makebackup.bat

<code bash> @echo off

set dtend=%date:~6,4date:~3,2date:~0,2%

for /f «eol=# delims== tokens=1,2» i in (makebackup.dat) do ( set i=%%j )

echo Working from %dt% to %dtend% set arcname=promauto-src_%dt%-%dtend%.rar

rar a -ta%dt% %arcname% promauto-src

echo dt=%dtend%>makebackup.dat

move %arcname% F:\ <code>