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#!/bin/bash |
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# modified from http://ficate.com/blog/2012/10/15/battery-life-in-the-land-of-tmux/ |
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HEART='♥ ' |
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if [[ `uname` == 'Linux' ]]; then |
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current_charge=$(cat /proc/acpi/battery/BAT1/state | grep 'remaining capacity' | awk '{print $3}') |
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total_charge=$(cat /proc/acpi/battery/BAT1/info | grep 'last full capacity' | awk '{print $4}') |
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else |
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battery_info=`ioreg -rc AppleSmartBattery` |
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current_charge=$(echo $battery_info | grep -o '"CurrentCapacity" = [0-9]\+' | awk '{print $3}') |
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total_charge=$(echo $battery_info | grep -o '"MaxCapacity" = [0-9]\+' | awk '{print $3}') |
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fi |
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charged_slots=$(echo "((($current_charge/$total_charge)*10)/3)+1" | bc -l | cut -d '.' -f 1) |
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if [[ $charged_slots -gt 3 ]]; then |
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charged_slots=3 |
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fi |
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echo -n '#[fg=colour196]' |
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for i in `seq 1 $charged_slots`; do echo -n "$HEART"; done |
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if [[ $charged_slots -lt 3 ]]; then |
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echo -n '#[fg=colour254]' |
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for i in `seq 1 $(echo "3-$charged_slots" | bc)`; do echo -n "$HEART"; done |
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fi |