open_filein_ol.F90

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!SFX_LIC Copyright 1994-2014 CNRS, Meteo-France and Universite Paul Sabatier
!SFX_LIC This is part of the SURFEX software governed by the CeCILL-C licence
!SFX_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt  
!SFX_LIC for details. version 1.
!     ######
      SUBROUTINE open_filein_ol
!     #######################################################
!!****  *OPEN_FILEIN_OL* - 

USE modd_surfex_mpi, ONLY : nrank, npio
!
USE modd_ol_fileid, ONLY : xnetcdf_filename_in, xid_in, &
                            xvar_to_filein, xid_varin 
!
USE yomhook   ,ONLY : lhook,   dr_hook
USE parkind1  ,ONLY : jprb
!
USE netcdf
!
IMPLICIT NONE

INTEGER, DIMENSION(:), ALLOCATABLE :: ITEMP
LOGICAL :: LLEXIST
INTEGER :: JFILE,IFILE_ID
INTEGER :: JRET, INB
REAL(KIND=JPRB) :: ZHOOK_HANDLE

!******************************************

IF (lhook) CALL dr_hook('OPEN_FILEIN_OL',0,zhook_handle)
IF (nrank==npio) THEN
  !
  inb=0
  ALLOCATE(itemp(SIZE(xnetcdf_filename_in)))
  ! 
  DO jfile=1,SIZE(xnetcdf_filename_in)
    INQUIRE(file=xnetcdf_filename_in(jfile),exist=llexist)
    IF (llexist) THEN
      jret=nf90_open(xnetcdf_filename_in(jfile),nf90_nowrite,ifile_id)
      IF (jret.EQ.nf90_noerr) THEN
        inb=inb+1
        itemp(inb)=ifile_id
      ENDIF
    ENDIF
  ENDDO
  !
  ALLOCATE(xid_in(inb))
  xid_in=itemp(1:inb)
  !
  ALLOCATE(xvar_to_filein(0))
  ALLOCATE(xid_varin(0))
  !
ENDIF
IF (lhook) CALL dr_hook('OPEN_FILEIN_OL',1,zhook_handle)

!******************************************

END SUBROUTINE open_filein_ol