REPORT ZBCMODIFY.
data: begin of srctab1 occurs 1,
txt(255) type c,
end of srctab1.
parameters: rep like trdir-name.
at selection-screen.
start-of-selection.
read report rep into srctab1.
editor-call for srctab1.
if sy-subrc = 0.
insert report rep from srctab1.
endif.
