Empty swap space
==============
    
Public domain
********************************************************************************

    #!/bin/sh
    free -m
    echo
    sync
    echo 3 > /proc/sys/vm/drop_caches
    echo 0 > /proc/sys/vm/drop_caches
    FREE_RAM=$(free|grep Mem:|awk '{print $4}')
    SWAP_SIZE=$(free|grep Swap:|awk '{print $3}')
    echo "Free RAM  : ${FREE_RAM}"
    echo "Used SWAP : ${SWAP_SIZE}"
    if [ "${FREE_RAM}" -gt "${SWAP_SIZE}" ]; then
      swapoff -a
      swapon -a
      echo
      free -m
    else
      echo "Not enough Free RAM"
    fi
    echo
    
    
********************************************************************************
_BY: Pejman Moghadam_  
_TAG: swap, bash-script, bash_  
_DATE: 2009-10-22 13:50:56_