diff --git a/explorer.sh b/explorer.sh
index c3033a7..f988742 100755
--- a/explorer.sh
+++ b/explorer.sh
@@ -44,7 +44,9 @@ day() {
 }
 
 mass() {
-	jq -f lib/sumNbrMembers.jq $jsonFile | jq '.UD*.nbrMembers' | awk '{ SUM += $1} END { printf "%.2f",  SUM }'; echo
+	lineNbr=$(($lineNbr+7))
+	jsonDated="$(head -n$lineNbr $jsonFile)}]"
+	jq -f lib/sumNbrMembers.jq <<<"$jsonDated" | jq '.UD*.nbrMembers' | awk '{ SUM += $1} END { printf "%.2f",  SUM }'; echo
 }
 
 $1
diff --git a/scripts/checkMissingDate.sh b/scripts/checkMissingDate.sh
new file mode 100755
index 0000000..f14907b
--- /dev/null
+++ b/scripts/checkMissingDate.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+j=0
+for i in $(jq -r .[].date db/daily.json); do
+	((j++))
+	date=$(awk -F '-' '{ print $3"-"$2"-"$1 }' <<<"$i")
+	if ! [[ $(grep $(date -d "$date+1day" '+%d-%m-%y') <<<$(jq -r .[].date db/daily.json)) ]]; then
+		echo "$(date -d "$date+1day" '+%d-%m-%y'): $j"
+	fi
+done
diff --git a/scripts/compareMass.sh b/scripts/compareMass.sh
new file mode 100755
index 0000000..d6149ab
--- /dev/null
+++ b/scripts/compareMass.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+source .env
+
+day=$1
+[[ -z $day ]] && day=1
+bloc=$(grep -n . db/udblocs | grep -E "^$day:" | cut -d: -f2)
+chainData=$(curl -s ${DUNITER}/blockchain/block/$bloc | jq '.membersCount,.monetaryMass')
+chainMass=$(tail -n1 <<<"$chainData" | xargs -i echo "scale=2; {}/100" | bc)
+chainMbr=$(head -n1 <<<"$chainData")
+
+((day--))
+Date=$(date -d "17-03-08+${day}day" '+%d-%m-%y')
+jsonMass=$(./explorer.sh mass $Date)
+
+jsonMbr=$(./explorer.sh cumulate $Date | jq .nbrMembers)
+
+#if [[ $jsonMbr != $chainMbr ]]; then
+echo "$Date - $bloc - $day
+json : $jsonMbr - $jsonMass
+chain: $chainMbr - $chainMass
+"
+#fi
diff --git a/scripts/export_sommes.sh b/scripts/export_sommes.sh
old mode 100755
new mode 100644
index ceda966..60d7fee
--- a/scripts/export_sommes.sh
+++ b/scripts/export_sommes.sh
@@ -1,5 +1,3 @@
 #!/bin/bash
 
-SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
-
-jq -r '.[] | "---", .date, .rWallets + .rMembers' $SCRIPTPATH/../db/daily.json > $SCRIPTPATH/../db/somme.txt
+jq -r '.[] | "---", .date, .rWallets + .rMembres' db/recus.json > db/somme.txt