systemd-ac-power - Man Page

• Silently check and return a 0 status code when running on AC power, and a non-zero code otherwise: systemd-ac-power
• Additionally print yes or no to stdout: systemd-ac-power [-v|--verbose]

tldr.sh

systemd-ac-power [Options...]

systemd-ac-power may be used to check whether the system is running on AC power or not​. By default, it will simply return success (if we can detect that we are running on AC power) or failure, with no output​. This can be useful for example to debug ConditionACPower= (see systemd.unit(5))​.

The following options are understood:

-v,  --verbose

Show result as text instead of just returning success or failure​.

Added in version 253​.

--low

Instead of showing AC power state, show low battery state​. In this case, will return zero if all batteries are currently discharging and below 5% of maximum charge​. Returns non-zero otherwise​.

Added in version 254​.

-h,  --help

Print a short help text and exit​.

--version

Print a short version string and exit​.

On success (running on AC power), 0 is returned, a non-zero failure code otherwise​.

systemd(1)