-IFS=:; read _ _ uid _ < <(getent passwd radicale ); unset IFS
-IFS=:; read _ _ gid _ < <(getent group radicale ); unset IFS
+IFS=:; read -r _ _ uid _ < <(getent passwd radicale ); unset IFS
+IFS=:; read -r _ _ gid _ < <(getent group radicale ); unset IFS