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$ magerun dev:setup:script:attribute catalog_product product_finish 

<?php
$setup = new Mage_Catalog_Model_Resource_Setup('core_setup');

$attr = array (
  'attribute_model' => NULL,
  'backend' => NULL,
  'type' => 'int',
  'table' => NULL,
  'frontend' => NULL,
  'input' => 'select',
  'label' => 'Product Finish',
  'frontend_class' => NULL,
  'source' => 'eav/entity_attribute_source_table',
  'required' => '0',
  'user_defined' => '1',
  'default' => '',
  'unique' => '0',
  'note' => NULL,
  'input_renderer' => NULL,
  'global' => '1',
  'visible' => '1',
  'searchable' => '1',
  'filterable' => '2',
  'comparable' => '1',
  'visible_on_front' => '1',
  'is_html_allowed_on_front' => '1',
  'is_used_for_price_rules' => '0',
  'filterable_in_search' => '0',
  'used_in_product_listing' => '1',
  'used_for_sort_by' => '1',
  'is_configurable' => '1',
  'apply_to' => 'configurable,simple',
  'visible_in_advanced_search' => '1',
  'position' => '0',
  'wysiwyg_enabled' => '0',
  'used_for_promo_rules' => '0',
  'option' => 
  array (
    'values' => 
    array (
      0 => 'Polished Chrome',
      1 => 'Blue & Polished Chrome',
      2 => 'Green & Polished Chrome',
      3 => 'Grey & Polished Chrome',
      4 => 'Brushed Nickel',
      5 => 'Brushed Chrome',
      6 => 'Polished Brass',
      7 => 'Oil Rubbed Bronze',
      8 => 'Polished Nickel',
    ),
  ),
);
$setup->addAttribute('catalog_product', 'product_finish', $attr);
            
$attribute = Mage::getModel('eav/entity_attribute')->loadByCode('catalog_product', 'product_finish');
$attribute->setStoreLabels(array (
));
$attribute->save();