Update power.inc.sh

inc/power.inc.sh

@@ -6,7 +6,7 @@ AVERAGEPOWER(){
 		total_amp=0
 		total_watt=0
 		while IFS=$'\t' read date amp watt ;do
-			if [ "${amp}" != "" ] && [ "${watt}" != "" ]; then
+			if [[ "${amp}" =~ ^[0-9]+$ ]] && [[ "${watt}" =~ ^[0-9]+$ ]]; then
 				total_amp=$(bc <<< "scale=2; ${total_amp}+${amp}")
 				total_watt=$(bc <<< "scale=2; ${total_watt}+${watt}")
 				((logsfound++))
@@ -24,7 +24,7 @@ AVERAGEPOWER(){
 		total=0
 		[ "${3}" != "" ] && ptype=${3} || ptype=watt
 		while IFS=$'\t' read date ${ptype} ;do
-			if [ "${!ptype}" != "" ]; then
+			if [[[ "${!ptype}" =~ ^[0-9]+$ ]]; then
 				total=$(bc <<< "scale=2; ${total}+${!ptype}")
 				((logsfound++))
 			fi