Switch (manually update alternative) gcc version on openSUSE Linux

gcc-ver-alternative.sh

#!/bin/bash

CHOOSE_VER=11

cd /usr/bin

declare -a LINK_FILES
LINK_FILES=(
"gcov"
"gcov-dump"
"gcov-tool"
"gcc"
"gcc-ar"
"gcc-nm"
"gcc-ranlib"
"cpp"
"g++"
)

for (( i=0; i<${#LINK_FILES[@]}; i++ )) ; do
    rm ${LINK_FILES[$i]}
    ln -s ${LINK_FILES[$i]}-${CHOOSE_VER}   ${LINK_FILES[$i]}
done

rm cc
ln -s gcc-${CHOOSE_VER} cc

rm c++
ln -s g++-${CHOOSE_VER} c++