bstatus="$(acpi -b 2> /dev/null)"
remaining="$(echo ${bstatus[(w)4]} | sed -r 's/(^[0-9]+)%.*/\1/')"
if [[ -z "$remaining" ]]; then
bstatus="$(acpi -b 2> /dev/null)"
remaining="$(echo ${bstatus[(w)4]} | sed -r 's/(^[0-9]+)%.*/\1/')"
if [[ -z "$remaining" ]]; then