM,               ONLY: IO_FILE_OPEN_ll
    USE MODE_IO_MANAGE_STRUCT, ONLY: IO_FILE_ADD2LIST
    TYPE(filelist_struct),         INTENT(INOUT) :: outfiles
    CHARACTER(LEN=*),              INTENT(IN)    :: houtfile
    INTEGER,                       INTENT(IN)    :: nbvar
    TYPE(workfield), DIMENSION(:), INTENT(IN)    :: tpreclist
    TYPE(option),DIMENSION(:),     INTENT(IN)    :: options

    INTEGER :: ji, idx
    INTEGER :: status
    INTEGER :: omode
    CHARACTER(LEN=MAXLEN) :: filename


    DO ji = 1,nbvar
      IF (tpreclist(ji)%tbw) outfiles%nbfiles = outfiles%nbfiles + 1
    END DO

    idx = 1
    DO ji = 1,nbvar
      IF (.NOT.tpreclist(ji)%tbw) CYCLE
      outfiles%files(idx)%var_id = ji

      filename = trim(houtfile)//'.'//trim(tpreclist(ji)%name)
      CALL IO_FILE_ADD2LIST(OUTFILES%TFILES(idx)%TFILE,filename,'UNKNOWN','WRITE', &
                            HFORMAT='NETCDF4')
      CALL IO_FILE_OPEN_ll(OUTFILES%TFILES(idx)%TFILE,HPROGRAM_ORIG=CPROGRAM_ORIG)
      outfiles%files(idx)%lun_id = OUTFILES%TFILES(idx)%TFILE%NNCID
      outfiles%files(idx)%format = NETCDF_FORMAT
      outfiles%files(idx)%status = WRITING
      outfiles%files(idx)%opened  = .TRUE.

      IF (options(OPTCOMPRESS)%set) THEN
        outfiles%tfiles(idx)%tfile%LNCCOMPRESS       = .TRUE.
        outfiles%tfiles(idx)%tfile%NNCCOMPRESS_LEVEL = options(OPTCOMPRESS)%ivalue
      END IF

      IF (options(OPTREDUCE)%set) THEN
        outfiles%tfiles(idx)%tfile%LNCREDUCE_FLOAT_PRECISION = .TRUE.
      END IF

      status = NF90_SET_FILL(outfiles%files(idx)%lun_id,NF90_NOFILL,omode)
      IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__)

      idx = idx + 1
    END DO

  END SUBROUTINE OPEN_SPLIT_NCFILES_OUT
  
  SUBROUTINE CLOSE_FILES(filelist)
    USE MODE_FM,    ONLY: IO_FILE_CLOSE_ll

    TYPE(filelist_struct),INTENT(INOUT) :: filelist
    
    INTEGER(KIND=LFI_INT) :: ilu,iresp
    INTEGER               :: ji,status

    DO ji=1,filelist%nbfiles
      IF ( .NOT.filelist%files(ji)%opened ) CYCLE

      CALL IO_FILE_CLOSE_ll(filelist%TFILES(ji)%TFILE)
      filelist%files(ji)%opened=.false.
    END DO

  END SUBROUTINE CLOSE_FILES

END MODULE mode_util