dotfiles/.config/i3blocks/battery/battery_info.sh

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2021-11-13 19:24:20 +01:00
#!/bin/sh
# If ACPI was not installed, this probably is a battery-less computer.
ACPI_RES=$(acpi -b)
ACPI_CODE=$?
if [ $ACPI_CODE -eq 0 ]
then
# Get essential information. Due to som bug with some versions of acpi it is
# worth filtering the ACPI result from all lines containing "unavailable".
BAT_LEVEL_ALL=$(echo "$ACPI_RES" | grep -v "unavailable" | grep -E -o "[0-9][0-9]?[0-9]?%")
BAT_LEVEL=$(echo "$BAT_LEVEL_ALL" | awk -F"%" 'BEGIN{tot=0;i=0} {i++; tot+=$1} END{printf("%d%%\n", tot/i)}')
TIME_LEFT=$(echo "$ACPI_RES" | grep -v "unavailable" | grep -E -o "[0-9]{2}:[0-9]{2}:[0-9]{2}")
IS_CHARGING=$(echo "$ACPI_RES" | grep -v "unavailable" | awk '{ printf("%s\n", substr($3, 0, length($3)-1) ) }')
# If there is no 'time left' information (when almost fully charged) we
# provide information ourselvs.
if [ -z "$TIME_LEFT" ]
then
TIME_LEFT="00:00:00"
fi
# Print full text. The charging data.
TIME_LEFT=$(echo $TIME_LEFT | awk '{ printf("%s\n", substr($1, 0, 5)) }')
echo "🔋$BAT_LEVEL$TIME_LEFT "
# Print the short text.
echo "BAT: $BAT_LEVEL"
# Change the font color, depending on the situation.
if [ "$IS_CHARGING" = "Charging" ]
then
# Charging yellow color.
echo "#D0D000"
else
if [ "${BAT_LEVEL%?}" -le 15 ]
then
# Battery very low. Red color.
echo "#FA1E44"
else
# Battery not charging but at decent level. Green color.
echo "#007872"
fi
fi
fi