ghnhome=$1

if [ -z "$ghnhome" ]; then
        if [ -z "$GHN_HOME" ]; then
                echo -e "\nERROR:please specify the gHN directory (-g) or define the GHN_HOME env var." >&2
                showhelp
                echo -e "\naborting.\n"
                exit 1
        else
                ghnhome=$GHN_HOME
        fi
fi


export CLASSPATH=$CLASSPATH:"$ghnhome/lib/*"