system-util-functions

function mempercent {
  total=$(free -m | sed -n '2p' | awk '{print $2}')
  used=$(free -m | sed -n '3p' | awk '{print $4}')
  echo $(echo $(echo 'scale=2;'$used'/'$total'' | bc)*100 | bc | cut -d'.' -f1)"% memory usage (${used}M Used / ${total}M Total)"
}

function systemload {
  loadAverage=$(uptime | cut -d',' -f4 | grep -o "[0-9]*\.[0-9]*$")
  processors=$(cat /proc/cpuinfo | grep processor | tail -n1 | awk '{ print $3 }')
  let processors=$processors+1
  echo "$loadAverage ($processors.00 max)"
}