if [ -f /etc/colorgcc/colorgccrc ]; then for i in g++ gcc c++ cc; do sed "s|^${i}:.*|${i}: ccache /usr/bin/${i}|g" -i /etc/colorgcc/colorgccrc done fi for user in `getent group admin | sed "s/.*\://" | sed "s/,/ /g"`; do usermod $user -a -G ccache; done