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253 lines
8.7 KiB
Markdown
253 lines
8.7 KiB
Markdown
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---
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title: Lists of content in Hugo
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linkTitle: List templates
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description: Lists have a specific meaning and usage in Hugo when it comes to rendering your site homepage, section page, taxonomy list, or taxonomy terms list.
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categories: [templates]
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keywords: [lists,sections,rss,taxonomies,terms]
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menu:
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docs:
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parent: templates
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weight: 60
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weight: 60
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toc: true
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aliases: [/templates/list/,/layout/indexes/]
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---
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## What is a list page template?
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{{< youtube 8b2YTSMdMps >}}
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A list page template is a template used to render multiple pieces of content in a single HTML page. The exception to this rule is the homepage, which is still a list but has its own [dedicated template][homepage].
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Hugo uses the term *list* in its truest sense; i.e. a sequential arrangement of material, especially in alphabetical or numerical order. Hugo uses list templates on any output HTML page where content is traditionally listed:
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* [Home page](/templates/homepage)
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* [Section pages](/templates/section-templates)
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* [Taxonomy pages](/templates/taxonomy-templates)
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* [Taxonomy term pages](/templates/taxonomy-templates)
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* [RSS feeds](/templates/rss)
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* [Sitemaps](/templates/sitemap-template)
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For template lookup order, see [Template Lookup](/templates/lookup-order/).
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The idea of a list page comes from the [hierarchical mental model of the web][mentalmodel] and is best demonstrated visually:
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[![Image demonstrating a hierarchical website sitemap.](site-hierarchy.svg)](site-hierarchy.svg)
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## List defaults
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### Default templates
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Since section lists and taxonomy lists (N.B., *not* [taxonomy terms lists][taxterms]) are both *lists* with regards to their templates, both have the same terminating default of `_default/list.html` or `themes/<THEME>/layouts/_default/list.html` in their lookup order. In addition, both [section lists][sectiontemps] and [taxonomy lists][taxlists] have their own default list templates in `_default`.
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See [Template Lookup Order](/templates/lookup-order/) for the complete reference.
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## Add content and front matter to list pages
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Since v0.18, [everything in Hugo is a `Page`][bepsays]. This means list pages and the homepage can have associated content files (i.e. `_index.md`) that contain page metadata (i.e., front matter) and content.
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This new model allows you to include list-specific front matter via `.Params` and also means that list templates (e.g., `layouts/_default/list.html`) have access to all [page variables][pagevars].
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{{% note %}}
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It is important to note that all `_index.md` content files will render according to a *list* template and not according to a [single page template](/templates/single-page-templates/).
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{{% /note %}}
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### Example project directory
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The following is an example of a typical Hugo project directory's content:
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```txt
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.
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...
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├── content
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| ├── posts
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| | ├── _index.md
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| | ├── post-01.md
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| | └── post-02.md
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| └── quote
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| | ├── quote-01.md
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| | └── quote-02.md
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...
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```
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Using the above example, let's assume you have the following in `content/posts/_index.md`:
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{{< code file=content/posts/_index.md >}}
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---
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title: My Go Journey
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date: 2017-03-23
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publishdate: 2017-03-24
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---
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I decided to start learning Go in March 2017.
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Follow my journey through this new blog.
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{{< /code >}}
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You can now access this `_index.md`'s' content in your list template:
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{{< code file=layouts/_default/list.html >}}
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{{ define "main" }}
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<main>
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<article>
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<header>
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<h1>{{ .Title }}</h1>
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</header>
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<!-- "{{ .Content }}" pulls from the markdown content of the corresponding _index.md -->
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{{ .Content }}
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</article>
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<ul>
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<!-- Ranges through content/posts/*.md -->
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{{ range .Pages }}
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<li>
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<a href="{{ .RelPermalink }}">{{ .Date.Format "2006-01-02" }} | {{ .LinkTitle }}</a>
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</li>
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{{ end }}
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</ul>
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</main>
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{{ end }}
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{{< /code >}}
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This above will output the following HTML:
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{{< code file=example.com/posts/index.html >}}
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<!--top of your baseof code-->
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<main>
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<article>
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<header>
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<h1>My Go Journey</h1>
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</header>
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<p>I decided to start learning Go in March 2017.</p>
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<p>Follow my journey through this new blog.</p>
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</article>
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<ul>
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<li><a href="/posts/post-01/">Post 1</a></li>
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<li><a href="/posts/post-02/">Post 2</a></li>
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</ul>
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</main>
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<!--bottom of your baseof-->
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{{< /code >}}
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### List pages without `_index.md`
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You do *not* have to create an `_index.md` file for every list page (i.e. section, taxonomy, taxonomy terms, etc) or the homepage. If Hugo does not find an `_index.md` within the respective content section when rendering a list template, the page will be created but with no `{{ .Content }}` and only the default values for `.Title` etc.
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Using this same `layouts/_default/list.html` template and applying it to the `quotes` section above will render the following output. Note that `quotes` does not have an `_index.md` file to pull from:
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{{< code file=example.com/quote/index.html >}}
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<!--baseof-->
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<main>
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<article>
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<header>
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<!-- Hugo assumes that .Title is the name of the section since there is no _index.md content file from which to pull a "title:" field -->
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<h1>Quotes</h1>
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</header>
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</article>
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<ul>
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<li><a href="https://example.org/quote/quotes-01/">Quote 1</a></li>
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<li><a href="https://example.org/quote/quotes-02/">Quote 2</a></li>
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</ul>
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</main>
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<!--baseof-->
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{{< /code >}}
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{{% note %}}
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The default behavior of Hugo is to pluralize list titles; hence the inflection of the `quote` section to "Quotes" when called with the `.Title` [page variable](/variables/page/). You can change this via the `pluralizeListTitles` directive in your [site configuration](/getting-started/configuration/).
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{{% /note %}}
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## Example list templates
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### Section template
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This list template has been modified slightly from a template originally used in [spf13.com](https://spf13.com/). It makes use of [partial templates][partials] for the chrome of the rendered page rather than using a [base template][base]. The examples that follow also use the [content view templates][views] `li.html` or `summary.html`.
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{{< code file=layouts/section/posts.html >}}
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{{ partial "header.html" . }}
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{{ partial "subheader.html" . }}
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<main>
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<div>
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<h1>{{ .Title }}</h1>
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<ul>
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<!-- Renders the li.html content view for each content/posts/*.md -->
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{{ range .Pages }}
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{{ .Render "li" }}
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{{ end }}
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</ul>
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</div>
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</main>
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{{ partial "footer.html" . }}
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{{< /code >}}
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### Taxonomy template
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{{< code file=layouts/_default/taxonomy.html >}}
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{{ define "main" }}
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<main>
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<div>
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<h1>{{ .Title }}</h1>
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<!-- ranges through each of the content files associated with a particular taxonomy term and renders the summary.html content view -->
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{{ range .Pages }}
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{{ .Render "summary" }}
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{{ end }}
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</div>
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</main>
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{{ end }}
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{{< /code >}}
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## Sort content
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By default, Hugo sorts page collections by:
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1. Page [weight]
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2. Page [date] (descending)
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3. Page [linkTitle], falling back to page [title]
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4. Page file path if the page is backed by a file
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[date]: /methods/page/date
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[weight]: /methods/page/weight
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[linkTitle]: /methods/page/linktitle
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[title]: /methods/page/title
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Change the sort order using any of the methods below.
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{{< list-pages-in-section path=/methods/pages filter=methods_pages_sort filterType=include titlePrefix=. omitElementIDs=true >}}
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## Group content
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Group your content by field, parameter, or date using any of the methods below.
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{{< list-pages-in-section path=/methods/pages filter=methods_pages_group filterType=include titlePrefix=. omitElementIDs=true >}}
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## Filtering and limiting lists
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Sometimes you only want to list a subset of the available content. A
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common is to only display posts from [main sections]
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on the blog's homepage.
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See the documentation on [`where`] and
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[`first`] for further details.
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[base]: /templates/base/
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[bepsays]: https://bepsays.com/en/2016/12/19/hugo-018/
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[directorystructure]: /getting-started/directory-structure/
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[`Format` function]: /methods/time/format/
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[front matter]: /content-management/front-matter/
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[getpage]: /methods/page/getpage/
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[homepage]: /templates/homepage/
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[mentalmodel]: https://webstyleguide.com/wsg3/3-information-architecture/3-site-structure.html
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[pagevars]: /variables/page/
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[partials]: /templates/partials/
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[RSS 2.0]: https://cyber.harvard.edu/rss/rss.html
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[rss]: /templates/rss/
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[sections]: /content-management/sections/
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[sectiontemps]: /templates/section-templates/
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[sitevars]: /variables/site/
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[taxlists]: /templates/taxonomy-templates/#taxonomy-list-templates
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[taxterms]: /templates/taxonomy-templates/#taxonomy-terms-templates
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[taxvars]: /variables/taxonomy/
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[views]: /templates/views/
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[`where`]: /functions/collections/where
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[`first`]: /functions/collections/first/
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[main sections]: /methods/site/mainsections
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[`time.Format`]: /functions/time/format
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