NAME
on_ac_power - test whether computer is running on AC power
SYNOPSIS
on_ac_power
DESCRIPTION
on_ac_power checks whether the system is running on AC power (i.e.,
mains power) as opposed to battery power.
OPTIONS
None.
EXIT STATUS
0 (true) System is on mains power
1 (false) System is not on mains power
255 (false) Power status could not be determined
FILES
/proc/apm APM status information file
/proc/acpi ACPI status information directory
AUTHOR
This manual page was written by Steve Dodd <steved@loth.demon.co.uk>
and was updated by Thomas Hood.
9 March 2002