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#!/bin/sh
# Check battery state, save result to a file. Pop up notification if changed.
# Requires: battery-status, notify-battery
file="${XDG_DATA_HOME:-$HOME/.local/share}/batterystatus"
low=20
crit=15
new=$(battery-status)
level=$(echo "$new" | sed 's/%.*//')
status=$(echo "$new" | awk '{print $2}')
[ "$status" = "Discharging" ] && [ $level -le $low ] && status="Low"
[ "$status" = "Discharging" ] && [ $level -le $crit ] && status="Critical"
if [ "$status" != "$(cat $file)" ] || [ "$status" = "Critical" ]; then
notify-battery
fi
echo "$status" > "$file"
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