Submit abap program and gets output from memory

The following program runs an abap program and gets the output list from memory into internal table :

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program EXEC_CMD
report ztest_submit.
*&---------------------------------------------------------------------*
*&     www.developerpages.gr
*&
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SUBMIT ZEXEC_CMD
*          with par1 = ''           " Parameters

                          EXPORTING LIST TO MEMORY AND RETURN.
PERFORM write_list.


*&---------------------------------------------------------------------*
*&      Form  WRITE_LIST
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*       text
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FORM WRITE_LIST.
  DATA : BEGIN OF MYLIST1 OCCURS 100.
          include structure ABAPLIST.
  DATA : END OF MYLIST1.


  DATA: BEGIN OF DOWNTAB OCCURS 1,
           LINE(255),
         END OF DOWNTAB.

  CALL FUNCTION 'LIST_FROM_MEMORY'
    TABLES
      LISTOBJECT = MYLIST1
    EXCEPTIONS
      NOT_FOUND  = 1
      OTHERS     = 2.
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