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Display a negative value with signage to the left instead of the right -100.00 not 100.00-

In the past I have had more than 1 client request that the negative numbers with signage on the right are displayed in ALV reports and / or extracted to files with the signage to the left.

-100.00 NOT 100.00-

I decided to create a conversion exit to perform this format conversion, as below. And this then is implemented in my alv / file extract logic.


” ALV field cat coding…apply the conv exit accordingly to the edit_mask attribute…


if <fieldcat>inttype = ‘P’.
    <fieldcat>edit_mask = ‘==ZSIGD’.


similarly, if you are extracting the data to a file,

the conversion can also be called to format the number


        assign component syindex of structure <table_line> to <field>.
        if sysubrc is initial. “we still processing fields
          clear lv_value.
          describe field <field> type lv_typ1.
          if lv_typ1 = ‘D’. ” format for date
            yyyymmdd_date_format <field> lv_value.
          elseif lv_typ1 = ‘h’.
            move space to lv_value.
          elseif lv_typ1 = ‘P’.
            call function ‘CONVERSION_EXIT_ZSIGD_OUTPUT’
                input  = <field>
                output = lv_value.
          else. “all other formats
            move <field> to lv_value.

          “>>>build up the row that will be written to the file
          concatenate lv_fileline lv_value into lv_fileline
            separated by cl_abap_char_utilities=>horizontal_tab.


Result of ALV

Result of File extract


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      Author's profile photo Former Member
      Former Member

      Which ABAP release are you working on?

      If you are on release > 702 you can use the inbuilt string formatting option SIGN to achieve this -!ABAP_ADDITION_5@5@

      Author's profile photo Former Member
      Former Member
      Blog Post Author

      release 700. Thats useful to know, thank you. I will then be able to stop implementing this exit!