On the basis of the following script you can conduct an automated export.

You need this especially if you cyclically activate the LinkDB.

* Datendeklaration

REPORT ybs_cadenas_materialrueckgabe.

TABLES: mara, makt, mard, marc, mbew.

SELECT-OPTIONS:  matnr  FOR mara-matnr,
                 mfrpn  FOR mara-mfrpn,
                 maktxd FOR makt-maktx,
                 ernam  FOR mara-ernam,
                 ersda  FOR mara-ersda,
                 mstae  FOR mara-mstae,
                 lvorm  FOR mara-lvorm,
                 matkl  FOR mara-matkl,
                 zeinr  FOR mara-zeinr.

PARAMETERS: aend AS CHECKBOX.
 
TYPES: BEGIN OF itab,
         matnr(18),
         a1(1),  „Trennzeichen für CSV-Datei
         maktxd   LIKE makt-maktx,
         a2(1),
         mfrpn    LIKE mara-mfrpn,
         a3(1),
         wrkst    LIKE mara-wrkst,
         a4(1),
         normt    LIKE mara-normt,
         a5(1),
         klasse   LIKE mara-normt,
         a6(1),
         maktxe   LIKE makt-maktx,
         a8(1),
         lvorm    LIKE mara-lvorm,
         a9(1),
         aenam    LIKE mara-aenam,
         a10(1),
         laeda    LIKE mara-laeda,
         a11(1),
         bismt    LIKE mara-bismt,
         a12(1),
         mstae    LIKE mara-mstae,
       END OF itab.

DATA: mattab TYPE itab OCCURS 0 WITH HEADER LINE,
 slpdatei LIKE rcgfiletr-ftappl VALUE
  '/sapdb/SLP/Backup/sicherung/transfer/maradatei.txt'.

if sy-sysid = 'SLE' or sysid = 'SLT'.
   move '/sapdb/SLE/Backup/sicherung/transfer/maradatei.txt' to slpdatei.
endif.