Backup

#!/bin/bash

function exiting()
{
    espeak -v english "$1"
    exit "$2"
}

if test -f "$1"; then
    file="$1"
else
    exiting "Invalid path or the file is missing" 1
fi

path_to_parent_directory=$(dirname "$file")
cd "$path_to_parent_directory" || exiting "Couldn't access the directory!"

mkdir backup

file_extension=".${file##*.}"
current_copy="./backup/current_copy${file_extension}"
cp "$file" "$current_copy"

yad --notification --image=archive &
panel_control_pid=$!

while ps -p "$panel_control_pid"; do
    if [ "$file" -nt "$current_copy" ]; then
        cp "$current_copy" "./backup/$(date +%y-%m-%d_%H-%M-%S)${file_extension}"
        cp "$file" "$current_copy"
        play -n synth 0.1 sine 220 vol -24dB
    fi
    sleep 3
done

exiting "Quitting" 0