40 lines
1018 B
Bash
Executable File
40 lines
1018 B
Bash
Executable File
#!/usr/bin/env zsh
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if [[ "$(uname)" = 'Linux' ]]; then
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let charge_full="$(cat '/sys/class/power_supply/BAT0/charge_full')."
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function get_battery_percent {
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let charge_now="$(cat '/sys/class/power_supply/BAT0/charge_now')."
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printf '%.0f' "$((charge_now / charge_full * 100))"
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}
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function is_adapted_connected {
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let connected="$(cat /sys/class/power_supply/ADP1/online)"
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if ((${connected} == 1)); then
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echo true
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else
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echo false
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fi
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}
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# Linux ends here
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else
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echo "${0}: error: unknown os: \"$(uname)\"" >&2
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exit 1
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fi
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function send_battery_warning {
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notify-send -t 0 "Low Battery" "Battery is at ${1}%!"
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}
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local did_notify=false
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while true; do
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let battery_percent="$(get_battery_percent)"
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if ((${battery_percent} > 10)) || "$(is_adapted_connected)"; then
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did_notify=false
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elif ! ${did_notify}; then
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did_notify=true
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send_battery_warning ${battery_percent}
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fi
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sleep 10
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done
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