To Blue:
root@julien:~# on_ac_power ; echo $? 0
root@julien:~# ps axu |grep apm root 7139 0.0 0.1 2988 772 pts/1 R+ 13:47 0:00 grep apm
To Blue:
root@julien:~# on_ac_power ; echo $?
0
root@julien:~# ps axu |grep apm
root 7139 0.0 0.1 2988 772 pts/1 R+ 13:47 0:00 grep apm