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Проблема open dataset



 
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Garik
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Joined: 11 Oct 2007
Posts: 60
PostPosted: Thu Jan 17, 2008 4:08 pm    Post subject: Проблема open dataset Reply with quote
Доброго денёчка,
пытаюсь прочитать в буфер содержимое бинарного файла (Excel) и сохранить в другой директории. Создаваемый файл получается большей длины и при открытии возникает ошибка. Вот код, можете подсказать, в чем проблема?

Code:
DATA: ls_filename TYPE rlgrap-filename,
      lt_content  TYPE sdokcntbin OCCURS 0 WITH HEADER LINE.

MOVE '1.xls' TO ls_filename.
OPEN DATASET ls_filename FOR INPUT IN BINARY MODE.
CHECK sy-subrc IS INITIAL.

DO.
  READ DATASET ls_filename INTO lt_content-line.
  IF NOT sy-subrc IS INITIAL.
    EXIT.
  ENDIF.
  APPEND lt_content.
ENDDO.

CLOSE DATASET ls_filename.
*DELETE DATASET ls_filename.

*****************************************************

CLEAR: ls_filename.
MOVE '2.xls' TO ls_filename.
OPEN DATASET ls_filename FOR OUTPUT IN BINARY MODE.
CHECK sy-subrc IS INITIAL.

LOOP AT lt_content.
  TRANSFER lt_content-line TO ls_filename.
ENDLOOP.
CLOSE DATASET ls_filename.
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vga
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Age: 170
Joined: 04 Oct 2007
Posts: 1218
Location: Санкт-Петербург
PostPosted: Thu Jan 17, 2008 5:52 pm    Post subject: Reply with quote
Судя по коду, вы записываете содержимое последней линии в таблице полностью, хотя она может быть заполнена частично.
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Garik
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Joined: 11 Oct 2007
Posts: 60
PostPosted: Fri Jan 18, 2008 12:37 pm    Post subject: Reply with quote
Спасибо, рабочий вариант:

Code:
REPORT z_rename_file.

DATA: ls_filename TYPE rlgrap-filename,
      lt_content  TYPE sdokcntbin OCCURS 0 WITH HEADER LINE,
      len TYPE i,
      pos TYPE i.

MOVE '1.xls' TO ls_filename.
OPEN DATASET ls_filename FOR INPUT IN BINARY MODE.
CHECK sy-subrc IS INITIAL.

*vvvvvvvvvvv
* Get length of the file
SET DATASET ls_filename POSITION END-OF-FILE.
GET DATASET ls_filename POSITION pos.
SET DATASET ls_filename POSITION 0.
*^^^^^^^^^^^

DO.
  READ DATASET ls_filename INTO lt_content-line ACTUAL LENGTH len.
  IF NOT sy-subrc IS INITIAL.
    EXIT.
  ENDIF.
  APPEND lt_content.
ENDDO.

CLOSE DATASET ls_filename.
DELETE DATASET ls_filename.

*****************************************************

CLEAR: ls_filename.
MOVE '2.xls' TO ls_filename.
OPEN DATASET ls_filename FOR OUTPUT IN BINARY MODE.
CHECK sy-subrc IS INITIAL.

LOOP AT lt_content.
  AT LAST.
    TRANSFER lt_content-line TO ls_filename LENGTH len.
    EXIT.
  ENDAT.
  TRANSFER lt_content-line TO ls_filename.
ENDLOOP.
CLOSE DATASET ls_filename.
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