Swapclear.sh

swapclear.sh

#!/bin/bash
meminfo=($(tr '\n' ' ' < /proc/meminfo))

         # MemFree         Buffers         Caches                    SwapTotal        SwapFree
if [ $(( ${meminfo[4]} + ${meminfo[7]} + ${meminfo[10]} )) -gt $(( ${meminfo[52]} - ${meminfo[55]} )) ]; then
        sudo swapoff -a;
        sudo swapon -a;
        echo "Flushed Swap"
else
        echo "Nothing to do here"

fi

Checks to see if you have more free RAM then used swap. If so it turns swap off and back on to flush it.