I'd tried twice to compress but i can't get the exact size.."DVD1: 4.36GB"
set arc=Data1.cab
if exist .\RER_1\%arc% goto Data2
arc a -ep1 -r -w.\
[email protected] -dp"%choice1%" .\RER_1\%arc%
if ERRORLEVEL 1 goto arcfail
ata2
set arc=Data2.cab
if exist .\RER_2\%arc% goto end
arc a -ep1 -r -w.\ -m0
[email protected] -dp"%choice1%" .\RER_2\%arc%