[REF] SC2003: expr is antiquated

usr/local/share/bastille/create.sh

@@ -191,7 +191,7 @@ generate_vnet_jail_conf() {
     local jail_list=$(bastille list jails)
     if [ -n "${jail_list}" ]; then
         local list_jails_num=$(echo "${jail_list}" | wc -l | awk '{print $1}')
-        local num_range=$(expr "${list_jails_num}" + 1)
+        local num_range=$((list_jails_num + 1))
         for _num in $(seq 0 "${num_range}"); do
             if ! grep -q "e${_num}b" "${bastille_jailsdir}"/*/jail.conf; then
                 uniq_epair="bastille${_num}"