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122 lines
2.3 KiB
Bash
Executable file
122 lines
2.3 KiB
Bash
Executable file
#!/bin/bash
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legacyinfo=$(ioreg -l -w 2048 | grep 'LegacyBatteryInfo')
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get_attribute()
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{
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echo $legacyinfo | sed "s/.*\"$@\"=\([^,}][^,}]*\)[,}].*/\1/"
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}
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is_negative()
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{
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[ $(echo "$@ > (2^63-1)" | bc) == "1" ]
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}
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two_complement()
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{
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echo "2^64 - $@" | bc
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}
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fix_negative()
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{
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# is the value negative?
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if is_negative "$@"; then
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# compute two's complement
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echo "-$(two_complement "$@")"
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else
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echo "$@"
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fi
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}
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get_integer_attribute()
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{
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fix_negative "$(get_attribute "$@")"
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}
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amperage()
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{
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get_integer_attribute 'Amperage'
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}
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full_capacity()
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{
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get_integer_attribute 'Capacity'
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}
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current_capacity()
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{
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get_integer_attribute 'Current'
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}
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voltage()
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{
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get_integer_attribute 'Voltage'
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}
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cycle_count()
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{
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get_integer_attribute 'Cycle Count'
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}
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discharge_time()
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{
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hours=$(echo "-$(current_capacity) / $(amperage)" | bc)
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minutes=$(echo "-( $(current_capacity) % $(amperage) ) * 60 / $(amperage)" | bc)
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echo "$hours:$minutes"
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}
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full_discharge_time()
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{
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hours=$(echo "-$(full_capacity) / $(amperage)" | bc)
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minutes=$(echo "-( $(full_capacity) % $(amperage) ) * 60 / $(amperage)" | bc)
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echo "$hours:$minutes"
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}
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charge_time()
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{
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hours=$(echo "( $(full_capacity) - $(current_capacity) ) / $(amperage)" | bc)
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minutes=$(echo "( ( $(full_capacity) - $(current_capacity) ) % $(amperage) ) * 60 / $(amperage)" | bc)
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echo "$hours:$minutes"
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}
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full_charge_time()
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{
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hours=$(echo "$(full_capacity) / $(amperage)" | bc)
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minutes=$(echo "( $(full_capacity) % $(amperage) ) * 60 / $(amperage)" | bc)
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echo "$hours:$minutes"
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}
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remaining_time()
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{
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if [ $(echo "$(amperage) < 0" | bc) == "1" ]; then
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discharge_time
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elif [ $(echo "$(amperage) > 0" | bc) == "1" ]; then
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charge_time
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else
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echo "0:00"
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fi
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}
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full_time()
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{
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if [ $(echo "$(amperage) < 0" | bc) == "1" ]; then
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full_discharge_time
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elif [ $(echo "$(amperage) > 0" | bc) == "1" ]; then
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full_charge_time
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else
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echo "0:00"
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fi
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}
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charge_ratio()
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{
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echo "$(echo "( $(current_capacity) * 100 / $(full_capacity) )" | bc)%"
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}
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attributes=('amperage' 'full_capacity' 'current_capacity' 'voltage' 'cycle_count' 'remaining_time' 'charge_ratio' 'full_time')
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for ((i=0;i<${#attributes[*]};i++)); do
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data=$(${attributes[$i]})
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echo "${attributes[$i]}: $data"
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done
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