.Dd $Mdocdate$
.Dt FBATT 1
.Os "Causal Agency"
.Sh NAME
.Nm fbatt
.Nd framebuffer battery indicator
.Sh SYNOPSIS
.Nm
.Sh DESCRIPTION
.Nm
displays a battery charge indicator
in the top-right corner
of the Linux framebuffer.
.Sh ENVIRONMENT
.Bl -tag
.It Ev FRAMEBUFFER
The framebuffer device path.
.El
.Sh FILES
.Bl -tag
.It Pa /dev/fb0
The default framebuffer device path.
.It Pa /sys/class/power_supply
The first subdirectory containing
.Pa charge_full
and
.Pa charge_now
is used to read the battery charge.
.El