Completion file may not exist on the mesh

src/freedombone-mesh-batman

 fi
 
 # Mesh definition
-WIFI_SSID=
-if ! grep -q "WIFI_SSID:" $COMPLETION_FILE; then
-    WIFI_SSID='mesh'
-else
-    WIFI_SSID=$(cat $COMPLETION_FILE | grep "WIFI_SSID:" | awk -F ':' '{print $2}')
+WIFI_SSID='mesh'
+if [ -f $COMPLETION_FILE ]; then
+    if grep -q "WIFI_SSID:" $COMPLETION_FILE; then
+        WIFI_SSID=$(cat $COMPLETION_FILE | grep "WIFI_SSID:" | awk -F ':' '{print $2}')
+    fi
+    sed -i "s|WIFI_SSID:.*|WIFI_SSID:${WIFI_SSID}|g" $COMPLETION_FILE
 fi
-sed -i "s|WIFI_SSID:.*|WIFI_SSID:${WIFI_SSID}|g" $COMPLETION_FILE
-
 CELLID='any'
 
-CHANNEL=
-if ! grep -q "Wifi channel:" $COMPLETION_FILE; then
-    CHANNEL=2
-else
-    CHANNEL=$(cat $COMPLETION_FILE | grep "Wifi channel:" | awk -F ':' '{print $2}')
+CHANNEL=2
+if [ -f $COMPLETION_FILE ]; then
+    if grep -q "Wifi channel:" $COMPLETION_FILE; then
+        CHANNEL=$(cat $COMPLETION_FILE | grep "Wifi channel:" | awk -F ':' '{print $2}')
+    fi
+    sed -i "s|Wifi channel:.*|Wifi channel:${CHANNEL}|g" $COMPLETION_FILE
 fi
-sed -i "s|Wifi channel:.*|Wifi channel:${CHANNEL}|g" $COMPLETION_FILE
 
 ZERONET_PORT=15441
 IPFS_PORT=4001