Shift Kaydırma komutu örneği
lv_fieldname = screen-name.
shift lv_fieldname left by 5 places .
loop at screen.
* screen name GS_R-XXXXXXXXXX
check screen-name+0(5) = `GS_R-`.
lv_fieldname = screen-name.
shift lv_fieldname left by 5 places .
read table gt_scredit into ls_scredit with table key fiename = lv_fieldname.
modify screen.
endloop.