Julian Prein
d327ddf79b
Catch if the files needed in the battery module are missing and exit early. Do not mess up the bar by printing error messages. Instead abort.
30 lines
756 B
Bash
Executable File
30 lines
756 B
Bash
Executable File
#!/usr/bin/env bash
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## config
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full=80
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low=20
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############################
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red='%{F#f00}'
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green='%{F#0f0}'
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end='%{F-}'
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bat="$(cat /sys/class/power_supply/BAT0/capacity 2>/dev/null)" || exit
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ac="$(cat /sys/class/power_supply/AC/online 2>/dev/null)"
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declare -a ramp
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ramp=( )
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# display in red when under $low and no charger is connected
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[[ "$bat" -gt "$low" || "$ac" -eq 1 ]] || color="$red"
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# display in green when over $full and a charger is connected
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[[ "$bat" -lt "$full" || "$ac" -eq 0 ]] || color="$green"
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let "icon_index = $bat / (${#ramp[@]} - 1)"
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[[ $icon_index -lt ${#ramp[@]} ]] || icond_index=10
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icon="${ramp[$icon_index]}"
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[[ "$ac" -eq 0 ]] || charge=""
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echo "${color}${icon}${charge} ${bat}%"
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