Converting an internal SAP table into text with a delimiter

REPORT y_ss_test_ekko .
 
* To hold selection data
DATA: i_ekko TYPE STANDARD TABLE OF ekko.
* To hold converted text data
DATA: i_text(4096) TYPE c OCCURS 0.
 
* Selection Screen
PARAMETERS: p_ebeln LIKE ekko-ebeln.
 
* Select data into an ITAB based on the selection Criteria 
SELECT * FROM  ekko
         INTO  TABLE i_ekko
         WHERE ebeln = p_ebeln.
 
* Process further only if found some data 
IF NOT i_ekko[] IS INITIAL.
 
* Convert data in internal table to a delimited text data
  CALL FUNCTION 'SAP_CONVERT_TO_TEX_FORMAT'
       EXPORTING
            i_field_seperator    = '|'
       TABLES
            i_tab_sap_data       = i_ekko
       CHANGING
            i_tab_converted_data = i_text
       EXCEPTIONS
            conversion_failed    = 1
            OTHERS               = 2.
  IF sy-subrc <> 0.
    WRITE: / 'Program failed to Convert data.'.
  ELSE.
 
*   Download convert data to Presentation Server
    CALL FUNCTION 'DOWNLOAD'
         TABLES
              data_tab = i_text
         EXCEPTIONS
              OTHERS   = 8.
    IF sy-subrc <> 0.
      WRITE: / 'Program failed to download data.'.
    ENDIF.
  ENDIF.
ENDIF.