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How to call a subroutine form SAPscripts

The Form :

/:PERFORM CDE_CENT IN PROGRAM ZKRPMM_PERFORM_Z1MEDRUCK

/:USING &EKKO-EBELN&

/:CHANGING &CDECENT&

/:ENDPERFORM
 

The report :

REPORT zkrpmm_perform_z1medruck .
DATA : BEGIN OF it_input_table OCCURS 10.
        INCLUDE STRUCTURE itcsy.
DATA : END OF it_input_table.
* déclaration de la table output_table contenant les
variables exportées
DATA : BEGIN OF it_output_table OCCURS 0.
        INCLUDE STRUCTURE itcsy.
DATA : END OF it_output_table.

DATA : w_ebeln LIKE ekko-ebeln,
*       w_vbeln LIKE vbak-vbeln,
       w_zcdffa LIKE vbak-zcdffa.

*-----------------------------------------------------*
*  FORM CDE_CENT
*
*-----------------------------------------------------*
FORM cde_cent TABLES input output.

  it_input_table[] = input[].
  it_output_table[] = output[].

  READ TABLE it_input_table INDEX 1.
  MOVE it_input_table-value TO w_ebeln.

  CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
       EXPORTING
            input  = w_ebeln
       IMPORTING
            output = w_ebeln.

  SELECT SINGLE zcdffa FROM ekko
  INTO w_zcdffa
  WHERE ebeln = w_ebeln.

  it_output_table-name = 'CDECENT'.
  MOVE w_zcdffa TO it_output_table-value.
  MODIFY it_output_table INDEX 1.

  output[] = it_output_table[].

ENDFORM.

Frédéric BRUNEAU

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