topic Re: File Handling in Application Development and Automation Discussions

File Handling

Former Member — Wed, 08 Feb 2006 08:28:03 GMT

Hi Experts..

Can any body tell me how to use WS_QUERY and WS_FILENAME_GET with some example code.

Thanx in Advance.

Re: File Handling

Former Member — Wed, 08 Feb 2006 08:31:51 GMT

1.for ws_query

Internal table to store export data

DATA: begin of it_excelfile occurs 0,

row(500) type c,

end of it_excelfile.

DATA: rc TYPE sy-ucomm,

ld_answer TYPE c.

CALL FUNCTION 'WS_QUERY'

EXPORTING

query = 'FE' "File Exist?

filename = p_file

IMPORTING

return = rc.

IF rc NE 0. "If File alread exists

CALL FUNCTION 'POPUP_TO_CONFIRM'

EXPORTING

TITLEBAR = ' '
DIAGNOSE_OBJECT = ' '

text_question = 'File Already exists!!'

text_button_1 = 'Replace'

ICON_BUTTON_1 = ' '

text_button_2 = 'New name'

ICON_BUTTON_2 = ' '
DEFAULT_BUTTON = '1'
DISPLAY_CANCEL_BUTTON = 'X'
USERDEFINED_F1_HELP = ' '
START_COLUMN = 25
START_ROW = 6
POPUP_TYPE =

IMPORTING

answer = ld_answer

TABLES
PARAMETER =

EXCEPTIONS

text_not_found = 1

OTHERS = 2.

Option 1: Overwrite

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

IF ld_answer EQ '1'.

CALL FUNCTION 'GUI_DOWNLOAD'

EXPORTING

BIN_FILESIZE =

filename = p_file "File Name

filetype = 'ASC'

IMPORTING
FILELENGTH =

TABLES

data_tab = it_excelfile "Data table

EXCEPTIONS

file_write_error = 1

no_batch = 2

gui_refuse_filetransfer = 3

invalid_type = 4

OTHERS = 5.

IF sy-subrc <> 0.

MESSAGE i003(zp) WITH

'There was an error during Excel file creation'(200).

exit. "Causes short dump if removed and excel document was open

ENDIF.

Option 2: New name.

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

ELSEIF ld_answer EQ '2'.

CALL FUNCTION 'DOWNLOAD'

EXPORTING

filename = p_file "File name

filetype = 'ASC' "File type

col_select = 'X' "COL_SELECT
col_selectmask = 'XXXXXXXXXXXXXXXXXXXXXXXXXX'
"COL_SELECTMASK

filetype_no_show = 'X' "Show file type selection?

IMPORTING
act_filename = filename_dat

TABLES

data_tab = it_excelfile "Data table

fieldnames =

EXCEPTIONS

file_open_error = 01

file_write_error = 02

invalid_filesize = 03

invalid_table_width = 04

invalid_type = 05

no_batch = 06

unknown_error = 07.

ENDIF.

ELSE. "File does not alread exist.

CALL FUNCTION 'GUI_DOWNLOAD'

EXPORTING

BIN_FILESIZE =

filename = p_file "File name

filetype = 'ASC' "File type

IMPORTING
FILELENGTH =

TABLES

data_tab = it_excelfile "Data table

EXCEPTIONS

file_write_error = 1

no_batch = 2

gui_refuse_filetransfer = 3

invalid_type = 4

OTHERS = 5.

IF sy-subrc <> 0.

MESSAGE i003(zp) WITH

'There was an error during Excel file creation'(200).

exit. "Causes short dump if removed and excel document was open

ENDIF.

2. for ws_filename_get..

REPORT ZEXCEL LINE-SIZE 170 LINE-COUNT 58

NO STANDARD PAGE HEADING.

DATA: BEGIN OF TBXLS OCCURS 5,

LINE LIKE SY-TABIX,

COLN TYPE I,

STRING(1024) TYPE C,

END OF TBXLS,

BEGIN OF TABXLS OCCURS 5,

LINEA TYPE I,

CODIGO(10) TYPE C,

NUMLINEA TYPE I,

TEXTO(80),

END OF TABXLS.

DATA: P_NCOLN TYPE I.

Ole objects declaration

DATA: H_APPL LIKE OBJ_RECORD,

H_WORK LIKE OBJ_RECORD,

H_CELL LIKE OBJ_RECORD.

INCLUDE OLE2INCL.

INCLUDE DOCSINCL.

SELECTION-SCREEN BEGIN OF BLOCK B0 WITH FRAME.

PARAMETERS: P_CAMI LIKE RLGRAP-FILENAME. "Archivo Excel

PARAMETERS: P_NLINE LIKE SY-INDEX. "Numero aproximado de lineas

SELECTION-SCREEN END OF BLOCK B0.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR P_CAMI.

CALL FUNCTION 'WS_FILENAME_GET'

EXPORTING

DEF_FILENAME = ' '

DEF_PATH = P_CAMI

MASK = ',*.xls.'

MODE = 'O'

TITLE = 'Archivo a importar'

IMPORTING

FILENAME = P_CAMI

EXCEPTIONS

INV_WINSYS = 01

NO_BATCH = 02

SELECTION_CANCEL = 03

SELECTION_ERROR = 04.

INITIALIZATION.

P_CAMI = 'C:PLANTILLAS.XLS'.

IF P_NLINE IS INITIAL.

P_NLINE = 1000.

ENDIF.

Numero de columnas

P_NCOLN = 4.

START-OF-SELECTION.

PERFORM PROCESSA_PLANILHA.

PERFORM IMPRIMIR_PLANILHA.

IF SY-SUBRC = 0.

ENDIF.

Criar remessas de Exporta‡Æo.

END-OF-SELECTION.

*&----

*& Form PROCESSA_PLANILHA

*&----

FORM PROCESSA_PLANILHA.

Start Excel

IF H_APPL-HEADER = SPACE OR H_APPL-HANDLE = -1.

CREATE OBJECT H_APPL 'EXCEL.APPLICATION'.

IF SY-SUBRC NE 0. MESSAGE I002(SY) WITH SY-MSGLI. ENDIF.

SET PROPERTY OF H_APPL 'VISIBLE' = 0.

ENDIF.

Open file

CALL METHOD OF H_APPL 'WORKBOOKS' = H_WORK.

CALL METHOD OF H_WORK 'OPEN' EXPORTING #1 = P_CAMI.

Ler dados da tabela Excel.

PERFORM CAPTURAR_DADOS.

Release Excel

CALL METHOD OF H_APPL 'QUIT'.

FREE OBJECT H_APPL.

H_APPL-HANDLE = -1.

Se a primeira linha for comentarios (nome dos campos)
DELETE tbxls WHERE ( string = space ) OR
( line = 1 ).

SORT TBXLS BY LINE COLN.

REFRESH TABXLS.

CLEAR TABXLS.

LOOP AT TBXLS.

AT NEW LINE.

CLEAR TABXLS.

ENDAT.

IF ( TBXLS-COLN = 1 ).

MOVE TBXLS-STRING TO TABXLS-LINEA.

ELSEIF ( TBXLS-COLN = 2 ).

MOVE TBXLS-STRING TO TABXLS-CODIGO.

ELSEIF ( TBXLS-COLN = 3 ).

MOVE TBXLS-STRING TO TABXLS-NUMLINEA.

ELSEIF ( TBXLS-COLN = 4 ).

MOVE TBXLS-STRING TO TABXLS-TEXTO.

ENDIF.

AT END OF LINE.

APPEND TABXLS.

ENDAT.

ENDLOOP.

ENDFORM. " PROCESSA_PLANILHA

*----

FORM CAPTURAR_DADOS *

*----

........ *

*----

FORM CAPTURAR_DADOS.

DATA: EXCEL_LINE LIKE SY-INDEX,

EXCEL_COLN LIKE SY-INDEX,

CELL_VALUE(132) TYPE C.

DO P_NLINE TIMES.

EXCEL_LINE = SY-INDEX.

Display indicator

DO P_NCOLN TIMES.

EXCEL_COLN = SY-INDEX.

Get cell value data

CALL METHOD OF H_APPL 'CELLS' = H_CELL

EXPORTING #1 = EXCEL_LINE

#2 = EXCEL_COLN.

GET PROPERTY OF H_CELL 'VALUE' = CELL_VALUE.

CLEAR: TBXLS.

TBXLS-LINE = EXCEL_LINE.

TBXLS-COLN = EXCEL_COLN.

TBXLS-STRING = CELL_VALUE.

APPEND TBXLS.

ENDDO.

ENDFORM. " Capturar_dados

*&----

*& Form IMPRIMIR_PLANILHA

*&----

FORM IMPRIMIR_PLANILHA.

LOOP AT TABXLS.

WRITE: / TABXLS-LINEA, TABXLS-CODIGO, TABXLS-NUMLINEA, TABXLS-TEXTO.

ENDLOOP.

ENDFORM.

reward points if helpful

Re: File Handling

Former Member — Wed, 08 Feb 2006 08:31:51 GMT

You can find example code at : http://www.sapgenie.com/abap/code/abap1.htm

tables:
       SSCRFIELDS. "

   data:
       IT(5000) OCCURS 100 WITH HEADER LINE.

   *-parameters----------------------------------------------------------*
   selection-screen:
       begin of block b1 with frame title text-004.
   parameters:
       sfn(128) obligatory lower case memory id z0s   " server file name
                default '/usr/sap/tmp/?',
       pfn(128) obligatory lower case memory id z0p   " pc file name
                default 'c:temptemp.txt',
       efn(128) obligatory lower case                 " editor file name
                DEFAULT 'notepad.exe'.
   selection-screen:
       skip,
       PUSHBUTTON /05(23) TEXT-001 USER-COMMAND ZGET, "Serv -> PC
       PUSHBUTTON  30(23) TEXT-002 USER-COMMAND ZPUT, "PC -> Serv
       PUSHBUTTON  55(23) TEXT-003 USER-COMMAND ZPAD, "Ver fichero
       end of block b1.
*-mainline------------------------------------------------------------*

*-events--------------------------------------------------------------*
   at selection-screen.
       case sscrfields-ucomm.
       when 'ZGET'.  perform getfrsrv.
       when 'ZPUT'.  perform puttosrv.
       when 'ZPAD'.  perform editfile.
       endcase.

   AT SELECTION-SCREEN ON VALUE-REQUEST FOR EFN.
     CALL FUNCTION 'WS_FILENAME_GET'
          EXPORTING
               DEF_FILENAME     = EFN
               DEF_PATH         = '/'
               MASK             = ',*.*,*.*.'
               MODE             = 'O'
               TITLE            = 'Get filename'
          IMPORTING
               FILENAME         = EFN
*              rc               =
          EXCEPTIONS
               INV_WINSYS       = 01
               NO_BATCH         = 02
               SELECTION_CANCEL = 03
               SELECTION_ERROR  = 04.

*-forms---------------------------------------------------------------*
   form editfile.
       data:
           exists value '0'.
       perform fileexists
           changing exists.
       if exists = '0'.
           refresh it.
           perform download.
           endif.
       perform runnotepad.
       endform.

*---------------------------------------------------------------------*
   form fileexists
       changing exists.
       call function 'WS_QUERY'
            exporting
                 filename       = pfn
                 query          = 'FE'     " file exists?
            importing
                 return         = exists
            exceptions
                 inv_query      = 1
                 no_batch       = 2
                 frontend_error = 3
                 others         = 4.
       endform.

*---------------------------------------------------------------------*
   form getfrsrv.
       refresh it.
       perform dsopen_input_text
           using sfn.
       perform xfer2it.
       perform download.
       perform runnotepad.
       endform.

*-forms---------------------------------------------------------------*
  form puttosrv.
       refresh it.
       perform upload.
       perform dsopen_output_text
          using sfn.
       perform xferfromit
           using sfn.
       endform.

*---------------------------------------------------------------------*
   form xferfromit
       using dsn.
       loop at it.
           perform dswrite
               using dsn
                     it.
           endloop.
       endform.

*---------------------------------------------------------------------*
   form xfer2it.
       while sy-subrc = 0.
           perform dsread
               using    sfn
               changing it.
           if sy-subrc <> 0.
               exit.
               endif.
           append it.
           endwhile.
       perform dsclose
           using sfn.
       endform.

*---------------------------------------------------------------------*
   form download.
       call function 'WS_DOWNLOAD'
            exporting
                 filename            = pfn
            tables
                 data_tab            = it
            exceptions
                 file_open_error     = 1
                 file_write_error    = 2
                 invalid_filesize    = 3
                 invalid_table_width = 4
                 invalid_type        = 5
                 no_batch            = 6
                 unknown_error       = 7
                 others              = 8.
      perform checkrc
           using 'WS_DOWNLOAD'.
       endform.

*---------------------------------------------------------------------*
   form runnotepad.
       data pgm(128).
       concatenate
           efn pfn into pgm
           separated by space.
       call function 'WS_EXECUTE'
            exporting
                 program        = pgm
            exceptions
                 frontend_error = 1
                 no_batch       = 2
                 prog_not_found = 3
                 illegal_option = 4
                 others         = 5.
       perform checkrc
           using 'WS_EXECUTE'.
       endform.

*---------------------------------------------------------------------*
   form upload.
       call function 'WS_UPLOAD'
            exporting
                 filename            = pfn
           tables
                 data_tab            = it
            exceptions
                 conversion_error    = 1
                 file_open_error     = 2
                 file_read_error     = 3
                 invalid_table_width = 4
                 invalid_type        = 5
                 no_batch            = 6
                 unknown_error       = 7
                 others              = 8.
       perform checkrc
           using 'WS_UPLOAD'.
       endform.

*---------------------------------------------------------------------*
   form writetoscrn.
       window starting at 5  3
              ending   at 90 15.
       loop at it.
           write it.
           endloop.
       endform.

*---------------------------------------------------------------------*
   form checkrc using n.
       if sy-subrc <> 0.
           write: / 'rc=', sy-subrc, 'from', n.
           stop.
           endif.
       endform.

*-macro-for-form-definition-------------------------------------------*
  define dsform_open.
       form dsopen_&1_&2 using
               dsn  type c.
           data msg(80).
           open dataset dsn for &1 in &2 mode message msg.
           if sy-subrc <> 0.
               message e001(zk) with 'Error opening' dsn msg.
               endif.
           endform.
       end-of-definition.

*---------------------------------------------------------------------*
  dsform_open input  text.
   dsform_open input  binary.
   dsform_open output text.
   dsform_open output binary.
*--------------------------------------------------------------------
   form dsread
       using    dsn type c
       changing rec.

       statics: rctr type i.

       read dataset dsn into rec.
       case sy-subrc.
       when 0.
           add 1 to rctr.
       when 4.
           message s001(zk) with rctr 'records read from' dsn.
       when others.
           message e001(zk) with 'Error reading' dsn 'rc=' sy-subrc.
           endcase.
       endform.

*--------------------------------------------------------------------
   form dswrite
       using    dsn type c
                rec.

    statics: rctr type i.

      transfer rec to dsn.
       case sy-subrc.
       when 0.
           add 1 to rctr.
       when others.
           message e001(zk) with 'Error writing to' dsn 'rc=' sy-subrc.
           endcase.
       endform.

*--------------------------------------------------------------------
   form dsclose
       using dsn type c.
       close dataset dsn.
       if sy-subrc <> 0.
           message e001(zk) with 'Error closing' dsn 'rc=' sy-subrc.
           endif.
       endform.

Re: File Handling

Former Member — Wed, 08 Feb 2006 08:37:46 GMT

here is a sample program for ws_query

/**************************************************************/

/ */

/ Check users workstation is running WINDOWS, */

/ WINDOWS 95, or WINDOWS NT. OS/2 no good for */

/ this application. */

/ */

/**************************************************************/

CALL FUNCTION 'WS_QUERY'

EXPORTING

QUERY = 'WS'

IMPORTING

RETURN = WINSYS.

IF WINSYS(2) NE 'WN'. "Win 3.X no good either

WRITE: / 'Windows NT or Windows 95/98 is required'.

EXIT.

ENDIF.

FORM get_file_name USING x_file_field_name

CHANGING y_file_name_with_path.

DATA : lv_file_path TYPE rlgrap-filename,

lv_file_name TYPE rlgrap-filename.

PERFORM read_screen_values USING x_file_field_name

CHANGING y_file_name_with_path.

PERFORM split_path USING y_file_name_with_path

CHANGING lv_file_path

lv_file_name.

CALL FUNCTION 'WS_FILENAME_GET'

EXPORTING

def_filename = lv_file_name

def_path = lv_file_path

mask = ',.,..'

mode = 'O'

title = 'Directory'

IMPORTING

filename = p_infile

EXCEPTIONS

OTHERS = 1.

ENDFORM. " get_file_name

Re: File Handling

Former Member — Wed, 08 Feb 2006 09:09:13 GMT

hi,

below is the code for ws_filename_get.

CALL FUNCTION 'WS_FILENAME_GET'

EXPORTING

DEF_PATH = P_FILE

MASK = ',*.txt.'

MODE = ' '

IMPORTING

FILENAME = F_NAME

EXCEPTIONS

INV_WINSYS = 1

NO_BATCH = 2

SELECTION_CANCEL = 3

SELECTION_ERROR = 4.

<b>instead of ws_filename_get u can use below functionmodule because ws_filename_get is obsolete in current version.</b>

CALL METHOD CL_GUI_FRONTEND_SERVICES=>FILE_OPEN_DIALOG

EXPORTING

DEFAULT_EXTENSION =

DEFAULT_FILENAME = 'c:temp.txt'

FILE_FILTER = FILTER01

INITIAL_DIRECTORY = DIRECTORY

CHANGING

FILE_TABLE = ITAB

RC = RC01

USER_ACTION = ACTION01

FILE_ENCODING =

EXCEPTIONS

FILE_OPEN_DIALOG_FAILED = 1

CNTL_ERROR = 2

ERROR_NO_GUI = 3

NOT_SUPPORTED_BY_GUI = 4

others = 5.

IF SY-SUBRC <> 0.

MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

below is for ws_query.

CALL FUNCTION 'WS_QUERY'

EXPORTING

FILENAME = filename

QUERY = 'FE'

IMPORTING

RETURN = RC

EXCEPTIONS

INV_QUERY = 1

NO_BATCH = 2

FRONTEND_ERROR = 3

OTHERS = 4.

<b>instead of ws_query u can use below function module because ws_query is obsolete in current version</b>

CALL METHOD CL_GUI_FRONTEND_SERVICES=>FILE_EXIST

EXPORTING

FILE = filename

RECEIVING

RESULT = W_RESULT

EXCEPTIONS

CNTL_ERROR = 1

ERROR_NO_GUI = 2

WRONG_PARAMETER = 3

NOT_SUPPORTED_BY_GUI = 4

others = 5.

IF SY-SUBRC <> 0.

MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

Regards,

sunil.

Re: File Handling

Former Member — Wed, 08 Feb 2006 09:41:11 GMT

Hi,

Go through the code extract below. Hope this will be helpful.

DATA: V_FILENAME01 TYPE RLGRAP-FILENAME,

V_RC TYPE I,

V_TEXT_QUESTION TYPE STRING,

V_TEXT_QUESTION1 TYPE STRING,

V_ANSWER TYPE STRING.

CALL FUNCTION 'WS_FILENAME_GET'

EXPORTING

DEF_FILENAME = ' '

DEF_PATH = 'C:\'

MASK = ' '
MODE = ' '
TITLE = ' '

IMPORTING

FILENAME = V_FILENAME01

RC = V_RC

EXCEPTIONS

INV_WINSYS = 1

NO_BATCH = 2

SELECTION_CANCEL = 3

SELECTION_ERROR = 4

OTHERS = 5.

IF SY-SUBRC <> 0.

MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ELSE.

CALL FUNCTION 'WS_QUERY'

EXPORTING

ENVIRONMENT =

FILENAME = V_FILENAME01

QUERY = 'FE'

WINID =
IMPORTING
RETURN =

EXCEPTIONS

INV_QUERY = 1

NO_BATCH = 2

FRONTEND_ERROR = 3

OTHERS = 4.

IF SY-SUBRC <> 0.

MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ELSE.

CONCATENATE 'ARE YOU SURE TO DELETE FILE ' V_FILENAME01 ' ?' INTO

V_TEXT_QUESTION1.

CALL FUNCTION 'POPUP_TO_CONFIRM'

EXPORTING

TITLEBAR = ' '
DIAGNOSE_OBJECT = ' '

TEXT_QUESTION = V_TEXT_QUESTION1

TEXT_BUTTON_1 = 'Ja'(001)
ICON_BUTTON_1 = ' '
TEXT_BUTTON_2 = 'Nein'(002)
ICON_BUTTON_2 = ' '

DEFAULT_BUTTON = '1'

DISPLAY_CANCEL_BUTTON = 'X'

USERDEFINED_F1_HELP = ' '
START_COLUMN = 25
START_ROW = 6
POPUP_TYPE =
IV_QUICKINFO_BUTTON_1 = ' '
IV_QUICKINFO_BUTTON_2 = ' '

IMPORTING

ANSWER = V_ANSWER

TABLES
PARAMETER =

EXCEPTIONS

TEXT_NOT_FOUND = 1

OTHERS = 2.

IF SY-SUBRC <> 0.

MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

IF V_ANSWER = '1'.

CALL FUNCTION 'WS_FILE_DELETE'

EXPORTING

FILE = V_FILENAME01

IMPORTING

RETURN = V_RC.

IF V_RC = '0'.

WRITE: 'FILE DELETED SUCCESSFULLY'.

ENDIF.

Regards,

Vaitheeswaran.