@@ -426,7 +426,7 @@ EOF

     for node_number in ${SWIFT_REPLICAS_SEQ}; do

         local swift_node_config=${SWIFT_CONF_DIR}/object-server/${node_number}.conf

         cp ${SWIFT_DIR}/etc/object-server.conf-sample ${swift_node_config}

-        generate_swift_config ${swift_node_config} ${node_number} $[OBJECT_PORT_BASE + 10 * (node_number - 1)] object

+        generate_swift_config ${swift_node_config} ${node_number} $(( OBJECT_PORT_BASE + 10 * (node_number - 1) )) object

         iniset ${swift_node_config} filter:recon recon_cache_path  ${SWIFT_DATA_DIR}/cache

         # Using a sed and not iniset/iniuncomment because we want to a global

         # modification and make sure it works for new sections.

@@ -434,14 +434,14 @@ EOF

         swift_node_config=${SWIFT_CONF_DIR}/container-server/${node_number}.conf

         cp ${SWIFT_DIR}/etc/container-server.conf-sample ${swift_node_config}

-        generate_swift_config ${swift_node_config} ${node_number} $[CONTAINER_PORT_BASE + 10 * (node_number - 1)] container

+        generate_swift_config ${swift_node_config} ${node_number} $(( CONTAINER_PORT_BASE + 10 * (node_number - 1) )) container

         iniuncomment ${swift_node_config} app:container-server allow_versions

         iniset ${swift_node_config} app:container-server allow_versions  "true"

         sed -i -e "s,#[ ]*recon_cache_path .*,recon_cache_path = ${SWIFT_DATA_DIR}/cache," ${swift_node_config}

         swift_node_config=${SWIFT_CONF_DIR}/account-server/${node_number}.conf

         cp ${SWIFT_DIR}/etc/account-server.conf-sample ${swift_node_config}

-        generate_swift_config ${swift_node_config} ${node_number} $[ACCOUNT_PORT_BASE + 10 * (node_number - 1)] account

+        generate_swift_config ${swift_node_config} ${node_number} $(( ACCOUNT_PORT_BASE + 10 * (node_number - 1) )) account

         sed -i -e "s,#[ ]*recon_cache_path .*,recon_cache_path = ${SWIFT_DATA_DIR}/cache," ${swift_node_config}

     done

@@ -613,9 +613,9 @@ function init_swift {

         swift-ring-builder account.builder create ${SWIFT_PARTITION_POWER_SIZE} ${SWIFT_REPLICAS} 1

         for node_number in ${SWIFT_REPLICAS_SEQ}; do

-            swift-ring-builder object.builder add z${node_number}-127.0.0.1:$[OBJECT_PORT_BASE + 10 * (node_number - 1)]/sdb1 1

-            swift-ring-builder container.builder add z${node_number}-127.0.0.1:$[CONTAINER_PORT_BASE + 10 * (node_number - 1)]/sdb1 1

-            swift-ring-builder account.builder add z${node_number}-127.0.0.1:$[ACCOUNT_PORT_BASE + 10 * (node_number - 1)]/sdb1 1

+            swift-ring-builder object.builder add z${node_number}-127.0.0.1:$(( OBJECT_PORT_BASE + 10 * (node_number - 1) ))/sdb1 1

+            swift-ring-builder container.builder add z${node_number}-127.0.0.1:$(( CONTAINER_PORT_BASE + 10 * (node_number - 1) ))/sdb1 1

+            swift-ring-builder account.builder add z${node_number}-127.0.0.1:$(( ACCOUNT_PORT_BASE + 10 * (node_number - 1) ))/sdb1 1

         done

         swift-ring-builder object.builder rebalance

         swift-ring-builder container.builder rebalance