How to Append an existing Excel file?

I am using the jexcel api to write to a new excel file. Each time i run my program, it creates a new Excel File by the name i give it. my code to create the excelFile is as below:-
File excelFile=new File(workDir+"\\"+fileName+".xls");
WritableWorkbook workbook = Workbook.createWorkbook(excelFile);
After this code i write some data to a worksheet in the above mentioned excel file. But my requirement is that I want to create the excel if it does not exist, and if it exists, then the data should be appended to the worksheet in the existing excel file. At present it creates a new excel file and does not append it.
How can it be done? does anyone have any suggestions as to how can i tackle this problem? please suggest something.
Ankit

There is no ready-to-run example, as you are searching for, available.
This has several reasons:
- It depends on the version of Excel. Examples for Excel 2007 might not work with Excel 2010 for instance.
- No one just wants to open Excel without doing anything with it.
The second point is something, i want to ask you:
Why do you want to open an existing Excel file at all? What is it, what you want to do after opening it?
If you have LV/C/C#/VB examples doing what you are looking for, why do you want to have it in TestStand directly, so NOT using existing code (saving time and effort) and basically re-inventing the wheel?
ActiveX is an interface for remote controlling and embedding applications with/in other applications on Windows systems. It is a PROGRAMMING interface.
So naturally, examples and tutorials exist for programming languages. Those examples are easily converted to TestStand sequences with a basic knowledge of the programming language and TestStand. Providing links for such tutorials/examples is a valid way to give support to fellow developers because we expect the fellow to have that basic knowledge.
If that knowledge is not present, i highly recommend to fill that gap.
just my 2 cents,
Norbert
CEO: What exactly is stopping us from doing this?
Expert: Geometry
Marketing Manager: Just ignore it.

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I C.
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data g_user_data like soudatai1.
data g_owner like soud-usrnam.
data g_receipients like soos1 occurs 0 with header line.
data g_document like sood4 .
data g_header like sood2.
data g_folmam like sofm2.
data g_objcnt like soli occurs 0 with header line.
data g_objhead like soli occurs 0 with header line.
data g_objpara like selc occurs 0 with header line.
data g_objparb like soop1 occurs 0 with header line.
data g_attachments like sood5 occurs 0 with header line.
data g_references like soxrl occurs 0 with header line.
data g_authority like sofa-usracc.
data g_ref_document like sood4.
data g_new_parent like soodk.
data: begin of g_files occurs 10 ,
text(4096) type c,
 end of g_files.
data : fold_number(12) type c,
 fold_yr(2) type c,
 fold_type(3) type c.
parameters ws_file(4096) type c default 'c:\debugger.txt'.
Can me any file fromyour pc ....either xls or word or ppt etc ...
g_user-sapname = sy-uname.
call function 'SO_USER_READ_API1'
exporting
 user = g_user
 PREPARE_FOR_FOLDER_ACCESS = ' '
importing
 user_data = g_user_data
EXCEPTIONS
 USER_NOT_EXIST = 1
 PARAMETER_ERROR = 2
 X_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.
fold_type = g_user_data-outboxfol+0(3).
fold_yr = g_user_data-outboxfol+3(2).
fold_number = g_user_data-outboxfol+5(12).
clear g_files.
refresh : g_objcnt,
g_objhead,
g_objpara,
g_objparb,
g_receipients,
g_attachments,
g_references,
g_files.
method1 = 'SAVE'.
g_document-foltp = fold_type.
g_document-folyr = fold_yr.
g_document-folno = fold_number.
g_document-objtp = g_user_data-object_typ.
*g_document-OBJYR = '27'.
*g_document-OBJNO = '000000002365'.
*g_document-OBJNAM = 'MESSAGE'.
g_document-objdes = 'sap-img.com testing by program'.
g_document-folrg = 'O'.
*g_document-okcode = 'CHNG'.
g_document-objlen = '0'.
g_document-file_ext = 'TXT'.
g_header-objdes = 'sap-img.com testing by program'.
g_header-file_ext = 'TXT'.
call function 'SO_DOCUMENT_REPOSITORY_MANAGER'
exporting
 method = method1
 office_user = sy-uname
 ref_document = g_ref_document
 new_parent = g_new_parent
importing
 authority = g_authority
tables
 objcont = g_objcnt
 objhead = g_objhead
 objpara = g_objpara
 objparb = g_objparb
 recipients = g_receipients
 attachments = g_attachments
 references = g_references
 files = g_files
changing
 document = g_document
 header_data = g_header
FOLMEM_DATA =
RECEIVE_DATA =
File from the pc to send...
method1 = 'ATTCREATEFROMPC'.
g_files-text = ws_file.
append g_files.
call function 'SO_DOCUMENT_REPOSITORY_MANAGER'
exporting
 method = method1
 office_user = g_owner
 ref_document = g_ref_document
 new_parent = g_new_parent
importing
 authority = g_authority
tables
 objcont = g_objcnt
 objhead = g_objhead
 objpara = g_objpara
 objparb = g_objparb
 recipients = g_receipients
 attachments = g_attachments
 references = g_references
 files = g_files
changing
 document = g_document
 header_data = g_header
method1 = 'SEND'.
g_receipients-recnam = 'MK085'.
g_receipients-recesc = 'B'.
g_receipients-sndex = 'X'.
append g_receipients.
call function 'SO_DOCUMENT_REPOSITORY_MANAGER'
exporting
 method = method1
 office_user = g_owner
 ref_document = g_ref_document
 new_parent = g_new_parent
importing
 authority = g_authority
tables
 objcont = g_objcnt
 objhead = g_objhead
 objpara = g_objpara
 objparb = g_objparb
 recipients = g_receipients
 attachments = g_attachments
 references = g_references
 files = g_files
changing
 document = g_document
 header_data = g_header.
*-- End of Program
Thanks & Regards,
Judith.

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