simple rsync bash script

syncFolders.sh

#!/usr/bin/env bash

# brew install rsync


# SETTINGS
def_src="$HOME" # default source
def_dst="/Path/to/external/drive/folder" # default destination


# Variables
date=$( date "+%Y-%m-%d-%H-%M-%S" )
rsync_version=$( rsync --version | head -n 1)
sim=""

# COLORS
bold='\033[1m'
blue='\033[1;34m'
ul='\033[4m'
nc='\033[0m'

# welcome screen

clear
echo
echo "  .----.-----.--.--.-----.----.  "
echo "  |   _|__ --|  |  |     |  __|  "
echo "  |__| |_____|___  |__|__|____|  "
echo "             |_____|             "
echo

echo -e "\n${bold}:: Running ${blue}${rsync_version}${nc}...\n"

read -p "Source: [default: ${def_src}] " src
test -z "${src}" && src=${def_src}
read -p "Destination: [default: ${def_dst}] " dst
test -z "${dst}" && dst=${def_dst}

logs="${dst}/_rsyncLogs.txt"

if [ ! -d "${dst}" ]
then
    echo -e "Destination ${dst} do not exists.\nAborting…"
    exit 2
elif [ ! -d "${src}" ]
then
    echo -e "Source ${src} do not exists.\nAborting…"
    exit 2
fi

echo
# simulation
rsync -arhP --exclude=.* --dry-run "${src}/" "${dst}/"

echo
echo -e "  - Source:      \t${ul}${src}${nc}"
echo -e "  - Destination: \t${ul}${dst}${nc}"

echo
echo -e "${bold}→ Continue? [y/n]${nc}"
read -p "  Logs only: [l] " -r
echo
if [[ ! $REPLY =~ ^[YyLl]$ ]]
then
    exit 1
elif [[ $REPLY =~ ^[Ll]$ ]]
then
    sim="--dry-run"
fi

# rsync command

echo -e "\n-------------------\n${date}\n-------------------\n" >> "${logs}"
time rsync -arhP --exclude=.* ${sim} "${src}/" "${dst}/" 2>&1 | tee -a "${logs}"