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REPORT z_carga.

TABLES: zmara.

DATA: sg_mara TYPE zmara,
      tg_mara TYPE STANDARD TABLE OF zmara.

DATA: p_filename TYPE string,
      p_filesal TYPE string.

PARAMETERS: p_file TYPE rlgrap-filename.

INITIALIZATION.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.

  CALL FUNCTION 'F4_FILENAME'
    EXPORTING
*     PROGRAM_NAME        = SYST-CPROG
*     DYNPRO_NUMBER       = SYST-DYNNR
      field_name = 'P_FILE'
    IMPORTING
      file_name  = p_file.

  p_filename = p_file.

  CALL FUNCTION 'GUI_UPLOAD'
    EXPORTING
      filename                = p_filename
      filetype                = 'ASC'
      has_field_separator     = 'X'
*     HEADER_LENGTH           = 0
*     READ_BY_LINE            = 'X'
*     DAT_MODE                = ' '
*     CODEPAGE                = ' '
*     IGNORE_CERR             = ABAP_TRUE
*     REPLACEMENT             = '#'
*     CHECK_BOM               = ' '
*     VIRUS_SCAN_PROFILE      =
*     NO_AUTH_CHECK           = ' '
*   IMPORTING
*     FILELENGTH              =
*     HEADER                  =
    TABLES
      data_tab                = tg_mara
*   CHANGING
*     ISSCANPERFORMED         = ' '
    EXCEPTIONS
      file_open_error         = 1
      file_read_error         = 2
      no_batch                = 3
      gui_refuse_filetransfer = 4
      invalid_type            = 5
      no_authority            = 6
      unknown_error           = 7
      bad_data_format         = 8
      header_not_allowed      = 9
      separator_not_allowed   = 10
      header_too_long         = 11
      unknown_dp_error        = 12
      access_denied           = 13
      dp_out_of_memory        = 14
      disk_full               = 15
      dp_timeout              = 16
      OTHERS                  = 17.
  IF sy-subrc <> 0.
* Implement suitable error handling here
  ENDIF.


  MODIFY ZMARA FROM TABLE tg_mara.

  CONCATENATE  p_filename '1' INTO p_filesal SEPARATED BY '_'.


  CALL FUNCTION 'GUI_DOWNLOAD'
    EXPORTING
*     BIN_FILESIZE                    =
      filename                       = p_filesal
     FILETYPE                        = 'DAT'
*     APPEND                          = ' '
*     WRITE_FIELD_SEPARATOR           = ' '
*     HEADER                          = '00'
*     TRUNC_TRAILING_BLANKS           = ' '
*     WRITE_LF                        = 'X'
*     COL_SELECT                      = ' '
*     COL_SELECT_MASK                 = ' '
*     DAT_MODE                        = ' '
*     CONFIRM_OVERWRITE               = ' '
*     NO_AUTH_CHECK                   = ' '
*     CODEPAGE                        = ' '
*     IGNORE_CERR                     = ABAP_TRUE
*     REPLACEMENT                     = '#'
*     WRITE_BOM                       = ' '
*     TRUNC_TRAILING_BLANKS_EOL       = 'X'
*     WK1_N_FORMAT                    = ' '
*     WK1_N_SIZE                      = ' '
*     WK1_T_FORMAT                    = ' '
*     WK1_T_SIZE                      = ' '
*     WRITE_LF_AFTER_LAST_LINE        = ABAP_TRUE
*     SHOW_TRANSFER_STATUS            = ABAP_TRUE
*     VIRUS_SCAN_PROFILE              = '/SCET/GUI_DOWNLOAD'
*   IMPORTING
*     FILELENGTH                      =
    tables
      data_tab                        = tg_mara
*     FIELDNAMES                      =
*   EXCEPTIONS
*     FILE_WRITE_ERROR                = 1
*     NO_BATCH                        = 2
*     GUI_REFUSE_FILETRANSFER         = 3
*     INVALID_TYPE                    = 4
*     NO_AUTHORITY                    = 5
*     UNKNOWN_ERROR                   = 6
*     HEADER_NOT_ALLOWED              = 7
*     SEPARATOR_NOT_ALLOWED           = 8
*     FILESIZE_NOT_ALLOWED            = 9
*     HEADER_TOO_LONG                 = 10
*     DP_ERROR_CREATE                 = 11
*     DP_ERROR_SEND                   = 12
*     DP_ERROR_WRITE                  = 13
*     UNKNOWN_DP_ERROR                = 14
*     ACCESS_DENIED                   = 15
*     DP_OUT_OF_MEMORY                = 16
*     DISK_FULL                       = 17
*     DP_TIMEOUT                      = 18
*     FILE_NOT_FOUND                  = 19
*     DATAPROVIDER_EXCEPTION          = 20
*     CONTROL_FLUSH_ERROR             = 21
*     OTHERS                          = 22
            .
  IF sy-subrc <> 0.
* Implement suitable error handling here
  ENDIF.