19 lines
481 B
Bash
Executable file
19 lines
481 B
Bash
Executable file
#!/usr/bin/env sh
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battery=$1
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print_battery_status() {
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battery_capacity=$(cat "/sys/class/power_supply/${battery}/capacity") \
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|| exit
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if [ "$battery_capacity" -lt 25 ]; then echo critical
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elif [ "$battery_capacity" -lt 50 ]; then echo low
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elif [ "$battery_capacity" -lt 75 ]; then echo medium
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elif [ "$battery_capacity" -lt 100 ]; then echo high
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else echo full
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fi
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}
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while :; do
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print_battery_status
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sleep 20
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done
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