From ec32851e0c7682bbcd6f5e78710e53f119db0958 Mon Sep 17 00:00:00 2001
From: Roger Haxby <63857845+shelleycat485@users.noreply.github.com>
Date: Tue, 15 Dec 2020 14:17:05 +0000
Subject: [PATCH] fix clientSTAT.sh error if all clients are disabled

---
 scripts/wireguard/clientSTAT.sh | 38 ++++++++++++++++-----------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/scripts/wireguard/clientSTAT.sh b/scripts/wireguard/clientSTAT.sh
index ae07a72..0df3664 100755
--- a/scripts/wireguard/clientSTAT.sh
+++ b/scripts/wireguard/clientSTAT.sh
@@ -37,28 +37,28 @@ listClients(){
     printf "\e[4mName\e[0m  \t  \e[4mRemote IP\e[0m  \t  \e[4mVirtual IP\e[0m  \t  \e[4mBytes Received\e[0m  \t  \e[4mBytes Sent\e[0m  \t  \e[4mLast Seen\e[0m\n"
 
     while IFS= read -r LINE; do
-
-        PUBLIC_KEY="$(awk '{ print $1 }' <<< "$LINE")"
-        REMOTE_IP="$(awk '{ print $3 }' <<< "$LINE")"
-        VIRTUAL_IP="$(awk '{ print $4 }' <<< "$LINE")"
-        BYTES_RECEIVED="$(awk '{ print $6 }' <<< "$LINE")"
-        BYTES_SENT="$(awk '{ print $7 }' <<< "$LINE")"
-        LAST_SEEN="$(awk '{ print $5 }' <<< "$LINE")"
-        CLIENT_NAME="$(grep "$PUBLIC_KEY" "$CLIENTS_FILE" | awk '{ print $1 }')"
-        if [ "$HR" = 1 ]; then
-            if [ "$LAST_SEEN" -ne 0 ]; then
-                printf "%s  \t  %s  \t  %s  \t  %s  \t  %s  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$(hr "$BYTES_RECEIVED")" "$(hr "$BYTES_SENT")" "$(date -d @"$LAST_SEEN" '+%b %d %Y - %T')"
+        if [ -n "${LINE}" ]; then
+            PUBLIC_KEY="$(awk '{ print $1 }' <<< "$LINE")"
+            REMOTE_IP="$(awk '{ print $3 }' <<< "$LINE")"
+            VIRTUAL_IP="$(awk '{ print $4 }' <<< "$LINE")"
+            BYTES_RECEIVED="$(awk '{ print $6 }' <<< "$LINE")"
+            BYTES_SENT="$(awk '{ print $7 }' <<< "$LINE")"
+            LAST_SEEN="$(awk '{ print $5 }' <<< "$LINE")"
+            CLIENT_NAME="$(grep "$PUBLIC_KEY" "$CLIENTS_FILE" | awk '{ print $1 }')"
+            if [ "$HR" = 1 ]; then
+                if [ "$LAST_SEEN" -ne 0 ]; then
+                    printf "%s  \t  %s  \t  %s  \t  %s  \t  %s  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$(hr "$BYTES_RECEIVED")" "$(hr "$BYTES_SENT")" "$(date -d @"$LAST_SEEN" '+%b %d %Y - %T')"
+                else
+                    printf "%s  \t  %s  \t  %s  \t  %s  \t  %s  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$(hr "$BYTES_RECEIVED")" "$(hr "$BYTES_SENT")" "(not yet)"
+                fi
             else
-                printf "%s  \t  %s  \t  %s  \t  %s  \t  %s  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$(hr "$BYTES_RECEIVED")" "$(hr "$BYTES_SENT")" "(not yet)"
-            fi
-        else
-            if [ "$LAST_SEEN" -ne 0 ]; then
-                printf "%s  \t  %s  \t  %s  \t  %'d  \t  %'d  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$BYTES_RECEIVED" "$BYTES_SENT" "$(date -d @"$LAST_SEEN" '+%b %d %Y - %T')"
-            else
-                printf "%s  \t  %s  \t  %s  \t  %'d  \t  %'d  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$BYTES_RECEIVED" "$BYTES_SENT" "(not yet)"
+                if [ "$LAST_SEEN" -ne 0 ]; then
+                    printf "%s  \t  %s  \t  %s  \t  %'d  \t  %'d  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$BYTES_RECEIVED" "$BYTES_SENT" "$(date -d @"$LAST_SEEN" '+%b %d %Y - %T')"
+                else
+                    printf "%s  \t  %s  \t  %s  \t  %'d  \t  %'d  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$BYTES_RECEIVED" "$BYTES_SENT" "(not yet)"
+                fi
             fi
         fi
-
     done <<< "$DUMP"
 
     printf "\n"