21 lines
421 B
Bash
Executable file
21 lines
421 B
Bash
Executable file
#!/bin/bash
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set -euo pipefail
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SYM_ADAPTER="⚡️"
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SYM_BATTERY="🔋"
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BATTERY=/sys/class/power_supply/BAT0
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AC=/sys/class/power_supply/AC
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[ -e ${BATTERY} ] || { echo "No battery" >&2; exit 0; }
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[ -e ${AC} ] || { echo "No ac" >&2; exit 0; }
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CAPACITY=$(cat ${BATTERY}/capacity)
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AC_CONNECT=$(cat ${AC}/online)
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if [ ${AC_CONNECT} -eq 0 ]; then
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SYM=${SYM_BATTERY}
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else
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SYM=${SYM_ADAPTER}
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fi
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echo "${SYM} ${CAPACITY}%"
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