ref: bb148ee1efa83571cafd184b60f0ba9347755eeb
dir: /bin/bat/
#!/bin/rc
rfork ne
if(! test -f '#s'/acpi)
aux/acpi -s acpi || exit
mount '#s'/acpi /mnt/pm || exit
if(! test -f /mnt/pm/battery)
exit no battery to hand
awk '
{
print $1, $11, $12
}
' /mnt/pm/battery