diff --git a/chip-battery.sh b/chip-battery.sh
old mode 100644
new mode 100755
index 7c31d58..d726afd
--- a/chip-battery.sh
+++ b/chip-battery.sh
@@ -1,4 +1,4 @@
-#!/bin/bash/
+#!/bin/bash
 #
 # library based on work by: @author Raoul R., 2016
 #
@@ -88,9 +88,6 @@ function setLed() {
 # @return ... true if button pressed else false as return value
 function isButtonPressed() {
   local value=$(cat ${POWER_BUTTON_GPIO}/value)
-  
-
-  
   if [ "$value" -eq "0" ] ; then
     shutdownCommand "shutdown on button pressed"
   fi
@@ -104,16 +101,16 @@ function verifyButton() {
 }
 
 function main() {
-  setupGpioInputButton
-  
+#  setupGpioInputButton
+ echo "hello" 
   while true ; do
-    setLed 1
+#    setLed 1
     verifyBatteryVoltage
-    setLed 0
+#    setLed 0
     sleep 3
   done
 }
 
 # start monitoring in subshell and nonblocking
-$(main)
+main
 #exit 0