open_file_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_file_ol(KUNIT,HFILE,HFORM,HACTION,HACCESS,KRECL)
!     #######################################################
!
!!****  *OPEN_FILE_OL* - routine to open a file
!!
!!    PURPOSE
!!    -------
!!
!!**  METHOD
!!    ------
!!
!!    EXTERNAL
!!    --------
!!
!!
!!    IMPLICIT ARGUMENTS
!!    ------------------
!!
!!    REFERENCE
!!    ---------
!!
!!
!!    AUTHOR
!!    ------
!!      V. Masson   *Meteo France*
!!
!!    MODIFICATIONS
!!    -------------
!!      Original    01/2003 
!       10/2014 : add 'status='old' E. Martin
!-------------------------------------------------------------------------------
!
!*       0.    DECLARATIONS
!              ------------
!
!
!
USE yomhook   ,ONLY : lhook,   dr_hook
USE parkind1  ,ONLY : jprb
!
USE modi_abor1_sfx
!
IMPLICIT NONE
!
!*       0.1   Declarations of arguments
!              -------------------------
!
INTEGER,           INTENT(OUT):: KUNIT    ! logical unit
 CHARACTER(LEN=28), INTENT(IN) :: HFILE    ! file to open
 CHARACTER(LEN=11), INTENT(IN) :: HFORM    ! type of file
 CHARACTER(LEN=9),  INTENT(IN) :: HACTION  ! action
 CHARACTER(LEN=6),  INTENT(IN) :: HACCESS  ! access type
INTEGER,           INTENT(IN) :: KRECL    ! record length
REAL(KIND=JPRB) :: ZHOOK_HANDLE
!
!*       0.2   Declarations of local variables
!              -------------------------------
!
!-------------------------------------------------------------------------------
!
IF (lhook) CALL dr_hook('OPEN_FILE_OL',0,zhook_handle)
kunit = 20
!
IF (hform=='FORMATTED') THEN
  OPEN(unit=kunit,file=hfile,action=haction,   &
         form=hform, status='OLD', err=100            )  
ELSE 
  IF (haccess=='DIRECT') THEN
    OPEN(unit=kunit,file=hfile,action=haction,                       &
                   form=hform,access=haccess,recl=krecl, status='OLD',err=100 )  
  ELSE
    OPEN(unit=kunit,file=hfile,action=haction, &
           form=hform, access=haccess, status='OLD', err=100           )  
  END IF
END IF
!
IF (lhook) CALL dr_hook('OPEN_FILE_OL',1,zhook_handle)
RETURN
100 CONTINUE
 CALL abor1_sfx('OPEN_FILE_OL: ERROR WHEN OPENING FILE '//hfile)
IF (lhook) CALL dr_hook('OPEN_FILE_OL',1,zhook_handle)
!-------------------------------------------------------------------------------
!
END SUBROUTINE open_file_ol