From eb0703500a0df6916a1b20264ea5fca4d1c528f4 Mon Sep 17 00:00:00 2001
From: Mason Rowe <mason@rowe.sh>
Date: Sun, 6 Oct 2019 22:39:53 -0400
Subject: [PATCH] ipv4/ipv6-compatibility (via ping) hotfix

---
 yabs.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/yabs.sh b/yabs.sh
index 5f08357..3e21244 100755
--- a/yabs.sh
+++ b/yabs.sh
@@ -161,9 +161,10 @@ function launch_iperf {
 	done
 }
 
-IPV4_CHECK=$(ping -c 1 -W 4 -4 google.com)
+PING_FLAG=$(man ping | grep -- " -4")
+[ -z "$PING_FLAG" ] && IPV4_CHECK=$(ping -c 1 -W 4 google.com) || IPV4_CHECK=$(ping -c 1 -W 4 -4 google.com)
 [[ "$IPV4_CHECK" == *"1 received"* ]] && IPV4_CHECK="True" || IPV4_CHECK=""
-IPV6_CHECK=$(ping -c 1 -W 4 -6 ipv6.google.com)
+[ -z "$PING_FLAG" ] && IPV6_CHECK=$(ping6 -c 1 -W 4 ipv6.google.com) || IPV6_CHECK=$(ping -c 1 -W 4 -6 ipv6.google.com)
 [[ "$IPV6_CHECK" == *"1 received"* ]] && IPV6_CHECK="True" || IPV6_CHECK=""
 
 IPERF_LOCS=( \