use double quotes to actually display the URL

Author: mquinson

distros/Docker/shutorial.sh

@@ -33,7 +33,7 @@ run)
     fi
     firefox "$url" 2>/dev/null
     echo ''
-    echo 'Please open $$url in your browser if it was not automatically done (use Ctrl-Insert in place of Ctrl-C if you need to copy this URL).'
+    echo "Please open $url in your browser if it was not automatically done (use Ctrl-Insert in place of Ctrl-C if you need to copy this URL)."
     echo 'When you are done, simply press Ctrl-D to exit the shutorial.'
     echo ''
     docker run -v ./site/usage/$exo:/exo -e LANG=C.UTF-8 -it shutorial sh -c "if test -f /exo/setup.sh; then /bin/bash /exo/setup.sh; fi && export PATH='/shutorial/bin:$PATH' && /bin/bash"