lftp sync

sync.sh

#!/bin/bash

OLDSUM=0
echo "$(tput setaf 3)`date +"%T"`: loading...$(tput sgr0)";
while true ; do
    sleep 1;
    NEWSUM=`ls -laR | md5sum`
    if [ "$OLDSUM" != "$NEWSUM" ] ; then
        lftp YOUR_HOST -e 'mirror --use-cache --exclude-glob static/.sass-cache/ -R -v ~/YOUR_DIRECTORY /
        bye';
        echo "$(tput setaf 3)`date +"%T"`: updated$(tput sgr0)"
    fi
    OLDSUM=$NEWSUM
done