BDC for Asset Retirement - ABAVN

Make the file in txt format having the fields that are defined in the Structure below -

REPORT ZABAVN NO STANDARD PAGE HEADING LINE-SIZE 255.

"DECLARATION TYPES
DATA: W_FILENAME TYPE STRING.
SELECTION-SCREEN SKIP 1.
SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-500.
PARAMETERS: P_FILENM LIKE RLGRAP-FILENAME.
SELECTION-SCREEN END OF BLOCK B1.

TABLES: RAIFP2, RAIFP1, RAIFP3.
"STRUCTURE
TYPES : BEGIN OF ST,
        ANLN1(12),
        ANLN2(4),
        BLDAT(10),
        BUDAT(10),
        BZDAT(10),
        SGTXT(50),
        MONAT(2),
        BLART(2),
        BWASL(3),
        END OF ST.

*INTERNAL TABLE AND WORKAREA DECLARATION*
DATA : IT TYPE TABLE OF ST.
DATA : WA TYPE ST.

INCLUDE BDCRECX1.

START-OF-SELECTION.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR P_FILENM.

  CALL FUNCTION 'WS_FILENAME_GET'
       EXPORTING
            MASK             = ',*.*,*.*.'
            MODE             = '0'
            TITLE            = 'GET FILE NAME'
       IMPORTING
            FILENAME         = P_FILENM
       EXCEPTIONS
            INV_WINSYS       = 1
            NO_BATCH         = 2
            SELECTION_CANCEL = 3
            SELECTION_ERROR  = 4
            OTHERS           = 5.

** START OF CHANGE DCS05052003
START-OF-SELECTION.
 W_FILENAME = P_FILENM.
CALL FUNCTION 'GUI_UPLOAD'
  EXPORTING
**   FILENAME                    = 'C:\BDC_XLS_ASSIGN.TXT'
   FILENAME                      = W_FILENAME
   FILETYPE                      = 'ASC'
   HAS_FIELD_SEPARATOR           = 'X'
  TABLES
    DATA_TAB                     = IT
 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.
 MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO.
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.

PERFORM OPEN_GROUP.

LOOP AT IT INTO WA.

PERFORM BDC_DYNPRO      USING 'SAPLAMDP' '0100'.
PERFORM BDC_FIELD       USING 'BDC_OKCODE'
                              '=TAB02'.
PERFORM BDC_FIELD       USING 'RAIFP2-ANLN1'
                              WA-ANLN1."'80034358'.
PERFORM BDC_FIELD       USING 'RAIFP2-ANLN2'
                              WA-ANLN2."'0'.
PERFORM BDC_FIELD       USING 'RAIFP1-BLDAT'
                              WA-BLDAT."'31.12.2014'.
PERFORM BDC_FIELD       USING 'RAIFP1-BUDAT'
                              WA-BUDAT."'31.12.2014'.
PERFORM BDC_FIELD       USING 'RAIFP1-BZDAT'
                              WA-BZDAT."'01.04.2014'.
PERFORM BDC_FIELD       USING 'BDC_CURSOR'
                              'RAIFP2-SGTXT'.
PERFORM BDC_FIELD       USING 'RAIFP2-SGTXT'
                              WA-SGTXT."'RETIREMENT WITHOUT REVENUE'.
PERFORM BDC_DYNPRO      USING 'SAPLAMDP' '0100'.
PERFORM BDC_FIELD       USING 'BDC_OKCODE'
                              '=SHWD'.
PERFORM BDC_FIELD       USING 'RAIFP2-ANLN1'
                              WA-ANLN1."'80034358'.
PERFORM BDC_FIELD       USING 'RAIFP2-ANLN2'
                              WA-ANLN2."'0'.
PERFORM BDC_FIELD       USING 'RAIFP2-MONAT'
                              WA-MONAT."'9'.
PERFORM BDC_FIELD       USING 'RAIFP1-BLART'
                              WA-BLART."'AA'.
PERFORM BDC_FIELD       USING 'BDC_CURSOR'
                              'RAIFP1-BWASL'.
PERFORM BDC_FIELD       USING 'RAIFP1-BWASL'
                              WA-BWASL."'200'.
PERFORM BDC_DYNPRO      USING 'SAPMSSY0' '0120'.
PERFORM BDC_FIELD       USING 'BDC_OKCODE'
                              '=BUCH'.
PERFORM BDC_TRANSACTION USING 'ABAVN'.

ENDLOOP.

PERFORM CLOSE_GROUP.