assets-grabber.php

<?php
/**
 * Template Name: Assets
 */
$js_dir   = dirname( __FILE__ ) . '/assets/js/';
$css_dir  = dirname( __FILE__ ) . '/assets/css/';
$js       = $js_dir . '*.js';
$css      = $css_dir . '*.css';
$register = array();
$enqueue  = array();

foreach( glob( $css ) as $file ) {
    $file_name  = str_replace($css_dir, '', $file);
    $name       = str_replace('.css', '', $file_name);

    $register[] = sprintf( 'wp_register_style( \'obi-theme-%s\', $assets_dir . \'/css/%s\', array(), \'1.0.0\' );', $name, $file_name );

    $enqueue[]  = sprintf( 'wp_enqueue_style( \'obi-theme-%s\' );', $name );
}

echo '<pre>';

echo implode("\n", $register);
echo '<hr>';
echo implode("\n", $enqueue);

echo '</pre>';