Structure used to define a blog:

• file: The blog source file (read-only).
• buffer: Buffer visiting the blog file (read-only).
• publish-dir: Where to publish the blog, defined by the #+PUBLISH_DIR: header directive or out in the same directory as the blog source file.
• template-dir: Location of the template directory defined by the #+TEMPLATE_DIR: header directive or the templates directory of the o-blog library.
• style-dir: Path of the css files defined by the #STYLE_DIR: header directive or style. This directory is relative to template-dir.
• posts-filter: Default filter for posts defined by the #POSTS_FILTER: header directive or +TODO={DONE}.
• static-filter: Default filter for static pages defined by the #STATIC_FILTER: header directive or +PAGES={.*}.
• snippet-filter Default filter for snippets defined by the #SNIPPET_FILTER: header directive or +SNIPPET={.*}.
• title: Blog title defined by the #+TITLE: header directive.
• description: Blog description defined by the #+DESCRIPTION: header directive.
• url: Blog base URL defined by the #+URL: header.
• default-category: Default category for posts defined by the #DEFAULT_CATEGORY: header or Blog.
• disqus: The Disqus account (called a forum on Disqus) this o-blog site belongs to. Defined by the #+DISQUS: header.
• filename-sanitizer: A 1-argument function to be used to sanitize post filenames. Defined by #+FILENAME_SANITIZER: or ob-sanitize-string.
• post-sorter: A 2-argument function to be used to sort the posts. Defined by #+POST_SORTER: or ob-sort-posts-by-date.

Example:

;; get the title of the current blog defined in variable BLOG.
(ob:blog-title BLOG)

• id: The post's numerical id. Posts are sort by reversed chronological order. The most recent post get the id 0.
• title: The post title, read from the entry title.
• timestamp: The post timestamp given by the CLOSED property or the current time.
• year: Numerical year computed from timestamp.
• month: Numerical month computed from timestamp.
• day: Numerical day computed from timestamp.
• category: Category read from CATEGORY property org blog.
• tags: List of ob:tags.
• template: Template to use for current post read from TEMPLATE property or blog_post.html.
• filepath: Relative path from the blog root directory to the post directory (directory only).
• filename: Sanitized filename generated from title.
• htmlfile: Full relative path to the post html file (file and directory).
• path-to-root: Relative path from the post html file to the blog root.
• content: Raw content of the post (Org-mode format).
• content-html: HTML export of the post.

Example:

;; Get the HTML content of the post defined in variable POST.
(ob:post-content-html POST)

Structure used to define a tag:

• name: The string defining the tag name.
• safe: Web/URL-safe tag name.
• count: How many times the tag is used across posts.
• size: The font size in percent.

Example:

;; get the name of the tag defined in variable TAG.
(ob:tags-name TAG)