ON_AC_POWER(1)                       General Commands Manual                       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 AT loth.uk> and  was  updated  by
       Thomas Hood.



                                           9 March 2002                            ON_AC_POWER(1)