Is there a way to select posts and print to a template page dynamically?

So just thought I would update with the solution I came up with incase anyone run across this in the future.

What I did was rebuild the url in the function and pass the ids in the url to the template page.

    function custom_bulk_action() {
        global $typenow;
        $post_type = $typenow;

        if($post_type == 'post_type') {

            // get the action
            $wp_list_table = _get_list_table('WP_Posts_List_Table');  // depending on your resource type this could be WP_Users_List_Table, WP_Comments_List_Table, etc
            $action = $wp_list_table->current_action();

            $allowed_actions = array("export");
            if(!in_array($action, $allowed_actions)) return;

            // security check
            check_admin_referer('bulk-posts');

            // make sure ids are submitted.  depending on the resource type, this may be 'media' or 'ids'
            if(isset($_REQUEST['post'])) {
                $post_ids = array_map('intval', $_REQUEST['post']);
            }

            if(empty($post_ids)) return;

            // this is based on wp-admin/edit.php
            $sendback = get_site_url() . '/whatever/?';

            switch($action) {
                case 'export':

                    // if we set up user permissions/capabilities, the code might look like:
                    //if ( !current_user_can($post_type_object->cap->export_post, $post_id) )
                    //  wp_die( __('You are not allowed to export this post.') );

                    $exported = 0;
                    foreach( $post_ids as $post_id ) {

                        if ( !$this->perform_export($post_id) )
                            wp_die( __('Error printeting post.') );

                        $exported++;
                    }

                    $sendback = add_query_arg( array('ids' => join(',', $post_ids) ), $sendback );
                break;

                default: return;
            }

            $sendback = remove_query_arg( array('action', 'action2', 'tags_input', 'post_author', 'comment_status', 'ping_status', '_status',  'post', 'bulk_edit', 'post_view'), $sendback );

            wp_redirect($sendback);
            exit();
        }
    }

Once I got the ids in the url I put them into an array $postIds = explode(',', $_GET['ids']); and called them in the WP_Query args using post__in.

There’s probably a bit of unnecessary code left in there but it gets the job done.

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