install_scala_centos.sh

# Install Scala 2.11.6 on CentOS 7

export SCALA_VERSION=scala-2.11.6
export SCALA_HOME=/opt/scala

echo "SCALA_HOME=${SCALA_HOME}" > /etc/profile.d/scala.sh
echo "export SCALA_HOME" >> /etc/profile.d/scala.sh

mkdir -p ${SCALA_HOME} && cd ${SCALA_HOME}

if [[ ! -f ${SCALA_VERSION}.tgz ]] ; then
    wget http://www.scala-lang.org/files/archive/${SCALA_VERSION}.tgz
fi

tar xvf ${SCALA_VERSION}.tgz
rm -fr ./{bin,doc,lib,man}
mv -f ${SCALA_VERSION}/* ./
rm -rf ${SCALA_VERSION}

chown -R root:root ${SCALA_HOME}

for i in {scala,scalac,scalap,fsc};
do
    update-alternatives --install "/usr/bin/${i}" "${i}" "${SCALA_HOME}/bin/${i}" 1
done

echo "Installation Compeleted!"