ON_AC_POWER(1)

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.