From 69b20e322857cfe000e49e6fea9c0b48295da1e2 Mon Sep 17 00:00:00 2001
From: Jo Geraerts <jo@umask.net>
Date: Thu, 16 Jan 2020 11:01:57 +0100
Subject: [PATCH] do a fflush() in the awk script

stdbuf is not available on osx so flush the output using fflush in awk.
---
 scripts/cpu_collect.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/cpu_collect.sh b/scripts/cpu_collect.sh
index 768caba..16546f9 100755
--- a/scripts/cpu_collect.sh
+++ b/scripts/cpu_collect.sh
@@ -16,7 +16,7 @@ get_cpu_usage() {
   if is_osx; then
     if command_exists "iostat"; then
       iostat -w "$refresh_interval" -c "$samples_count" \
-        | stdbuf -o0 awk 'NR > 2 { print 100-$(NF-3); }'
+        | awk 'NR > 2 { print 100-$(NF-3); fflush(""); }'
     else
       top -l "$samples_count" -s "$refresh_interval" -n 0 \
         | sed -u -nr '/CPU usage/s/.*,[[:space:]]*([0-9]+[.,][0-9]*)%[[:space:]]*idle.*/\1/p' \