+ ip_failure=0
+ if [ -z "$PLC_API_IP" ] ; then
+ MESSAGE=$"PLC_API_IP is not set"
+ dialog "$MESSAGE"
+ ip_failure=1
+ fi
+ if [ -z "$PLC_BOOT_IP" ] ; then
+ MESSAGE=$"PLC_BOOT_IP is not set"
+ dialog "$MESSAGE"
+ ip_failure=1
+ fi
+ if [ -z "$PLC_WWW_IP" ] ; then
+ MESSAGE=$"PLC_WWW_IP is not set"
+ dialog "$MESSAGE"
+ ip_failure=1
+ fi
+ if [ $ip_failure -eq 1 ] ; then
+ /bin/false
+ check
+ fi
+