Add to wordpress theme's functions.php thanks to http://interconnectit.com/3920/embed-all-the-gists/ Usage: Paste a gist link into a blog post or page and it will be embedded eg: https://gist.github.com/2926827 If a gist has multiple files you can select one using a url in the following format: https://gist.github.com/2926827?file=embed-gist.php …

regGit.php

wp_embed_register_handler( 'gist', '/https?:\/\/gist\.github\.com(\/[^\/]+)?\/([a-z0-9]+)(\?file=.*)?/i', 'wp_embed_handler_gist' );
 
function wp_embed_handler_gist( $matches, $attr, $url, $rawattr ) {
 
    $embed = sprintf(
            '<script src="https://gist.github.com/%1$s.js%2$s"></script>',
            esc_attr($matches[2]),
            esc_attr($matches[3])
            );
 
    return apply_filters( 'embed_gist', $embed, $matches, $attr, $url, $rawattr );
}