. /usr/share/libubox/jshn.sh

file="/tmp/node/nodes_cfg.json"

#load json file
json_load "`/bin/cat $file`"
json_select nodes_cfg
# # array first index is 1
json_select 1
json_select ..
index=1
while json_get_type status $index && [ "$status" = "object" ];do
json_select $index
json_get_var sn_v    sn
json_get_var term_addr_v term_addr
    if (echo ${sn_v} |grep -q "METER"); then
        json_get_var term_addr_v term_addr
        meter_addr=$term_addr_v
        break
    fi
# echo "***index:$index***term_addr:"$term_addr_v"**sn_v:$sn_v*************"
json_select ..
index=$((index+1))
done
printf "$meter_addr"