cpu info mac osx

cpu_info

myCPU=`top -l 1 | awk '/CPU usage/ {print $3}' | sed s/%//`
myCPU=`echo "tmp=$myCPU; tmp /= 1; tmp" | bc`

typeset -i b=9
echo "CPU Usage      \c"
while [ $b -lt $myCPU ]
do
	echo "|\c"
	b=`expr $b + 10`
done

while [ $b -lt 99 ]
do
	echo "\033[2;30m|\033[0m\c"
	b=`expr $b + 10`
done
echo " $myCPU%\c"
echo "\r"
unset myCPU
unset b

myUsedMem=`top -l 1 | awk '/PhysMem/ {print $2}' | sed s/M// `
myFreeMem=`top -l 1 | awk '/PhysMem/ {print $6}' | sed s/M// `
myActiveMem=`top -l 1 | awk '/PhysMem/ {print $4}' | sed s/M// | sed s/\(// `
myTotalMem=` expr $myUsedMem + $myFreeMem`

myUsedPer=`echo $myActiveMem $myTotalMem | awk '{print int($1/$2*100)}'`
typeset -i c=9
echo "Memory Usage   \c"
while [ $c -lt $myUsedPer ]
do
        echo "|\c"
        c=`expr $c + 10`
done

while [ $c -lt 99 ]
do
        echo "\033[2;30m|\033[0m\c"
        c=`expr $c + 10`
done
echo " $myUsedPer%\c"
echo "\r"

unset myUsedMem
unset myFreeMem
unset myTotalMem
unset myUsedPer
unset c