Add check-version.sh script

check-version.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+URL="https://www.jedsoft.org/slang/"
+
+# Get version number from tag name
+VERSION=$(curl -s -L "$URL" | grep 'Version ' | grep -o -E '[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}')
+
+echo "$VERSION"