Example of use commands

sed -E -e "s/\..+$//g"  -e "s/_(.)/ \u\1/g" -e "s/^(.)/\u\1/g"

link_wrapper() {
    # 1 - id
    # 2 - title
    # 3 - date
    # 4 - read time
    echo -ne "
    <tr>
        <td class="table-post">
            <div class=\"date\">
                $3
            </div>
            <a href=\"/posts/$1\" class=\"post-link\">
                <span class=\"post-link\">$2</span>
            </a>
        </td>
        <td class="table-stats">
            <span class=\"stats-number\">
                $4
            </span>
            <span class="stats-unit">min</span>
        </td>
    </tr>
    "
}