rsync

#!/usr/bin/env bash

help()
{
    bel=`tput bel`
    bold=`tput bold`
    normal=`tput sgr0`
    red=`tput setaf 2`
    blue=`tput setaf 4`
    underline=`tput smul`
    cat << EOM
${bold}NAME${normal}
        ${red}./rsync${normal} - A script around the real ${blue}rsync${normal} utility

${bold}SYNOPSIS${normal}
        ${red}./rsync${normal} -h | --help
        ${red}./rsync${normal} ${underline}input${normal} ${underline}output${normal} [${underline}exclude${normal}]...
${bold}DESCRIPTION${normal}
        This utility wraps ${blue}rsync${normal} utility to provide a straight-
        forward shortcut and watches ${underline}input${normal} for changes (move,
        attrib, modify, create, delete) using inotifywait.

        ${bold}-h${normal}, ${bold}--help${normal}
            prints this help message
        ${bold}input${normal}
            ${blue}rsync${normal} source
        ${bold}output${normal}
            ${blue}rsync${normal} destination
        ${bold}exclude${normal}
            ${blue}rsync${normal} destination
${bold}LICENSE${normal}
        MIT
${bold}AUTHOR${normal}
        Written by :

        - YIMGA YIMGA Salathiel Genèse
          salathielgenese@gmail.com
EOM
printf "${bel}"
}

for arg in "$@"; do
    [ "$arg" = "--help" -o "$arg" = "-h" ] && help && exit 0
done

output="$2"
input="$1"
shift 2
for i in `seq $# -1 1`; do
    set -- "${@:1:$#-i}" "--exclude" "${@:$#-i+1}"
done
set -- "$@" "$input" "$output"
rsync -avzP --delete "$@"
while inotifywait -r -e move,attrib,modify,create,delete "$input"; do
    rsync -avzP --delete "$@"
done