Add check-version.sh script

check-version.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+URL="https://sourceware.org/bzip2/index.html"
+
+# Get version number from tag name
+VERSION=$(curl -s -L "$URL" | grep 'The current stable version is bzip2 ' | grep -o -E '([0-9]*\.[0-9]*)\.[0-9]*' | head -n1)
+
+echo "$VERSION"