How to read file from prsntn server in Inbound idoc FM.

Hi Experts,
I am new to idoc.
I have requirment that i need to read a file from presentation and application server and put in inbound idoc FM.Idoc will be processed in batch.
How can i put selection screen in FM and read the file?or how can i proceed with the solution?
Please help..
Umesh

Hi Umesh,
My understanding on your requirement is to read a file from pres. server and pass the data to an IDoc function module. Am I correct?
If this is the case then you can create a report which picks up the file from pres. server and then read data from the file and pass it to the parameters of the required function module.
Hope this helps.
Regards,
-Sandeep

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Hi Experts,
              I developed report and execute in background mode. for this i used Open dataset transfer and close dataset . i got the requried output . But in this case user want downloaded file on presentation server so can anyone tell me How to download file from application server?
i know it is possible through Tcode CG3Y. but i want code in program.

This code will download a file to your Client package by package, so it will also work for huge files.
*& Report ZBI_DOWNLOAD_APPSERVER_FILE
REPORT zbi_download_appserver_file.
PARAMETERS: lv_as_fn TYPE sapb-sappfad
DEFAULT '/usr/sap/WBP/DVEBMGS00/work/ZBSPL_R01.CSV'.
PARAMETERS: lv_cl_fn TYPE string
DEFAULT 'C:\Users\atsvioli\Desktop\Budget Backups\ZBSPL_R01.CSV'.
START-OF-SELECTION.
CONSTANTS blocksize TYPE i VALUE 524287.
CONSTANTS packagesize TYPE i VALUE 8.
TYPES ty_datablock(blocksize) TYPE x.
DATA lv_fil TYPE epsf-epsfilnam.
DATA lv_dir TYPE epsf-epsdirnam.
DATA ls_data TYPE ty_datablock.
DATA lt_data TYPE STANDARD TABLE OF ty_datablock.
DATA lv_block_len TYPE i.
DATA lv_package_len TYPE i.
DATA lv_subrc TYPE sy-subrc.
DATA lv_msgv1 LIKE sy-msgv1.
DATA lv_processed_so_far TYPE p.
DATA lv_append TYPE c.
DATA lv_status TYPE string.
DATA lv_filesize TYPE p.
DATA lv_percent TYPE i.
"Determine size
SPLIT lv_as_fn AT '/' INTO lv_dir lv_fil.
CALL FUNCTION 'EPS_GET_FILE_ATTRIBUTES'
    EXPORTING
      file_name      = lv_fil
      dir_name       = lv_dir
    IMPORTING
      file_size_long = lv_filesize.
"Open the file on application server
OPEN DATASET lv_as_fn FOR INPUT IN BINARY MODE MESSAGE lv_msgv1.
IF sy-subrc <> 0.
    MESSAGE e048(cms) WITH lv_as_fn lv_msgv1 RAISING file_read_error.
    EXIT.
ENDIF.
lv_processed_so_far = 0.
DO.
    REFRESH lt_data.
    lv_package_len = 0.
    DO packagesize TIMES.
      CLEAR ls_data.
      CLEAR lv_block_len.
      READ DATASET lv_as_fn INTO ls_data MAXIMUM LENGTH blocksize LENGTH lv_block_len.
      lv_subrc = sy-subrc.
      IF lv_block_len > 0.
        lv_package_len = lv_package_len + lv_block_len.
        APPEND ls_data TO lt_data.
      ENDIF.
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      IF lv_subrc <> 0.
        EXIT.
      ENDIF.
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        lv_append = ' '.
      ELSE.
        lv_append = 'X'.
      ENDIF.
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          filename             = lv_cl_fn
          filetype             = 'BIN'
          append               = lv_append
          show_transfer_status = abap_false
        TABLES
          data_tab             = lt_data.
      lv_processed_so_far = lv_processed_so_far + lv_package_len.
      "Status display
      lv_percent = lv_processed_so_far * 100 / lv_filesize.
      lv_status = |{ lv_percent }% - { lv_processed_so_far } bytes downloaded of { lv_filesize }|.
      CALL FUNCTION 'SAPGUI_PROGRESS_INDICATOR'
        EXPORTING          "percentage = lv_percent - will make it fash
          text = lv_status.
    ENDIF.
    "End of file
    IF lv_subrc <> 0.
      EXIT.
    ENDIF.
ENDDO.
"Close the file on application server
CLOSE DATASET lv_as_fn.

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Thanks in advance
Namita

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         customer type kna1-kunnr,
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DYNPRO_NUMBER       = SYST-DYNNR
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     filetype                      = 'DAT'
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FILELENGTH                    =
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     conversion_error              = 1
     file_open_error               = 2
     file_read_error               = 3
     invalid_type                  = 4
     no_batch                      = 5
     unknown_error                 = 6
     invalid_table_width           = 7
     gui_refuse_filetransfer       = 8
     customer_error                = 9
     no_authority                  = 10
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loop at it_file.
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When i try to read file from server,the following message is displayed .
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I have to read a file from FTP server, manipulate it and then create another file at the same location.
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Hi Adam,
The source code in the below link has details about how to read/write to application server.
[Application server file operartions|http://www.divulgesap.com/blog.php?p=NDk=]
Please let us know if you have any issues.
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How to copy file from one folder of application server and paste it to other folder of application server(application server is same)?
Is there any function module exists???
thanks in advance
Saurabh

Hi you can use this function module to move a file from application server to another folder on application server.
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           exporting
                destination = m_destination
                source      = m_source
           importing
                return      = return.
Plus u can use this function module to delete the file from that folder from which u want to replace it.
      call function 'WS_FILE_DELETE'
           exporting
                file   = m_source
           importing
                return = return.
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Dynamically Reading Files From Application Server

Hi Experts,
Presently I have to write a program which reads files from the application server dynamically. This program will be scheduled in the background with the frequency of half an hour.
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EXPORTING
DIRNAME = '/usr/sap/xxx/xxx/'
FILENM = 'DATASET'
PATTERN = '.txt'
TABLES
FILE_LIST = IT_FILELIST
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Irfan Hussain

Hi,
Instead of the above FM, you can use the following code :
AT SELECTION-SCREEN ON VALUE-REQUEST FOR po_ifile.
PERFORM get_current_directory USING 'PO_IFILE'   po_ifile
                                          rov-home_dir rov-curr_dir.
    PERFORM get_filename-of-server TABLES itab_filename
                                       USING rov-curr_dir rov-gen_name.
    PERFORM help_values_get_with_table_ext TABLES itab_filename
                                       USING rov-curr_dir
                                                   po_ifile.
*&      Form get_current_directory
      text
     -->P_0023   text
     -->P_PO_IFILE text
     -->P_ROV_HOME_DIR text
     -->P_ROV_CURR_DI text
     -->P_CALL text
     -->P_FUNCTION text
     -->P_0029   text
     -->P_IMPORTING text
     -->P_FILE_NAME text
     -->P_= text
     -->P_PO_IFILE text
FORM get_current_directory USING _fieldname
                                    _filename
                                    homedir
                                    currdir.
    IF _fieldname <> space.
      PERFORM dunp_value_read USING _fieldname _filename.
    ENDIF.
    IF _filename = space.
      currdir = homedir.
    ELSE.
      rov-work_dir = _filename.
      rov-fdpos = STRLEN( rov-work_dir ).
      DO.
        IF rov-fdpos = 0.
          EXIT.
        ENDIF.
        rov-fdpos = rov-fdpos - 1.
        ASSIGN rov-work_dir+rov-fdpos(1) TO <rov_p>.
        IF <rov_p> = rov-delchar.
          <rov_p> = space.
          EXIT.
        ELSE.
          <rov_p> = space.
        ENDIF.
      ENDDO.
      currdir = rov-work_dir.
    ENDIF.
ENDFORM.                    " get_current_directory
*&      Form get_filename-of-server
      text
     -->P_ITAB_FILENAME text
     -->P_ROV_CURR_DIR text
     -->P_ROV_GEN_NAME text
FORM get_filename-of-server TABLES nametab STRUCTURE itabfilename
                              USING _dirname _genname.
    CALL 'C_DIR_READ_FINISH'             " just to be sure
                           ID 'ERRNO' FIELD rov-errno
                           ID 'ERRMSG' FIELD rov-errmsg.
    CALL 'C_DIR_READ_START' ID 'DIR'    FIELD _dirname
                            ID 'FILE'   FIELD _genname
                            ID 'ERRNO' FIELD rov-errno
                            ID 'ERRMSG' FIELD rov-errmsg.
    IF sy-subrc <> 0.
      EXIT.
    ENDIF.
    REFRESH _nametab.
    DO.
      CLEAR _nametab.
      CALL 'C_DIR_READ_NEXT' ID 'TYPE'   FIELD _nametab-type
                              ID 'NAME'   FIELD _nametab-name
                              ID 'LEN'    FIELD _nametab-len
                              ID 'OWNER' FIELD _nametab-owner
                              ID 'MTIME' FIELD _nametab-mtime
                              ID 'MODE'   FIELD _nametab-mode
                              ID 'ERRNO' FIELD _nametab-errno
                              ID 'ERRMSG' FIELD _nametab-errmsg.
      _nametab-dirname = _dirname.
      MOVE sy-subrc TO _nametab-subrc.
      CASE sy-subrc.
        WHEN 0.
          IF _nametab-name+0(1) = '.'.
          ELSE.
            APPEND _nametab.
          ENDIF.
        WHEN 1.
          EXIT.
        WHEN OTHERS.                     " SY-SUBRC >= 2
          EXIT.
      ENDCASE.
    ENDDO.
    CALL 'C_DIR_READ_FINISH'             " just to be sure
                           ID 'ERRNO' FIELD rov-errno
                           ID 'ERRMSG' FIELD rov-errmsg.
ENDFORM.                    " get_filename-of-server
*&      Form help_values_get_with_table_ext
      text
     -->P_ITAB_FILENAME text
     -->P_ROV_CURR_DIR text
     -->P_PO_IFILE text
FORM help_values_get_with_table_ext TABLES _filename
                                             STRUCTURE itab_filename
                                      USING _currdir
                                            _selfile.
    TYPES: BEGIN OF f4typ_head_struc,
             tabname LIKE help_info-tabname,
             fieldname LIKE help_info-fieldname,
             head_text LIKE shstruc-keyword,
           END OF f4typ_head_struc.
   DATA itab_fields    LIKE TABLE OF help_value        WITH HEADER LINE.
   DATA itab_selvals   LIKE TABLE OF help_vtab         WITH HEADER LINE.
   DATA itab_values    LIKE TABLE OF rlgrap-filename   WITH HEADER LINE.
   DATA itab_header    TYPE TABLE OF f4typ_head_struc WITH HEADER LINE.
    REFRESH itab_fields.
    REFRESH itab_selvals.
    REFRESH itab_values.
    REFRESH itab_header.
    itab_fields-tabname    = 'PS0192'.
    itab_fields-fieldname = 'BAA01'.
    itab_fields-selectflag = ' '.
    APPEND itab_fields.
    itab_fields-tabname    = 'RLGRAP'.
    itab_fields-fieldname = 'FILENAME'.
    itab_fields-selectflag = 'X'.
    APPEND itab_fields.
    LOOP AT _filename.
      itab_values = itab_filename-type.
      APPEND itab_values.
      itab_values = itab_filename-name.
      APPEND itab_values.
    ENDLOOP.
    CALL FUNCTION 'HELP_VALUES_GET_WITH_TABLE_EXT'
       EXPORTING
        CUCOL                         = 0
        CUROW                         = 0
        DISPLAY                       = ' '
        FIELDNAME                     = ' '
        TABNAME                       = ' '
        TITLE_IN_VALUES_LIST          = ' '
        SHOW_ALL_VALUES_AT_FIRST_TIME = ' '
        USE_USER_SHRINKING            = ' '
            titel                         = _currdir
        NO_SCROLL                     = ' '
        NO_CONVERSION                 = ' '
        NO_MARKING_OF_CHECKVALUE      = ' '
       IMPORTING
            index                         = rov-index
            select_value                  = rov-selvalue
         TABLES
              fields                        = itab_fields
              select_values                 = itab_selvals
              valuetab                      = itab_values
        HEADING_TABLE                 =
         EXCEPTIONS
              field_not_in_ddic             = 1
              more_then_one_selectfield     = 2
              no_selectfield                = 3
              OTHERS                        = 4.
    IF sy-subrc = 0.
      CLEAR itab_filename.
      READ TABLE itab_filename INDEX rov-index.
      IF itab_filename-type+0(3) = 'dir'.
        CONCATENATE _currdir rov-delchar rov-selvalue rov-delchar
                                                      INTO _selfile.
      ELSE.
        CONCATENATE _currdir rov-delchar rov-selvalue INTO _selfile.
      ENDIF.
    ENDIF.
ENDFORM.                    " help_values_get_with_table_ext
Best regards,
Prashant

How to get file from FTP Server using File Control

Hi,
Any one did getting file from FTP Server?
Please let me know any one help me.
I would need to get file from FTP Server.
Thanks,
Madhu

Yes I have done that. But In FTP Server I cannt read file, because no previliges. Only I need to copy file from FTP Server to local server then only I can read that file.
I tried all options using FileConrol(getFiles(),read()).
getFiles() - It wont copy the file, it give information about file.
read() - I dont have previliges to read the file.
Please tell me any other procedure would be there for getting file from FTPServer.
Thanks,
Madhu

How to read file from prsntn server in Inbound idoc FM.

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