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up vote 1 down vote favorite

I want to create a comma separated list of categories to which an entry belongs, but without the trailing slash on the last element... can't work out how to remove it!

{% for category in entry.mediaType %}
    <b>{{ category.title }}</b>,
{% endfor %}
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2 Answers 2

up vote 3 down vote accepted

There is a special tag inside for loops you can use for this

{% for category in entry.mediaType %}
    <b>{{ category.title }}</b>,
    {% if loop.last %}
        <b>{{ category.title }}</b>
    {% endif %}
{% endfor %}

Full list here

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Awesome, I could not find this anywhere in the Craft docs, thank you! –  Matt Wilcox 13 hours ago
3  
You didn't find it in the Craft docs because it's a native Twig variable. –  Lindsey D♦ 13 hours ago
1  
Is there an advantage to this vs wrapping the "," in a {% if not loop.last %}? –  Dustin Walker 2 hours ago
    
Personal preference. –  jnowland 2 hours ago
up vote 1 down vote

While your conditional is complete personally preference I would do the following as I find it slightly easier to read. Note the use of the {%- if -%} to trim whitespace:

{% for category in entry.mediaType %}
    <b>{{ category.title }}</b>
    {%- if not loop.last -%}
      ,
    {% endif %}
{% endfor %}
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To clean it up even further: {{ not loop.last ? "," }} –  Lindsey D♦ 57 mins ago

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