Linux: script per ottenere informazioni sulle batterie dei portatili

Ecco un semplice script che, se eseguito da terminale, permette di ottenere informazioni su ogni batteria presente nel vostro computer portatile.

1. create un file (es: /usr/local/bin/battery.sh)
2.  al suo interno inserite quanto segue

   #!/bin/shoDIR=$( pwd )oIFS=$IFSIFS=$'\n'for BATTERY in $( find /sys -name "BAT*" -type d 2>/dev/null );do	cd $BATTERY		PRESENT=$( grep 1 present 2>/dev/null)	if [ "$PRESENT" != "" ]; then		PRESENT="Yes"	else		PRESENT="No"	fi	MODEL="$(cat manufacturer 2>/dev/null) $(cat model_name 2>/dev/null) $(cat technology 2>/dev/null)"	SERIAL=$(cat serial_number 2>/dev/null | sed -es/\ //g)	[ "$SERIAL" != "" ] && MODEL="$MODEL - s/n: $SERIAL"	CYCLES=$( cat cycle_count 2>/dev/null )	[ "$CYCLES" = "" ] && CYCLES="N.A."	STATUS=$( cat status 2>/dev/null )	[ "$STATUS" = "" ] && STATUS="N.A."	CAPACITY=$( cat capacity_level 2>/dev/null)	[ "$CAPACITY" = "" ] && CAPACITY="N.A."	CAPACITY_PCT=$( cat capacity 2>/dev/null)	[ "$CAPACITY_PCT" != "" ] && CAPACITY="${CAPACITY_PCT}% - $CAPACITY"	ENERGY=$( cat energy_full 2>/dev/null )	[ "$ENERGY" = "" ] && ENERGY="N.A."	ENERGY_DESIGN=$( cat energy_full_design 2>/dev/null )	[ "$ENERGY_DESIGN" = "" ] && ENERGY_DESIGN="N.A."	[[ "$ENERGY_DESIGN" != "N.A." && "$ENERGY" != "N.A." ]] && ENERGY=$(( 100*$ENERGY/$ENERGY_DESIGN ))	VOLTAGE=$( cat voltage_now 2>/dev/null )	[ "$VOLTAGE" = "" ] && VOLTAGE="N.A."	[ "$VOLTAGE" != "N.A." ] && VOLTAGE="$( echo $VOLTAGE | head -c2).$( echo $VOLTAGE | head -c4 | tail -c2)"	VOLTAGE_MIN=$( cat voltage_min_design 2>/dev/null )	[ "$VOLTAGE_MIN" = "" ] && VOLTAGE_MIN="N.A."	[ "$VOLTAGE_MIN" != "N.A." ] && VOLTAGE_MIN="$( echo $VOLTAGE_MIN | head -c2).$( echo $VOLTAGE_MIN | head -c4 | tail -c2)"		echo "Battery $(basename $BATTERY)"	echo "- Model: $MODEL"	echo "- Present: $PRESENT"	echo "- Status: $STATUS"	echo "- Capacity: $CAPACITY"	[[ "$CYCLES" != "N.A." && "$CYCLES" != "0" ]] && echo "- Cycles: $CYCLES"	[[ "$ENERGY" != "N.A." ]] && echo "- Max Energy: ${ENERGY}% of original"	echo "- Voltage: $VOLTAGE (Original min: $VOLTAGE_MIN)"	echo ""	doneIFS=$oIFScd $oDIR

3. salvate il file
4. date al file i permessi di esecuzione (es: chmod +x /usr/local/bin/battery.sh)
5. usate lo script (eseguente da terminale: /usr/local/bin/battery.sh)