on_ac_power (1)

Test whether computer is running on ac power

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  4. on_ac_power: Test whether computer is running on ac power
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  4. 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 <[email protected]> and was updated by Thomas Hood.