update script

        current_version=$(cat ${prefix}/.version)

    elif [[ $prefix == *"universc-"* ]]

       then

       prefix=$(echo $prefix | cut -d'/' -f1-$(($( echo $prefix | grep -o "/" | wc -l))))

       prefix=$( ls -d ${prefix}/universc/ | head -n 1 )

       prefix=$( ls -d ${prefix}/universc-*/ | head -n 1 )

    else

       prefix=$( ls -d ${prefix}/universc-*/ | head -n 1)

    fi

#default install location (root)

if [[ -z $prefix ]]; then prefix="/usr/local/share"; fi

echo "installing to: $prefix"

if [[ $1 == "--prefix" ]]

     then

     if [[ ! -d $prefix ]]

        then

        echo "--prefix $prefix must be a directory"

         exit 1

    fi

    if [[ ! -w $prefix ]]

        then

        echo "--prefix $prefix must be a writeable"

        exit 1

    fi

fi

if [[ $prefix=="." ]]

    then

    prefix=`pwd`

fi

if [[ "universc" == $(echo $prefix | rev | cut -d'/' -f1 | rev) ]]

    then

    echo "installing to universc"

    prefix=$(echo $prefix | cut -d'/' -f1-$(($( echo $prefix | grep -o "/" | wc -l))))

    INSTALLDIR=${prefix}/universc

fi

if [[ ! -w $prefix ]]

    then

    echo "$prefix must be a writeable directory"

    exit 1

fi

echo "installing to: $prefix"

version=$( cat .version )

if [[ -f inst/.installed ]]

echo prefix=$prefix

version=`cat .version`

# create install directory

if [[ -z $INSTALLDIR ]]

    then

    INSTALLDIR="${prefix}/universc-${version}"

fi

echo "Installing to $INSTALLDIR"

mkdir -p ${prefix}/universc-${version}

    #echo "${INSTALLDIR} added to PATH"

    for SHELL_RC in `ls ~/.*rc`

        do

        echo "export PATH=:${INSTALLDIR}:\$PATH" >> $SHELL_RC

        echo "export PATH=${INSTALLDIR}:\$PATH" >> $SHELL_RC

        echo "universc-${version} added to PATH automatically in new ${SHELL} shell session"

    done

    echo "run the following to add it to your shell of choice"