#!/bin/bash

URL="ftp://download.videolan.org/pub/videolan/x264/snapshots/"

# Get version number from FTP server
VERSION=$(curl -s --list-only "$URL" | grep '^x264-snapshot-.*.tar.bz2$' | grep -o -E '[0-9]{1,}-[0-9]{1,}' | sort -V | tail -n1)

# Replace '-' with '.'
VERSION=${VERSION//-/.}

echo "$VERSION"