This will separate each category with a pipe | except the last category:
Code: Select all
{if $entry->categories}
<p class="categories">
{strip}Categories:
{section loop=$entry->categories name='category'}
{$entry->categories[category].name}
{if !$smarty.section.category.last}| {/if}
{/section}
{/strip}
</p>
{/if}
Categories: category1 | category2 | category3 | category4