sync_files

#!/bin/bash
#------------------------------------------------------------------------------#
#Title           :sync_files
#Author          :Ivan Batistic
#Date            :01/2023
#Version         :0.1
#Bash_version    :5.1.16(1)-release
#Description     :Sync two folders using rsync
#------------------------------------------------------------------------------#

if [[ ( $# -eq 0 ) || ( $1 == "--help" ) || ( $1 == "-h" ) ]] ; then
    echo "Configured rsync function to sync files" 
    echo "       " 
    echo "Options used: -rtpv --progress --delete --modify-window=1 -lHs"
    echo "       "
    echo "Mandatory arguments (can be relative path): " 
    echo "PATH_FROM: sourceDir/" 
    echo "PATH_TO: targetDir/" 
    echo "     "
    echo "Example:"
    echo "rsync -r -t -p -v --progress --delete --modify-window=1 -l -H -s sourceDir/ targetDir/"

    exit 1
fi

if [[ $# -ne 2 ]]; then
    echo "2 argument required, $# provided" >&2
    exit 2
fi

#grabs last passed argument..
for last; do true; done

printf "\n"
echo "Source folder:  ${@:1:$(($#-1))}"
echo "Target folder: $last"
printf "\n"

while true; do

    rsync -n -r -t -p -v --progress --delete --modify-window=1 -l -H -s ${@:1:$(($#-1))} $last
    
    read -p "Do you want to continue? (y/n) " yn

    case $yn in 
        [yY] ) rsync -r -t -p -v --progress --delete --modify-window=1 -l -H -s ${@:1:$(($#-1))} $last
            break;;
        [nN] ) break;;
        * ) echo invalid response;;
    esac

done

#------------------------------------------------------------------------------#