Whatis the FileCatcher functionality in SAP WebDispatcher???

Hi all,
the subject pretty much says it. What exactly is this FileCatcher and how does it work. I seem to be unable to find any information about it.
Can someone point me in the right direction?
Thanks in advance,
Christian

Hi Christian,
could you please provide me more details where you have found informations regarding the FileCatcher ?
The only thing I know is the File Access Handler as described in the SAP Help Portal :
<a href="http://help.sap.com/saphelp_nw2004s/helpdata/en/c4/87153a1a5b4c2de10000000a114084/frameset.htm">Documentation for icm/HTTP/file_access_XX</a>
Kind Regards
Thomas Alt

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LQ a ecrit :
> Hi all,
>
> I recently have to build a device driver for positioning controller. Can
> someone tell me under what circumstances the function Trigger under GPIB
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>
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>
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What are the math functions in SAP?

Hi,
This is what u want may be
Mathematical Functions
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Result
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DATA N TYPE P DECIMALS 2.
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N = SIGN( M ). WRITE: / 'SIGN: ', N.
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ABS:              5.55
SIGN:             1.00-
CEIL:             5.00-
FLOOR:            6.00-
TRUNC:            5.00-
FRAC:             0.55-
DATA: T1(10),
T2(10) VALUE '-100'.
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WRITE T1.
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100
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SAP Webdispatcher - Reverse Proxy Configuration

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How to...Configure SAP Webdispatcher as a reverse proxy
http://basisondemand.com/Documents/Whitepaper_on_SAP_Web_Dispatcher.pdf
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/a015cea3-9627-2e10-a792-8f39e3d0b59d?QuickLink=index&…
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Hi,
What are the different functions used in sap script? What are the parameters used in each Function?
Regards,
Mahesh

he print program is used to print forms. The program retieves the necesary data from datbase tables, defines the order of in which text elements are printed, chooses a form for printing and selects an output device and print options.
Function modules in a printprogram:
When you print a form you must used the staments OPEN_FORM and CLOSE_FORM. To combine forms into a single spool request use START_FORM and END_FORM.
To print textelements in a form use WRITE_FORM. The order in which the textelements are printed, is determined by the order of the WRITE_FORM statements. Note: for printing lines in the body, you can also use the WRITE_FORM_LINES function module.
To transfer control command to a form use CONTROL_FORM.
Structure of a print program
Read data
Tables: xxx.
SELECT *
FROM xxx.
Open form printing - Must be called before working with any of the other form function modules.
Must be ended with function module CLOSE FORM
call function 'OPEN_FORM'.....
To begin several indentical forms containing different data within a single spool request, begin each form using START_FORM, and end it using END_FORM
call funtion 'START_FORM'.....
Write text elements to a window of the form
call function 'WRITE_FORM'.....
Ends spool request started with START_FORM
call funtion 'END_FORM'.....
Closes form printing
call function 'CLOSE_FORM'...
OPEN_FORM function
Syntax:
CALL FUNCTION 'OPEN_FORM'
EXPORTING
APPLICATION                       = 'TX'
ARCHIVE_INDEX                     =
ARCHIVE_PARAMS                    =
DEVICE                            = 'PRINTER'
DIALOG                            = 'X'
FORM                              = ' '
LANGUAGE                          = SY-LANGU
OPTIONS                           =
MAIL_SENDER                       =
MAIL_RECIPIENT                    =
MAIL_APPL_OBJECT                  =
RAW_DATA_INTERFACE                = '*'
IMPORTING
LANGUAGE                          =
NEW_ARCHIVE_PARAMS                =
RESULT                            =
EXCEPTIONS
CANCELED                          = 1
DEVICE                            = 2
FORM                              = 3
OPTIONS                           = 4
UNCLOSED                          = 5
MAIL_OPTIONS                      = 6
ARCHIVE_ERROR                     = 7
INVALID_FAX_NUMBER                = 8
MORE_PARAMS_NEEDED_IN_BATCH       = 9
SPOOL_ERROR                       = 10
OTHERS                            = 11
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
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FORM      Name of the form
DEVICE
PRINTER : Print output using spool
TELEFAX: Fax output
SCREEN: Output to screen
OPTIONS      Used to control attrubutes for printing or faxing (Number of copies, immediate output....
The input for the parameter is structure ITCPO.
CLOSE_FORM function
CALL FUNCTION 'CLOSE_FORM'
IMPORTING
RESULT                         =
RDI_RESULT                     =
TABLES
OTFDATA                        =
EXCEPTIONS
UNOPENED                       = 1
BAD_PAGEFORMAT_FOR_PRINT       = 2
SEND_ERROR                     = 3
SPOOL_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.
ENDIF.
Paramerters:
RESULT      Returns status information and print/fax parameters after the form has been printed. RESULT is of structure ITCPP.
WRITE_FORM function
CALL FUNCTION 'WRITE_FORM'
EXPORTING
ELEMENT                        = ' '
FUNCTION                       = 'SET'
TYPE                           = 'BODY'
WINDOW                         = 'MAIN'
IMPORTING
PENDING_LINES                  =
EXCEPTIONS
ELEMENT                        = 1
FUNCTION                       = 2
TYPE                           = 3
UNOPENED                       = 4
UNSTARTED                      = 5
WINDOW                         = 6
BAD_PAGEFORMAT_FOR_PRINT       = 7
SPOOL_ERROR                    = 8
OTHERS                         = 9
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
Some important parameters:
ELEMENT      Specifies which textelement is printed
WINDOW      Specifies which window is printed
TYPE      Specifies the output area of the main window. This can be:
TOP - Used for headers
BODY
BOTTOM - Used for footers
FUNCTION      Specifies whether text is to be appended, replaced or added
Example of how to use the WRITE_FORM function module together with a script.
Form layout of the MAIN window
/E INTRODUCTION
Dear Customer
/E ITEM_HEADER
IH Carrier, Departure
/E ITEM_LINE
IL &SBOOK-CARRID&, &SPFLI-DEPTIME&
/E CLOSING_REMARK
The print program
Writing INTRODUCTION
CALL FUNCTION 'WRITE_FORM'
     EXPORTING
          ELEMENT                  = 'INTRODUCTION'
          FUNCTION                 = 'SET'
          TYPE                     = 'BODY'
          WINDOW                   = 'MAIN'
    EXCEPTIONS
         OTHERS                   = 8
Writing ITEM_HEADER
CALL FUNCTION 'WRITE_FORM'
     EXPORTING
          ELEMENT                  = 'ITEM_HEADER'
          FUNCTION                 = 'SET'
          TYPE                     = 'BODY'
          WINDOW                   = 'MAIN'
    EXCEPTIONS
         OTHERS                   = 8
Set ITEM_HEADER into TOP area of main window for subsequent pages
CALL FUNCTION 'WRITE_FORM'
     EXPORTING
          ELEMENT                  = 'ITEM_HEADER'
          FUNCTION                 = 'SET'
          TYPE                     = 'TOP'
          WINDOW                   = 'MAIN'
    EXCEPTIONS
         OTHERS                   = 8
Write ITEM_LINE
LOOP AT .....
   CALL FUNCTION 'WRITE_FORM'
        EXPORTING
             ELEMENT               = 'ITEM_LINE'
             FUNCTION              = 'SET'
             TYPE                  = 'BODY'
             WINDOW                = 'MAIN'
       EXCEPTIONS
            OTHERS                 = 8.
ENDLOOP.
Delete ITEM_HEADER from TOP area of main window
CALL FUNCTION 'WRITE_FORM'
     EXPORTING
          ELEMENT                  = 'ITEM_HEADER'
          FUNCTION                 = 'DELETE'
          TYPE                     = 'TOP'
          WINDOW                   = 'MAIN'
    EXCEPTIONS
         OTHERS                    = 8
Print CLOSING_REMARK
CALL FUNCTION 'WRITE_FORM'
     EXPORTING
          ELEMENT                  = 'CLOSING_REMARK'
          FUNCTION                 = 'SET'
          TYPE                          = 'BODY'
          WINDOW                   = 'MAIN'
    EXCEPTIONS
         OTHERS                    = 8
START_FORM function
CALL FUNCTION 'START_FORM'
EXPORTING
ARCHIVE_INDEX          =
FORM                   = ' '
LANGUAGE               = ' '
STARTPAGE              = ' '
PROGRAM                = ' '
MAIL_APPL_OBJECT       =
IMPORTING
LANGUAGE               =
EXCEPTIONS
FORM                   = 1
FORMAT                 = 2
UNENDED                = 3
UNOPENED               = 4
UNUSED                 = 5
SPOOL_ERROR            = 6
OTHERS                 = 7
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
END_FORM function
CALL FUNCTION 'END_FORM'
IMPORTING
RESULT                         =
EXCEPTIONS
UNOPENED                       = 1
BAD_PAGEFORMAT_FOR_PRINT       = 2
SPOOL_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.
ENDIF.
CONTROL_FORM function
The CONTROL_FORM function module alows you to create SapScript control statements from within an APAB program.
Syntax:
CALL FUNCTION 'CONTROL_FORM'
EXPORTING
    command         =
EXCEPTIONS
UNOPENED        = 1
UNSTARTED       = 2
OTHERS          = 3
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
Example:
Protecting the text element ITEM_LINE
CALL FUNCTION 'CONTROL_FORM'
EXPORTING
    COMMAND = 'PROTECT'.
CALL FUNCTION 'WRITE_FORM'
EXPORTING
    TEXELEMENT = 'ITEM_LINE'.
CALL FUNCTION 'CONTROL_FORM'
EXPORTING
    COMMAND = 'ENDPROTECT'.

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