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- if [[ $(acpi 2&>/dev/null | grep -c '^Battery.*Discharging') -gt 0 ]] ; then
- function battery_pct_remaining() { echo "$(acpi | cut -f2 -d ',' | tr -cd '[:digit:]')" }
- function battery_time_remaining() { echo $(acpi | cut -f3 -d ',') }
- function battery_pct_prompt() {
- b=$(battery_pct_remaining)
- if [ $b -gt 50 ] ; then
- color='green'
- elif [ $b -gt 20 ] ; then
- color='yellow'
- else
- color='red'
- fi
- echo "%{$fg[$color]%}[$(battery_pct_remaining)%%]%{$reset_color%}"
- }
- else
- error_msg='no battery'
- function battery_pct_remaining() { echo $error_msg }
- function battery_time_remaining() { echo $error_msg }
- function battery_pct_prompt() { echo '' }
- fi
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