From 55fc647568a1da8821e2b4c5d472936173b5122c Mon Sep 17 00:00:00 2001
From: Rob Walker <rob@solana.com>
Date: Sat, 23 Jun 2018 13:12:24 -0700
Subject: [PATCH] fix more shellcheck

---
 multinode-demo/myip.sh | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/multinode-demo/myip.sh b/multinode-demo/myip.sh
index ea63a923a..4ec054e7b 100755
--- a/multinode-demo/myip.sh
+++ b/multinode-demo/myip.sh
@@ -2,10 +2,16 @@
 
 function myip()
 {
-  declare ipaddrs=(
-    $(curl -s ifconfig.co)                             # query interwebs
-    $(ifconfig | awk '/inet(6)? (addr:)?/ {print $2}') # machine interfaces
-  )
+  declare ipaddrs=( )
+
+  # query interwebs
+  mapfile -t ipaddrs < <(curl -s ifconfig.co)
+
+  # machine's interfaces
+  mapfile -t -O "${#ipaddrs[*]}" ipaddrs < \
+          <(ifconfig | awk '/inet(6)? (addr:)?/ {print $2}')
+
+  ipaddrs=( "${extips[@]}" "${ipaddrs[@]}" )
 
   if (( ! ${#ipaddrs[*]} ))
   then