Quick bash script to find and move any files older than 2 years into an archive folder...

gistfile1.sh

# Ed Morgan [ed.morgan@ansgroup.co.uk]
# v 0.1 - DIRTY HACKS

FROMDIR="/Volumes/HITACHI"
TODIR="/Volumes/HITACHI/archive"
tmp="~/movelist.$$"

cd "$FROMDIR"
find . -depth -mtime +730 -printf "%Y %p\n" >$tmp
sed 's/^. //' < $tmp | cpio --quiet -pdm "$TODIR"

while read -r type name
do
    case $type in
    f) rm "$name";;
    d) rmdir "$name";;
    esac
done < $tmp