Originally Posted by blue_led

i polish your script
shorter, clearer

colored lines must be one line

sudo gainroot is not necessary if execute option is set

Code:

#! /bin/bash

sudo gainroot
#set variables for current bar level and previous bar level
curlvl=`lshal|grep percentage|tr -s " "|cut -d " " -f 4|sort -n|head -1`

echo $curlvl
#set pattern to current battery level

poff="com.nokia.mce /com/nokia/mce/request com.nokia.mce.request.req_led_pattern_deactivate string:"
pon="com.nokia.mce /com/nokia/mce/request com.nokia.mce.request.req_led_pattern_activate string:"
case $curlvl in
[80-100])color=white;;
[60-79])color=bblue;;
[40-59])color=yellow
[20-39])color=purple
[0-19])color=red;;
esac
for somecolor in white bblue yellow purple red; do
finaldestination="$poff$somecolor"
[ color -eq somecolor ] && finaldestination="$pon$somecolor"
dbus-send --system --type=method_call --dest=$finaldestination
done
exit