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org-export can easily generate multiple versions of the same org data; an org-publish-workbook binds an export backend with an org-publish project, to help with the process of iteratively customizing output.

A workbook consists of an entry in org-publish-workbook -alist, a set of entries in org-publish-project-alist and an org-export-derived-backend.

As an example, the initial outline of publishing this project's consisted of the following setup.

 '(md                            ;; workbook derived from markdown exporter (ox-md.el)
   :filters-alist                ;; word wrap paragraphs, with hyphens
   ((:filter-paragraph (lambda (content backend info)
			   (insert content)
			   (modify-category-entry ?- ?|)
			   (set-fill-column 60)
			   (fill-region (point-min) (point-max) 'full t nil)
   :exclude ".*"
   :base-extension ".md"))

   :base-directory "~/workbook/lib"
   :include [""]
   :publishing-directory "~/workbook/lib/org-publish-workbook"
   :decorators ((:before-processing    ;; insert title as md export is body only
		 (lambda ()
		   (org-map-entries (lambda () (org-demote-subtree)) "LEVEL=1")
		   (insert "org-publish-workbook"))))))

adding a workbook

Workbooks are initialized with org-publish-workbook- add. This function adds an entry to org-publish-workbook- alist, based on the first argument, label.

The second argument, backend, can be either a symbol, or a list starting with a symbol and an alist of options. The symbol should reference an org-export backend; the provided options are used to create an org-export-derived- backend.

Publish project specific options :base-directory, :base- extension, :exclude, :publishing-directory, :template and :template-directory can be also be specified, to set the workbook's projects' default values.

The rest of the arguments are used to create projects with org-publish-workbook-add-project.

org-export backend

Each workbook creates a reusable (further extendable) derived backend based on the original exporter, for use with all of it's projects. For a list of options and settings, please see the doc string of org-export-define-derived- backend.

org-publish projects

When a project is added to a workbook, it is added to org- publish-project-alist labelled as [workbook-project].

When not set directly, options default to values set in each respective workbook, or their equivalent environment variables; root-directory is set to the Emacs server's initial working directory.

  • :template-directory; .etc/export-template
  • :output-directory; .var

Commonly used options are :include, :exclude and :recursive - the custom properties :template and :decorate create export hooks through output decorators.

output decorators

By adding decorators to a publishing project's export pipeline, the :final-output, or the contents of each buffer :before-processing, can be directly edited.

When editing the :final-output, the function supplied to workbook-decorate is called with contents and optional args. The function's output becomes the result of this export action.

:before-processing hooks are expanded within the context of each current-buffer, allowing for direct editing.

Each hook is activated during a project's :preparation- function, and deactivated in it's :completion-function.

template decorator

When a project's :template property is set, by default, a hook is run during publishing to insert or update the current buffer's #+SETUPFILE property before any processing takes place.

Alternately, the insert-template-fn variable can be updated to specify a function which will be called with the resolved path of the project's template file.


The org-publish-workbook-render function publishes a workbook's projects. Optional arguments are force, async and projects - to publish only the ones specified.


emacs -batch \
      -l ert \
      -l org-publish-workbook-tests.el \
      -f ert-run-tests-batch-and-exit


org export publish pipeline



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