49 lines
1.6 KiB
Bash
Executable File
49 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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# Query upower for the BAT1 battery; awk strips the "%" so we get a plain number.
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perc=$(upower -i /org/freedesktop/UPower/devices/battery_BAT1 | awk '/percentage/ {gsub("%",""); print $2}')
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# State can be "charging", "discharging", "fully-charged", etc.
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state=$(upower -i /org/freedesktop/UPower/devices/battery_BAT1 | awk '/state/ {print $2}')
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# Check if values are not empty
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if [ -z "$perc" ] || [ -z "$state" ]; then
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echo "Battery info unavailable"
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exit 1
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fi
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# Strip any fractional part for integer comparisons below (upower may return "42.00").
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num=${perc%%.*} # In case perc is float
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# Show a plug/charging icon regardless of level while the charger is connected.
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if [ "$state" == "charging" ]; then
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echo " ${perc}%"
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else
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# Map the level to a Nerd Font battery icon — 10% steps, critical at ≤10%.
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if [ "$num" -gt 95 ]; then
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echo " ${perc}%"
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elif [ "$num" -gt 90 ]; then
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echo " ${perc}%"
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elif [ "$num" -gt 80 ]; then
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echo " ${perc}%"
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elif [ "$num" -gt 70 ]; then
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echo " ${perc}%"
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elif [ "$num" -gt 60 ]; then
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echo " ${perc}%"
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elif [ "$num" -gt 50 ]; then
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echo " ${perc}%"
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elif [ "$num" -gt 40 ]; then
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echo " ${perc}%"
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elif [ "$num" -gt 30 ]; then
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echo " ${perc}%"
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elif [ "$num" -gt 20 ]; then
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echo " ${perc}%"
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elif [ "$num" -gt 10 ]; then
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echo " ${perc}%"
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else
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# At ≤10% fire a critical urgency desktop notification via dunst/libnotify.
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notify-send --urgency=critical -t 2000 " low battery, please charge"
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echo " ${perc}%"
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fi
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fi
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