use bash builtin sleep

1 files changed, 9 insertions, 2 deletions

diff --git a/go.sh b/go.sh
index d68c002..da662ec 100755
--- a/go.sh
+++ b/go.sh
@@ -1,5 +1,5 @@
-#!/bin/sh
-capacity_threshold=90
+#!/bin/bash
+capacity_threshold=50
 
 battery_dir=/sys/class/power_supply/BAT0
 status_file=$battery_dir/status
@@ -43,6 +43,13 @@ go()
 
 main()
 {
+    if [ -e /usr/lib/bash/sleep ]
+    then
+        enable -f /usr/lib/bash/sleep sleep
+    else
+        echo 'Warning: not found: /usr/lib/bash/sleep (try: "sudo apt install bash-builtins")' >&2
+    fi
+
     while true
     do
         go