# Create a backup of a file with the timestamp before the extension
function bkup {
    target=$1
    full_name=$(basename "$target")
    file_path=$(dirname "$target")
    file_extn="${full_name##*.}"
    file_name="${full_name%.*}"
    backup_file="${file_path}/${file_name}.${timestamp}.${file_extn}"

    if [[ ! -f $target ]]; then
        echo "It doesn't look like ${target} is a regular file"
        exit 1
    fi

    timestamp=$(date +%m.%d.%y.%s)

    echo -n "Backing up '${target}' to '${backup_file}'... "

    cp "${target}" "${backup_file}" &>/dev/null

    if [[ $? -gt 0 ]]; then
        echo "Error"
    else
        echo "Success"
    fi
}