#!/bin/bash

sourcedirs=(/mnt/from_ssd)
destdir=/mnt/to_hdd

function filesMatch {
   local arg="$*"
   local files=($arg)
   [ ${#files[@]} -gt 1 ] || [ ${#files[@]} -eq 1 ] && [ -e "${files[0]}" ]
}

while true
do
    for sourcedir in ${sourcedirs[@]}; do
        if filesMatch "$sourcedir/*.plot"; then
            for f in $sourcedir/*.plot; do
                date
                echo Moving $f to $destdir/$(basename $f).tmp
                time mv $f $destdir/$(basename $f).tmp
                echo Renaming $destdir/$(basename $f).tmp to $destdir/$(basename $f)
                mv $destdir/$(basename $f).tmp $destdir/$(basename $f)
                echo Plot $(basename $f) done
            done
        fi
    done
    sleep 30
done