From 444767f3f7f81f63f48bfe0eeb8f035e65b0b21c Mon Sep 17 00:00:00 2001
From: Isaac Konikoff <konikofi@candelatech.com>
Date: Tue, 30 Mar 2021 10:17:25 -0700
Subject: [PATCH] replace 'expr length' with awk for cross platform
 compatibility

Signed-off-by: Isaac Konikoff <konikofi@candelatech.com>
---
 wifi_diag/do_wifi_diag.bash | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wifi_diag/do_wifi_diag.bash b/wifi_diag/do_wifi_diag.bash
index f7434c22..6b3dd3e9 100755
--- a/wifi_diag/do_wifi_diag.bash
+++ b/wifi_diag/do_wifi_diag.bash
@@ -21,7 +21,7 @@ present=(
 )
 killcommand=0
 for i in "${present[@]}"; do
-  present=$(expr length "$(which $i)")
+  present=`which $i | awk '{ print length }'`
   if [[ $present -gt 0 ]]; then
     :
   else