set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Des-foreground=yes
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.home="%FESS_HOME%"
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.es.dir="%SEARCH_ENGINE_HOME%"
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.context.path=/
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.port=8080
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.webapp.path=%FESS_HOME%\app
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.temp.path=%FESS_HOME%\temp

if "%unit%" == "g" goto giga
if "%unit%" == "G" goto giga

rem no unit found, must be bytes; consider the whole value
set conv=%value%
rem convert to KB
set /a conv=%conv% / 1024
:kilo
rem convert to MB
set /a conv=%conv% / 1024
goto mega
:giga
rem convert to MB
set /a conv=%conv% * 1024
:mega
set "%~2=%conv%"
goto:eof