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#!/bin/bash
# Copyright (C) 2011, 2013 Luke Shumaker <lukeshu@sbcglobal.net>
if [[ $# -ne 2 ]]; then
echo "Usage: $0 THRESHOLD COMMAND"
fi
thresh=$1
cmd=$2
while true; do
num=`acpi|sed -nr '/Discharging/s/.*, ([0-9]*)%,.*/\1/p'`
num=${num:-100}
if (( "$num" < "$thresh" )); then
eval "$cmd"
else
sleep 1
fi
done
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