#!/bin/bash

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

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

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

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

echo "$VERSION"