sync two folders in ubuntu

a programm autosync two folders, this says could be local=>local, local=>remote, i'm testing remote=>local
#!/bin/bash
#
# Watch current directory (recursively) for file changes, and execute
# a command when a file or directory is created, modified or deleted.
#
# Written by: Senko Rasic 
#
# Requires Linux, bash and inotifywait (from inotify-tools package).
#
# To avoid executing the command multiple times when a sequence of
# events happen, the script waits one second after the change - if
# more changes happen, the timeout is extended by a second again.
#
# Installation:
#     chmod a+rx onchange.sh
#     sudo cp onchange.sh /usr/local/bin
#
# Example use - rsync local changes to the remote server:
#    
#    onchange.sh rsync -avt . host:/remote/dir
#
# Released to Public Domain. Use it as you like.
#
 
EVENTS="CREATE,CLOSE_WRITE,DELETE,MODIFY,MOVED_FROM,MOVED_TO"
 
if [ -z "$1" ]; then
    echo "Usage: $0 cmd ..."
    exit -1;
fi
 
inotifywait -e "$EVENTS" -m -r --format '%:e %f' . | (
    WAITING="";
    while true; do
        LINE="";
        read -t 1 LINE;
        if test -z "$LINE"; then
            if test ! -z "$WAITING"; then
                    echo "CHANGE";
                    WAITING="";
            fi;
        else
            WAITING=1;
        fi;
    done) | (
    while true; do
        read TMP;
        echo $@
        $@
    done
)

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