`JSON_DATA=$(cat test.json 2> /dev/null); if [ ! -z "${JSON_DATA}" ]; then WEBADDRESS='"webaddress":'$(jq '.webaddress' <<< "$JSON_DATA") && echo $JSON_DATA | sed 's/'$WEBADDRESS'/"webaddress":"5.5.5.5"/g' | sponge test.json 2> /dev/null; fi;`;