sed -i '' -E 's/<pre class="wp-block-code"><code>/```\n/g' 2019-06-30-adding-thunderbolt-devices-in-fedora-server-30.md
sed -i '' -E 's/<\/code><\/pre>/\n```/g' 2019-06-30-adding-thunderbolt-devices-in-fedora-server-30.md