29 lines
741 B
Bash
Executable File
29 lines
741 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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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="$green"
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icon_index="$((bat / (${#ramp[@]} - 1)))"
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[[ $icon_index -lt ${#ramp[@]} ]] || icon_index=10
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icon="${ramp[$icon_index]}"
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[[ "$ac" -eq 0 ]] || charge=""
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echo "${color}${icon}${charge} ${bat}%"
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