2020-07-04 14:23:27 +02:00
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#!/bin/sh
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# Prints all batteries, their percentage remaining and an emoji corresponding
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# to charge status (🔌 for plugged up, 🔋 for discharging on battery, etc.).
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case $BLOCK_BUTTON in
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3) notify-send "🔋 Battery module" "🔋: discharging
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🛑: not charging
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2020-11-07 19:07:02 +01:00
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🔄;: stagnant charge
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2020-07-04 14:23:27 +02:00
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🔌: charging
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⚡: charged
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❗: battery very low!" ;;
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esac
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# Loop through all attached batteries.
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for battery in /sys/class/power_supply/BAT?
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do
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# Get its remaining capacity and charge status.
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2020-11-07 19:07:02 +01:00
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capacity=$(cat "$battery"/capacity 2>/dev/null)
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2020-12-15 13:41:57 +01:00
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[ -n "$capacity" ] && [ "$capacity" -gt 100 ] && continue #do not print misreads
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2020-11-08 10:58:32 +01:00
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[ -z "$capacity" ] && continue #if battery fails during reading, quit
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2020-11-07 19:07:02 +01:00
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status=$(sed "s/Discharging/🔋/;s/Not charging/🛑/;s/Charging/🔌/;s/Unknown/🔋/;s/Full/⚡/" "$battery"/status)
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2020-07-04 14:23:27 +02:00
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# If it is discharging and 25% or less, we will add a ❗ as a warning.
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2020-11-07 23:52:40 +01:00
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[ "$capacity" -le 25 ] && [ "$status" = "🔋" ] && warn="❗"
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2020-11-07 19:07:02 +01:00
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printf "%s%s%s%%\n" "$status" "$warn" "$capacity"
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2020-07-04 14:23:27 +02:00
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unset warn
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done | sed 's/ *$//'
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