#!/bin/bash

URL="https://invisible-island.net/archives/dialog/"

# Get version number from tag name
VERSION=$(curl -s -L "$URL" | grep -o -E 'dialog-[0-9].[0-9]-[0-9]{1,}.tgz' | uniq | tail -n1)

# Trim prefix
VERSION=${VERSION//dialog-/}

# Trim suffix
VERSION=${VERSION//.tgz/}

echo "$VERSION"